( 785 )

SUBJECT INDEX

[Tho letter “ A ” following a pago number denotes a reference to the present volume of tho Journal dealing with abstracts, bibliography, book reviews, &e.]

Abrasion, Age-hardening of— resistance to, relation to hardness, 50, Steels, effect of magnetic treatmont, 50, 559/1. 660/1. study, 50, 243/1. Zinc-aluminium alloys of compn. Abrasion of— Al2Zn3, 50, 727/1, 728/1. Bearing alloys, 50, 253.-1. Air, susponded matter in, 48, 128, 137. Abrasives, Aircraft, carborundum, 50, 705.-1. all-metal, advantages of light metals, diamond, 50, 705/1. 50, 181.-1. fused alumina, adhesion of gluo, 50, bracing cables with different end- 705.4. connoctions, corrosion-resistance, 50, review, 50, 388/1. 742/1. U.S. labels, 50, 193.-1. deformation, optico-pliotographic mea­ Accounts, 48, 15. surement, 50, 753/i. Acetylene. See Welding. engines, selection of alloys for, 50, 693/1. Acids (seo also Corrosion and undor names floats. Duralumin, construction, 50, of acids), 254/1. action on metals, 50, 303/1. fuselages, Duralumin, construction, 50, dissolution of metals, 50, 27A ; periodic, 254/1 ; monocoque, bonding tests, 50, 83/1.; rate, 50, 357/1, 358/1. 50, 254A. Admiralty bronze. Seo Bronzes. materials, work of 1st Internat. Congress Admiralty gun-metal. Soo Gun-metal. on Aerial Safety, 50, 279/1. Adsorption of— metal-clad, 50, 764/1. Carbon monoxide by palladium, 50, 3.4. metal construction, book, 50, 405/1. Hydrogen by platinum metals, 50, metal-truss wing spars, 50, 138/1, 256.4. 530/1. parts, finishing, 50, 742/1; prodn. Aeron, dynamic strength properties, 50, from point of view of safety, 50, B00/1. 256.4 ; protection against corrosion, Aeroplanes. Seo Aircraft, 50, 234.4, 439/1; riveting, 50, 765.4. Aerostatics, problems, 50, 780/1. pistons, defects, 50, 496/1. Africa, manufacturing industries, book, spars. Duralumin, construction, 50, 50, 403/1. 254A. Age-hardening, structural members, dynamic testing, elementary description, 50, 007/1. 50, 753.4. precipitation, 50, 159.-1, 738.1 ; illustrated tubes, joining, 50, 696/1. by photomicrographs, 50, 727/1. welding. See Welding. recent work, 50, 12/1. Alclad, theory, reviow, 50, 159/1. corrosion, 49, 147. x-ray study, 50, 727/1. description, 49, 145; 50, 180/1. Age-hardening of— sheets, curved, Btrength in shoer, 50, Aluminium alloys, 50, 485.4 ; influence 728.4. of stretching after quenching, 50, 10/1, use in motal-elad airships, 50, 103/1. 728A ; of high purity, 48, 197 (P a p er); Aldrey, recent progress, 50, 1/1; X-ray study, endurance bending strength of hard- 50, 727/1. drawn wires, 50, 289/1. Britannia metal, X -ray study, 50, 727/1. free-transmission cables, influonco of Cobalt-tungstsn alloys, 50, 001.4. corona phenomena, 50, 102/1. Duralumin, 48, 200; 50, 347.4; at tensile properties of rods at low temps., room temp., X-ray study, 50, 362.4 ; 50, 431/1. oftect of cold-rolling, 50, 424/1 ; transmission lines, 50, 687/1 ; overhead, effect of magnetic treatment, 50, suitability, 50, 320/1; tensile pro- 000/1; effect of stretching after porties of wires, 50, 657.4 ; with quenching, 50, 10A, 728/1. tension up to 60,000 v., data, 50, Gold-platinum alloys by small oddns. 088/1. of iron, 50, 77/1. wire, bending capacity, 50, 431/1; Nickel alloys, 50, 35 M . elect, conductivity, effect of mecb. VOL. L. 4 d 786 Subject Index

Aldrey, Alloys, and thermal treatment, 50, 294-4 ; electromotive force, variations, in forma­ tensile strength, effect of mech. and tion by wot method, 50, 4944. thermal treatment, 50, 294/1 ; trans­ electron-emitting, 50, 79/1. mission, tonsile properties, 50, 057/1; equilibrium diagrams. Sco Equilibrium use for transmission linos, 50, 375/1. diagrams. Al-Dur-Bra (see also Aluminium-brass), eutectic. Sco E utectics. 50, 350/1. ferromagnetic, book, 50, 5264. composition, 50, 152/1. for electric furnace, report of A.S.T.M. Alfol, 50, 319/1, 454/1, 0394, 6884, 689/1. ctteo., 50, 3234. Alitieren process, 50, 2344. for electrical heating elements, report Alkali metal amalgams, liquid, elect, of A.S.T.M. cttee., 50, 323/1, 6934. conductivity, 50, 733/1. for electrical resistances, A.S.T.M. ten­ Alkali metals (seo also under names of tative mothod of test for detg. temp, alkali metals), resistanco const., 50, 91/1, 3134; films, on silver, photoolect. effect, 50, for high temp, service, 50, 6064; 214/1; vectorial photoolect. effect, report of A.S.T.M. ctteo., 50, 3234, 50, 214/1. 6934. physical properties, 50, 214/1. fusible. Seo Fusible alloys. reaction products on graphite, structure, heat-resistant. Seo Heat-resistant 50, 616/1. materials. Alkaline earth metals. Seo under names hard, for drilling, investigation, 50, of alkaline earth metals. 7344 ; for drilling, prodn., 50, 7354 ; Alkalis, periodic dissoln. of metals, 50, manuf. and appns., book, 50, 5274. 83/1. improvement of properties and treat­ Allautal, ment, progress, 50, 348/1. forming, 50, 3484. intermetallic compounds. Seo Inter- joining, 50, 3484. metallic compounds. machining, 50, 3484. intermetallic phases, structure analogies, mechanical properties, 50, 3484. 50, 4774. properties, 50, 3484. Japanese, artificial corrosion, 50, 7684. Allegheny metal, light. See Aluminium alloys, and under corrosion by iodine, 50, 3034 ; by milk, names of the light alloys, &c. 50, 3024. low-temperature treatment, 50, 3534. Al-lite, 50, 1824. magnetic, book, 50, 6514. Allotropy of— magnetic moments, method of dis­ Beryllium, 49, 386. cussion, 50, 665/1. Cobalt, 50, 2104, 6154. mixed phases, theory, 50, 384. Lead, 50, 2114 , 3394. overvoltage, hydrogen, 50, 4954. Thallium, 50, 6154. patentability, 50, 2774. Tin (white), 50, 2134. resistance limits, dependence on crystal- Alloys (see also Eutectics, Solid solutions, lographic orientation, 50, 6074; Bearing alleys. Brass, Bronze, Qun- existence in solid solns. with irregular metal, Solders, &c., undor trade atomic distribution, 50, 6074. names and under names of individual segregate structures, theory of form­ metals), ation, 50, 4784. analysis. See A nalysis. solid solubility, is a change a liability binary, interatomic forces, quant, or an assot ?, 50, 5434. dotn. from thermodynamic data, 50, solid solution. See Solid solutions. 737/1 ; thermodynamic activities, 50, superconductivity, 50, 6074. 543/1; with continuous ranges of ternary, electrolysis, 50, 804. solid solns., phase equilibria, 50, 3534. thermal changes, rapid mothod of in­ cable sheath, telephone, fatigue, pamph- vestigation, 50, 2284. lot, 50, 5274. ultra-light. Seo Dowmetal, Elektron, cast, macrostructure, offect of turbulenco Magnesium alloys, &c. due to gases, 50, 3524. Alpaka, 50, 7804. castability, 50, 3294, 708/1. treatment, 50, 1204. cathodic disintegration, 50, 3544. Alpax (Silumin) (seo also A lu m in ium - chemistry, 50, 3524, 5524, 7364. silicon alloys, &c.), constitution, X-ray study, 50, 364. action of superheated steam, 48,-187. containing transition elements, crystal casting, 50, 3304. structuro and atomic proj>erties, 50, castings, porosity, 50, 607/1. 745/1. “ catalogue,” 50, 7274. coring, 50, 1594, 4324. chemical properties, 50, 2234, 5674. corrosion. See Corrosion. chromium-plating, 50, 4494. corrosion-resistant. Seo Corrosion- corrosion, 50, 4794 ; by acid and al­ resistant materials. kaline solns., 50, 24/1; protective deposition. See Deposition. action of sodium silicato, 50, 4334 ; dilatometric analysis, 50, 5424. tables of rate of attack, 50, 2944. electrolysis of molten and solid, 50, 6654. corrosion-fatigue, 50, 424. Subject Index 787

Alpax (Silumin), Aluminium, corrosion-resistance, effect of copper, brewery vessels, 50, 56 64; corrosion, 50, 3474. 50, 2 7 4 ; corrosion by electric density, effect of copper, 50, 3474. currents, 50, 2284; corrosion of effect of copper, 50, 3474. armatures on, 50, 4794 ; in Germany, elastic properties, offect of temp., 48, 255. 50, 2534 ; insulation and embedding, endurance, 50, 285/1. 50, 2534; protection by Eloxal hardness, effect of copper, 50, 3474; process, 50, 6694. offect of porosity, 50, 6074. busbars, pamphlet, 50, 7 8 1 4 ; resist­ machining, 50, 5754. ance to power arcs, 50, 4964. mechanical properties, 50, 5674. cables, manuf., 50, 5034. physical properties, 50, 2234. cadmium-plating for protection, 50, properties, 50, 2944. 6694. sawing, 50, 1184. cans for foodstuffs, soldering, 50, 3204 ; tensile properties, offect of copper, 50, for packing fish, &c., 50, 6854. 3474. castability, 50, 3294, 3894. uses, 50, 2944, 5 6 7 4 ; in mines, 50, casting, avoidance of porosity, 50, 5664 ; in shipbuilding, 50, 3754. 5074 ; of roiling billets, 50, 5804 ; workshop practice, recommendations, of shoo lasts, 50, 3304 ; of strip for 50, 2234. rolling, 50, 1954; precautions, 50, Alsimin, 50* 7614. 5074 ; removal of gasos, 50, 5074. Alufont, castings, manuf., 50, 77 1 4 ; radiology, endurance, 50, 2854. 50, 6274. sand-castings, stress-olongation, stress- cathodic sputtering in helium, 50, 6574. bending, and stress-slip diagr., 50, characteristic frequency, 50, 714. 7264 ; vibration strength, 50, 7264. chemical properties, 50, 2894. use in elect, railway engines, 50, 1044. chromium-plating, 50, 964, 1774, Alulot, 50, 2574. 4494, 5634, 6814; Perma-Chrome Alumaweld, 50, 3834, 6954. process, 50, 4924. Alumbro (see also Aluminium~brass)t coatings for protection of iron against condenser tubes, 50, 3774. oxidation at high temps., 50, 5514. Alumilite process, 50, 2624, 5514. cold-rolling, preferred orientation pro­ Alumina, duced by, 50, 1644. electrolysis, appn. of chiolite, 50, 3174. cold-working, offect on phys. properties, pamphlet, 50, 4594. 50, 3374. Aluminium, collapsible tubes, corrosion by soap, absorption of hydrogen, 50, 7214. inhibition, 50, 5504. absorption of nitrogen, 50, 7214. coloured finishes, 50, 844. action of beer, 50, 6094. colouring, 50, 1204, 2624 , 3604; action of coffee, 50, 7404. Alumilite process, 50, 2 6 2 4 ; by action of inorganic and organic sub­ plating, dyeing, and oxidizing, 50, stances used in chem. and food in­ 5774 ; Metso, 50, 7064 ; of foils, 50, dustries, 50, 824. 1924 ; Sheppard process, 50, 5774. action of natural gas, 50, 1024. compression fluidity, 48, 48, 56. action of oil, 50, 1024. conductors, causes of unsatisfactory action of superheated steam, 48, 187. operation and corrosion, 50, 3204; action of tea, 50, 7404. steel-corod, seo Aluminiutn, steel- analysis, standard methods (Al. Res. cored conductors. Inst.), 50, 7494, 7814. cooking utensils, effect of foods,

Aluminium, Aluminium, 741/1 ; of brewery vessels, 50, 274, films, photoeloct. properties, 50, 454/1. 066.4 ; of brewery vossols by electric fluidity, pressure of, 48, 53. currents, 50, 2284 ; of brewery fluxes, 50, 263/1. vessels, detection and measurement foil, Alfol, 50, 319.1, 454.4, 639.1, 688/1, of elect, curronts, 50, 666/1 ; of 689/1 ; as covering for hard paper or collapsible tubes by soap, inhibition, pasteboard milk bottles, 50, 689.4; 50, 550/1 ; of kettles by linseed oil, as packing material, 50, 496/1; 50, 82.4 ; of oil-lease tanks, 50, 300/1 ; colouring, 50, 192.4 ; compared with protective action of sodium silicate, lead and tin, 50, 3194 ; for cheoso 50, 432/1, 433/1. wrapping, relative advantages of tin corrosion-fatigue, 50, 300/1. and, 50, 666/1; for clieeso wrapping, corrosion-resistance, methods of detn., requirements, 50, 373/1 ; for packing, 50, 24/1 ; in oil industry, 50, 434-4. 50, 254.4 ; hard soldering, 50, 324/1; crankcases, machining, 50, 575/1. tape, uso on rubbor-insulatod wires, crystals, plasticity, dependence on temp., 50, 319/1; thermal insulating proper­ 50, 529/1. ties, 50, 209-4 ; thermal insulation by deep-drawing, 50, 56/1, 574/1. means of, 50, 182/1, 319-4, 454.4, deformation process, relation to re- 639/1 (see also A lfo l) ; uses, 50, 319/1; crystn. process, 50, 614/1. uses for oil tank roofing, 50, 373/4. deformation structures, 48, 332. forgings, radiology, 50, 627/1. degassiflcation, 49, 301. forming, 50, 503/1, 574A. deoxidation, 50, 194-4, 708/1. foundry data, book, 50, 333/1. deposition, electro-, 50, 234-4, 246/1, free-transmission cables, influence of 305/1 ; on iron, 50, 234/1. corona phenomena, 50, 102/1. deposits, resistanco to corrosion and furniture, 50, 3204, 688/1. high temps., 50, 305-4. gases in, detection, 50, 209/1, 417/1, detection, Dy Aluminon, 50, 309/1 ; 657/1; romoval, 50, 209/1, 417/1, qual., 50, 618/1. 657.4. die-casting utensil spouts by slush hammering, 50, 574/1. process, 50, 123/1. hardening by hammering, 50, 110/1. die-castings, design, 50, 774/1 ; proper­ hardness, chango caused by bending, ties, 50, 6864. 50, 659/1; effect of rolling, 50, 69/1 ; dissolution by acids, book, 50, 283/1. increaso by heavy cold-working, 48, electrical conductivity, 50, 10/1, 425/1 ; 52. effect of iron, 50, 66/1 ; effect of heat radiation, increaso by surface vanadium, 50, 472/1 ; increase by treatment, 50, 593/4. thermal treatment, 50, 654 ; of heat-transfer to, in annealing furnaces, conductors, effect of annealing, 50, 50, 456/1. 65/4 ; of wire, effect of moch. and heat-treatment, 50, 382/1, 6 9 4 4 ; book, thermal treatment, 50, 294/1, 417/1. 50, 653/1 (review); by immersion electrical resistance, change undor hydro­ process, 50, 382/1, 499/1. static pressure, 50, 422/1 ; effect of hose-pipe, flexible, 50, 454/1. cold-work, 50, 337/4. hot-water bottles, prodn., 50, 574A. electrolytic oxidation, Eloxal process, indentation fluidity, 48, 49. 50, 30.4, 567/1. industry, Canadian, 50, 276A ; German, electrolytic production, 50, 246-4, 317-4, laboratories, 50, 519/1, 635/1. ingots for rolling, pouring practice, electrothermic preparation, 50, 761/1. 50, 194/1. embossing, 50, 574/1. inks, 50, 454A ; manuf., 50, 689/1. endurance bending strength of hard- interaction of water vapour and, 48, 187 drawn wires, 50, 289/1, 657-4. (P aper). Erichsen value, effect of rolling, 50, international competition, abstracts of 69/1. entries, pamphlet, 50, 333/1 ; for estimation, formation of lithium development of use, results for 1931, aluminate, 50, 240/1 ; gravimetric, 50, 453/1. by cyanate method, 50, 88/1 ; vol., Italian, properties, 50, 593/1. 50, 2404. kiln doors for timber drying, 50, 688.4. estimation of silicon, 50, 443.4, 554/1, lacquering, 50, 263/1. 555/1. lattice parameters, 50, 362/1. estimation of sodium, 50, 675.1, 676/1 ; Lorenz number, 50, 10.4. spectrographic, 50, 676.4. machining, 50, 5754; of crankcases, etching reagents, 50, 679/1. 50, 5754; of cylinder blocks and exhibition at Milan, 50, 638.4. gear boxes, 50, 3884, 704.4; with extraction from clays of Bobrikow Beds tungsten carbide tools, 50, 576/1. (U.S.S.R.), book, 50, 651.1. mechanical properties, effect of strain- extrusion, 50, 703.1 ; of electrolytic hardening, 50, 3374. conductors, 50, 703.1. melting, comparison of graphite and fatigue, 50, 530-4. cast-iron crucibles, 50, 5064 ; fluxes, fatigue strength, increasing, 50, 216/1. 50, 2634; in elect, furnace, data, Subject Index 789

Aluminium, Aluminium, 50, 12 44; of scrap, soo Alum inium , riveting, countersunk, 50, 3834. remelting ; precautions, 50, 5074. rivets, manuf., difficulties because of melting furnaces, oloct., 50, 1974, 3924, largo grain-size, 50, 4394. 3934 ; stationary-hoarth, 50, 7764. rolling, adjustment of rolls by hand metallurgy, development in past 10 polishing, 50, 1904 ; offect on Erich - years, 50, 2764. son valuo and liardnoss, 50, 6 9 4 ; milling of cylinder block, 50, 7044. finish-, of slieot, 50, 7 0 1 4 ; hot-, mineral resources of U.S.A., 50, 1354. metal lubrication and roll cooling, nickel-plating, 50, 474, 2484, 2624, 50, 1904, 3274 ; hot broak-down 4504, 5654, 6334, 7594. operation, 50, 554; hot-mills for oxide films, interference colours, in­ sheet, 50, 1174 ; of sheet, 50, 3864 ; tensification, 50, 3574. planning mill practice, 50, 1904. oxides in, detection and removal, 50, rolling mills, dressing of rolls by hand 2094, 4174, 6574. grinding, 50, 3274. paint, advantages, appn. and properties, rolling texture, relation to deep drawing 50, 3744 ; choice of binder, 50, 1824 ; properties and hardness, 50, 694. experiments in Italian Navy, 50, roofing, 50, 6394, 6884. 6894 ; for protection of piping in sampling, standard mothods (Al, Res. collieries, 50, 6894 ; manuf., 50, 1824, Inst.), 50, 7494, 7814. 6404 , 6894; “ Permito Resalum,” sawing, 50, 1184. 50, 6894 ; primers, 50, 6894 ; radia­ scrap and waste, sampling, 50, 6184 ; tion coeff., 50, 3194; reflecting book, 50, 634 (review ); recovery, power, 50, 2094 ; use on creosoted 50, 19 54; remelting, 50, 2634, wood, 50, 1034 ; uses, 50, 1824, 2644. 6404 ; with liquid rubber vehicle, screw caps for bottles, 50, 374/1. 50, 3744. screw machine products, 50, 3204, permeability to X-rays, 50, 6804. seals for bottles, 50, 3744. petrol transport tanks, 50, 3734. secondary, book, 50, 634 (review). photoelectric properties of films, 50,4544. sections in architecture, booklet, 50, physical properties, 50, 2894 ; effect 5254. of cold-work, 50, 3374. separation from manganese and zinc, pickling soins., 50, 6794. 50, 884 ; of beryllium by guanidine pirns for textile purposes, 50, 3194. carbonate, 50, 4414. pistons. See Aluminium alloys. sheet, as packing material, 50, 4964 ; plating on, 50, 844 , 4514 , 4934, 7604 ; finish rolling, 50, 7014 ; forming, 50, from cyanide soins., 50, 2494. 7034 ; preferred orientation produced polishing, 50, 5784. by cold-rolling, 50, 1644 ; prodn., pouring of ingots for rolling, 50, 1944. hot broak-down operation, 50, 554 ; powdered and granulated, booklot, 50, radiation cooff., 50, 3194 ; rocrystn., 4574. 50, 5294 ; rolling, 50, 3864 ; welding, pressing, 50, 5744. 50, 1114. protection, 50, 294, 3604 ; against sea­ shoe lasts, moulding and casting, 50, water, 50, 3044 ; by anodic oxidation, 3304. 50, 2344, 3054, 3594, 4814, 5514, single-crystals, behaviour under alternat­ 6694 ; Eloxal method, 50, 304, 5674 ; ing torsional stresses in slow stream of from oxidation, 50, 3604 ; Jirotka tap-water, 50, 3004 ; (bent wires), process, 50,1784 ; M.B.V. process, 50, retardation of recrystallization power 4384, 4814, 7424. by bending back, 50, 14 ; compressed protective coatings, colouring, 50, 844, plates, arrangement of micro-crystals, 1924. 50, 3074, 6154 ; preparation, 50, protective films, electrolytic production, 14; rocrystn., 50, 6144; sclcro- 50, 294. metric hardness, decrease due to recrystallization of sheet, 50, 5294. adsorption of active substances at recrystallization texture, relation to de­ surface of contact, 50, 54. formation process, 50, 6144. soldering, 50, 2574, 69 54; with Alulot rectifying cell, characteristic curves, 50, solders, 50, 2574. 664. spinning, 50, 5744. refining, eloctro-, 50, 4514. spraying, appns., 50, 2354. reflectors for minors’ electric cap lamps, steel-cored conductors, 50, 3754 ; book, 50, 6864. 50, 3334 ; in Italy, 50, 6874 , 6884 : remelting, fluxes, 50, 2634 ; of scrap suitability, 50, 3204 ; used in 132,000 and waste, 50, 2644 ; of turnings, v. line of St. John River Power Co., 50, 2634. Grand Falls to Dalhousie, N.B., 50, research, practical effects, 50, 2244 ; 1814. programme of Aluminum Co. of steel versus, 50, 6014. America, 50, 2764. strain-hardening, effect on mech. pro­ rigidity, modulus, change duo to cold- perties, 50, 3374. working, 50, 2164 ; temp, coeff., 50, strip for rolling, casting, 50, 1954, 824, 1584. surface-treatment, 50, 844. 790 Subject Index

Aluminium, Aluminium, tank cars for liquid fuel, 50, 254/1. 50, 7634 ; in truck bodies, 50, 7634 ; 319/1; for rail and road transport, 50, in wireless apparatus construction, 50, 453/1. 3734, 5674, 6874. tanks for storage and transport of varnish plant, 50, 254/1. liquid foodstuffs, 50, 496/1. washing machines and ironers, mould­ tapping, 50, 118/1, 7044. ing, 50, 1254. tensile properties, effect of iron, 50, 664 ; welding, 50, 500/1, 6964 ; autogonous, of conductors, effect of annoaling, 50, 50, 534, 2574; elect., 50, 5 0 1 4 ; 654 ; of rods at low temps., 50, 4314 ; elect., recommonded practice of Alu­ of transmission cables, cffect of short minum Co. of America, 50, 1864 ; circuit currents, 50, 654 ; of wire, electric, with carbon eloctrodes, 50, effect of moch. and thormal treatment, 3 2 6 4 ; elect, arc, 50, 500/1, 6964, 50, 2944, 4174. 7 6 5 4 ; elect, resistance, 50, 1 1 1 4 ; thermal conductivity, 50, 104, 425/1; fluxes, 50, 3 24 4 ; fluxes, compn., at high temps., 50, 44. properties and appn., 50, 1864 ; thermal expansion, effoct of added gas-fusion, 50, 1 1 1 4 ; in U.S.A., elements, 50, 764. 50, 54/1 ; of aeroplane tanks, oxy- thermal insulating properties, 50, 209/1 acetyleno, 50, 1 1 2 4 ; of aluminium- (see also Aluminium foil). lined vossels, 50, 5 0 0 4 ; of brewery Thermit mixture in briquetto form, 50, plant, oxy-acetyleno, 50, 697/1 ; of 1034 , 4544. furniture, 50, 6 974 ; of jugs, oxy- toxicity, 50, 453/1, 566/1, 762/1 ; biblio­ acetylono, 50, 5 0 0 4 ; of oil stomgo graphy, 50, 2764 ; critical examina­ tanks and apparatus, 50, 1 8 6 4 ; tion of evidenco, 50, 7624, 7814; of pipes, 50, 383/1 ; of roofing gutters, review of literature, 50, 276/1. &c., 50, 5 0 0 /1 ; of sheet, 50, 1 1 1 4 ; transmission lines in Italy, 50, 6884 ; of sheet by carbon arc, 50, 5004 ; overhead, causes of unsatisfactory of tank trucks, 50, 500/1, 7654 ; operation and corrosion, 50, 3204; oxy-acetyleno, 50, 1114 ; oxy- overhead# suitability, 50, 3204 ; acetyleno, practical hints, 50, 1874 ; tensile properties, 50, 657/1 ; tensile ropairs by, 50, 7 66 4 ; spot-, 50, 7654. strength, effect of short circuit welds, corrosion-resistance and strength, currents, 50, 654 ; with tension up 50, 111/1. to 60,000 w , data, 50, 6884. wire, arrangement of micro-crystals, tubes, bending, 50, 7034 ; Progas, 50, effect of direction of drawing, 50, 6854. 7014 ; bending capacity, 50, 4314 ; turnings, romelting, 50, 2634. elastic oxtension under longitudina uses, 50, 5664, 6854, 762/1; for in­ stress, 50, 70/1 ; elect, conductivity, sertion in beer syphons, suitability, effect of mech. and thermal treat­ 50, 5664 ; for large indust, vessels, ment, 50, 2944, 4174 ; insulated, 50, 2544 ; for oil-Ioaso tanks, field use in elect, transmission, 50, 688/1 ; tests, 50, 6864 ; for oil-loase tanks : largo grain-size, 50, 4394 ; tensile lab. tests, 50, 1384 , 3004; for oil properties, effoct of mech. and tanks, 50, 1024; for Swiss postal hand­ thermal treatment, 50, 2944 , 4174 ; carts, 50, 1794 ; in aircraft, 50, 51/1 ; tension-olongation diagr. betwoen 20° in Amer. automobile industry, 50, and 300° C., 50, 6004 ; vibration 3194; in architecture, 50, 1024, strength between 20° and 300° C., 50, 320/1, 6394, 688/1; in automobiles, 6004. 50, 10 24; 3 7 4 4 ; in brewory, 50, wire mesh, uses, 50, 3194. 566/1 ; in chcm. apparatus, 50, 824, work racks, 50, 4544. 834 ; in chem. industry, 50, 300/1; zinc-plating, for protection, 50, 669/1. in construction of strong current Aluminium alloys (see also Alclad, Aldrey, condensers, 50, 1024; in elect, in­ Allautal, A lp a x , Alufont, Anticorodul, dustry, 50, 1024, 1814, 638/1 ; in Avialile, Avional, Birmabright, B ohn- jewellery, 50, 4544; in leather alite, Chlumin, Coiutructal, Duralite, industry, 50, 3734, 6854; in marine Duralplat, Duralumin, Eutectal, H ibbo, construction, 50, 180/1; in motor­ Hiduminium, Koltchougalumin, K.S.- cycle industry, 50, 3744; in oil Seeicasser, Lautal, Lo-Ex, MVC, industry, 50, 3204 ; in rail and tram Nierai, Silberit, Silumin, Skleroti, cars and omnibuses, 50, 4964; in Telektal, Ultralumin, and under names railway rolling stock, 50, 319/1; in of constituent motals), rayon industry, 50, 7634 ; in rubber age-hardenable, reviow of developments, industry, painphlot, 50, 280/1 ; in 50, 7274. shopfitting, booklot, 50, 457/1 ; in age-hardening, 50, 4854 ; influonce of switchgear, 50, 3204 ; in textile stretching after quenching, 50, 104, machines and equipment, 50, 6854 ; 7284 ; of high-purity, 48, 197 (P a p er); interna t. competition for develop­ recont progress, 50, 14 ; X-ray study, ment, results for 1931, 50, 453/1 ; 50, 7274. in tramway rolling stock, 50, 3194, aircraft monocoque fuselage construc­ 374-4; in transportation industry, tion, bonding tests, 50, 2544. Subject Index 791

Aluminium alloys, Aluminium alloys, aluminium-coating of sheet, 50, 4724. fications, 50, 1034, 32 14; prepn. aluminium pigmented surface coatings, for plating, 50, 484 ; properties, 50, advantages of oxido films as bases, 6864. 50, 1334, 2304, 4814. die-pressing, 50, 4964. analysis, standard methods (Al. Res. dissolution by acids, book, 50, 2834. Inst.), 50, 7494, 7814. drawing, 50, 4964. annealing, book, 50, 6534 (review). drawing properties, 50, 2944. anodic oxidation, 50, 1624, 2344 ; drilling, small diam. drills, 50, 2604. review of literature, 50, 6694. drop-forging, 50, 574-4. A.P. 33, properties, 50, 4254. D.V.L. researches on, 50, 3484. as bearings, 50, 6854. effect of antimony, 50, 6614. AW 15, properties, 50, 3464. effect of titanium, 49, 310. bending, 50, 5744, 5754. electrical conductivity of wire, effect of blanking properties, 50, 2944. mech. and thermal treatment, 50, book, 50, 5264. 2944 , 4174. cast, proposed revisions of A.S.T.M. ten­ embossing, 50, 5744. tative standards, 50, 3214 ; report endurance, book, 50, 2854 (review). of A.S.T.M. etteo., 50, 3214, 4954. estimation of silicon, 50, 4434 , 5544, castability, 50, 3894. 5554. casting, 50, 1024, 1244, 294/1 ; effect etching reagents, 50, 6794. of pouring temp., method of cooling extruded bars, phys. properties, in­ and dissolved gas, 50, 1954 , 5804 ; fluence of crystal size, 50, 1104. of mincing machines in chill moulds, extrusion, 50, 4964. 50, 3304 ; of pistons, 50, 1254 ; factors of safety, 50, 2244. of pots and kettles, 50, 1254 ; re­ fatigue, 50, 5304 ; offect of heat-treat­ commended foundry practice, 50, ment, 50, 1104. 3304. for casting, recent progress, 50, 14. Castings, decorative, patterns and for die-casting, effect of compn., 50, moulds, 50, 1284 ; heat-treatment, 3234. 50, 2244 ; manuf., 50, 7714 ; radio­ for forging, mech. properties, 50, 601/1. logy, 50, 6274. for I.C.E. cylinders, tests, 50, 7264. cementation, 50, 1624. for rolling, developments, 50, 4724; centrifugal blower casings, manuf., 50, mech. properties, 50, 6014. 1254. for sand-casting, compns., 50, 1244, chain hoist, 50, 1824. 3304 ; properties, 50, 1244 , 3304. chill-castings, high-quality, prepared forging, 50, 1104, 1924; furnaces and from secondary or virgin metals, hammers for, 50, 703/1. properties, 50, 5064. forgings, radiology, 50, 6274. chromium-plating, 50, 454, 1774 , 4494. 43, in architecture, 50, 568/1. coinage, 50, 5344. 4S, moch. properties, 50, 5364. colouring, 50, 1204, forming, 50, 503/1. compositions, 50, 2944. forming properties, 50, 2 9 4 4 ; effect of corrosion, 50, 2294, 4794 ; accelerated heat-treatment, 50, 3824. tests, 50, 3544 ; atmospheric, 50, friction resistance, at various temps., 1604 ; by hydrogon peroxide soins., 50, 7264. 50, 4334 ; by potential differences, furniture, 50, 1044. prevention, 50, 3574 ; by sea-water, gases in, detection, 50, 2094, 4174, 50, 1604 ; effect of contact with 6574; removal, 50, 2094, 4174, other metals, 50, 2294 ; influence of 6574 ; removal by mixtures of nitro­ internal stress, 48, 184; test mothods gen and volatile chlorides, 49, 301 adopted by members of Aluminium {Paper). Association, 50, 824. grinding, 50, 1214, 707/1; of pistons, corrosion-fatigue, influence of chem. 50, 5794. compn. and heat-treatment on resist­ hammering, 50, 5744. ance to, 49, 38. hardness, at various temps., 50, 72 64; corrosion-resistance, offect of heat- effect of heat-treatment, 50, 1104. treatment, 50, 3044 ; in oil industry, heat-treatable, properties, 50, 6004. 50, 4344 ; methods of detn., 50, 24A, heat-treatment, 50, 1104 , 3824 , 6944; 4334. book, 50, 6534 (review) ; changes corrosion-resistant, 50, 2224, 3464. due to, dilatometric study, 50, 348/1; cranes, 50, 1814, 2554. effect on forming properties, 50, 3824 ; cutting, 50, 4964. of aircraft parts, 50, 3824, 4994. cylinder heads, aircraft, 50, 3744. hopper-car bodies, 50, 5664. deep-drawing, 50, 5744. impact strength, notched-bar, 50, 348/1. density, influonce of treatment with international competition for develop­ nitrogen and volatile chlorides, 49, ment of use, results for 1931, 50, 4534. 303. LIV. See Lautal. development, future, 50, 4964. 2L5, density, influence of treatment with die-castings, A.S.T.M. tentative speci- nitrogen and volatile chlorides, 49, 792 Subject Index

Aluminium alloys, Aluminium alloys, .303; tensile properties, influonco of protective coatings, colouring, 50, 1924 ; treatment with mixtures of nitrogon evaluation, 50, 3044. and volatile chlorides, 49, 305. radiology, 50, 6274. ladders, 50, 2544. research, practical effects, 50, 2244. low-temperature tests, 50, 0604. rolling, 50, 1024, 4964 ; adjustment machining, 50, 4964, 5754 ; of pistons, of rolls by hand polishing, 50, 1904 ; 50, 3884 ; with tungsten carbide tools, hot-, metal lubrication and roll 50, 5704 cooling, 50, 1904, 3274. mechanical properties, 50, 2944, 4964 ; rolling mills of Aluminium Industrio at elevated temps., 50, 5344 ; criteria A .G., 50, 3274. for their appn., 50, 3484 ; effect of roofing, 50, 6884. strain-hardening, 50, 3374. RR, mech. properties, 50, 5354 ; phys. melting, 50, 1244, 1954; comparison properties, 50, 5354 ; properties, 50, of graphito and cast-iron crucibles, 3484 ; uses in T.C. enginos, 50, 5354. 50, 5064; in elect, furnace, data, R.R.50 alloy, 50, 774 ; heat-treatment, 50, 1244. 50, 2244 ; prodn. methods, 50, 3894 ; metallography, 50, 4854. use in automobilo crankcases, metallurgy, book, 50, 1414 (review). cylinder jackets and hoads, 50, 5324. MG 7, properties, 50, 764, 2234, 2944, R.R.53, heat-treatment, 50, 2244. 6614. R.R.66, properties, 50, 6614. micrographic characteristics, 50, 4854. rubber coating as protection against mincing machines, manuf., 50, 3304. corrosion, 50, 3614. new, 50, 1514. sampling, standard methods (Al. Res. nickel-plating, 50, 474. Inst.), 50, 7494. notch toughness, offect of temp., 50, sand-castings, stross-elongation, stress- 4244. bending, and stress-slip diagr., 50, No. 12, effect of temp, on pliys. and 7264 ; vibration strength, 50, 7264. casting properties, 50, 4244. sheet, screw threads in, shearing No. 132. See L o-E x. strengths, 50, 7034 ; tensile testing, occlusion of gas, influence of molting effect of length of test-piece, 50, conditions, 50, 7714. 3484. oxide in, dotection and romoval, 50, spinning, 50, 5744. 2094, 4174, 6574. sprayed coatings on, 50, 1624. painting, 50, 1624. stamping, 50, 1924, 5744. paints for aircraft structures, investiga- strain-hardening, effect on mech. pro­ tion, 50, 4844. perties, 50, 3374. permanent mould casting, 50, 7714. strength, effect of heat-troatmont, 50, physical properties, effect of hoat-troat- 1104. ment, 50, 1104. stress-corrosion cracks, 50, 7384. pickling solns., 50, 6794. structural, 50, 4964. pigmented surface coatings, advantages surface coatings for protection, 50, 1624. of oxide films as bases, 50, 2364. tanks for rail and road transport, 50, pistons, advantages, 50, 4534 ; aero­ 4534. engine, 50, 3744; aero-engine, de­ tensile properties, influence of treat­ fects, 50, 4964 ; aero-engine, rolling ment with mixtures of nitrogen and grooves, 50, 2594, 7044; casting, volatile chlorides, 49, 305 ; of wire, 50, 1254, 7714; comparative in­ offect of mech. and thermal treat­ vestigations, 50, 4724 ; development, ment, 50, 2944, 4174. 50, 1814 ; evolution, 50, 1814 ; for tensile testing of thin sheet, influence of Diesel motors, advantages and dis­ shape of test spocimen, 50, 6794. advantages, 50, 3204, 6384 ; grind­ thermal conductivity, 50, 72 6 4 . ing, 50, 5794 ; lubrication, 50, 6384 ; thermal expansion, 50, 764, 7264. relative wear of cast-iron and, 50, transmission lines, high-voltage, operat­ 5324 ; requirements, 50, 4534. ing data, 50, 6 38 4 ; influonco of plating, 50, 1624, 7604. corona phenomena, 50, 1024 ; with pots and kettles, casting, 50, 1254. tension up to 60,000 v., data, 50, 688 4 . precipitation-hardening illustrated by tubes for aeroplane fuel supply, 50, 3 7 4 4 . photomicrographs, 50, 7274. uses, 50, 566 4 ; in aero motors, 50, pressing, 50, 5744. 1044, 5674 ; in aircraft construction, progress, 50, 4004. 50, 1814 , 4 5 3 4 , 6864 , 6 8 7 4 ; in properties, 50, 2944, 3484. architecture, 50, 1804 ; in Breda protection, 50, 294, 1624 , 2344 , 3044, monoplane, 50, 6 38 4 ; in chain hoist, 3054 , 6694; by anodic oxidation, 50, 1824 ; in chom. apparatus, 50, 50, 2344, 3054 ; Cilum process, 50, 8 2 4 ; in elect, industry, 50, 6384 ; 1624 ; Eloxal method, 50, 30*4 ; in oloct. railway engines, 50, 1044 ; Jirotka process, 50, 1784; M.B.V. in furniture, 50, 1044 ; in house process, 50, 4384, 4814, 7424. interior decoration, 50, 1804 ; in Schoop metal spray process, 50, leather-dressing and skin-drying fac­ 7424 ; Vodal process, 50, 1624, tories, 50, 6854 ; in machino tools, Subject Index 793

Aluminium alloys, Aluminium-“ bronzes ” (soe also Copper- 50, 375/1 ; in marine construction, aluminium alloys), 50, 1804 ; in mines, 50, 5664 ; bearings, friction and abrasion, 50, in modorn construction, 50, 4 90 4 ; 2534. in motor boats, 50, 454 4 ; in motor­ cast, theory of shrinkage, 50, 134. cycle industry, 50, 3744, 7634 ; in casting, 50, 1254, 6024 ; precautions, omnibus construction, 50, 3194, 3744 ; 50, 2644. in rail and tram cars and omnibuses, centrifugal casting, 50, 2674. 50, 4 9 6 4 ; in railway rolling stock, coinage, 50, 5344. 50, 1794, 1804, 3194, 5674, 7634 ; in corrosion-resistance, 50, 6024. shipbuilding, 50, 3744, 3754 ; in die-casting, 50, 1234. tram cars, 50, 1804 ; in transport, founding, 50, 7084. 50, 5674, 6864 : in travelling cranes, grain-size, reduction by addn. of iron, 50, 1 8 1 4 ; in U.S. Airship “ Akron,” 50, 3494. 50, G864 ; internat, competition for hardness, 50, 6014. development, results for 1931, 50. high-quality, manuf., 50, 7304. 453 4 . high-strength, manuf., 50, 1954. varnishing, 50, 1624. melting, 50, 1254. welding, 50, 4964, 5004 ; autogenous, paint, choice of binder, 50, 1824 (see 50, 2 57 4 ; elect, resistance, 50, 1114 ; also Aluminium). oxy-acotylono, 50, 3834 ; oxy-acotyl- special, contg. zinc, silicon, and anti­ eno, practical hints, 50, 1874 ; pro­ mony, 50, 3504. cautions, 50, 5 3 4 , 5 4 4 . specifications, requirements, 50, 6904. wire, electrical conductivity, effect of stress-endurance curves, 49, 27. moch. and thermal treatment, 50, tensile properties, 50, 6014. 2944, 4174; tensile properties, uses, 50, 5684 ; in marine construction, effect of mech. and thermal treat­ 50, 1834. ment, 50, 2944, 4174. wear-resistance, 50, 6024. wire alloy 3. See Aldrcy. Aluminium-cadmium alloys, constitution, working, 50, 4 96 4 . 50, 1514. wrought, elastic bohaviour, offect of Aluminium-chromium alloys, 50, 2944. temp., 48, 255 ; proposed rovision casting, 50, 2944. of A.S.T.M. tentative standards, 50, corrosion by soa-water, 50, 6664. 3214 ; report of A.S.T.M. cttco., 50, properties, 50, 2944. 3214, 4954. Aluminium-cobalt alloys, “ Y,” chromium -plating, 50, 4494 ; equilibrium diagram, 50, 2244. density, influence of treatment with equilibrium relations, 50, 2214. nitrogen and volatile chlorides, 49, Aluminium-copper alloys, 303 ; olectrical conductivity, 50, 104 ; age-hardening, 48, 197 ; effect of iron, forging, 50, 1104; heat-treatraent, 48, 200, 213, 219 ; X-ray examination, 50, 1104, 2244; Loronz number, 48, 202. 50, 104 ; manuf., 50, 5354 ; moch. a-solid solution, solidification, 50, properties, 50, 5354 ; notch-tough­ 1594. ness, effect of temp., 50, 4244 ; casting, 50, 294/i ; effect of modifiers, phys. properties, 50, 5354 ; prodn. 50, 330/1. methods, 50, 3894 ; properties, 50, constitution, X-ray study, 50, 344. 3484 ; tensile properties, influonco crystal structure, 50, 344. of treatment with mixtures of nitro- dynamic strength properties, 50, G004. gon and volatile chlorides, 49, 305 ; effect of vanadium, 50, 4724. thermal conductivity, 50, 104 ; uses electrical conductivity, 50, 104. in I.C. engines, 50, 5354. eutectoid, tomporing and annoaling, 50, Aluminium-antimony alloys, 2564. constitution, 50, 4244. improvement, rocont work, 50, 124. equilibrium relations, 50, 114. inverse segregation, 50, 4714. Aluminium-beryllium alloys, Lorenz number, 50, 104. casting, 50, 2944. modification, 50, 3304. properties, 50, 2944. properties, 50, 2944. Aluminium-bismuth alloys, constitution, sand-castings, stress-elongation, stress- 50, 1514. bending, and stross-slip diagr., 50, Aluminium-brasses (soe also Al-dur-bra, 7264 ; vibration strength, 50, 7264. Alumbro, &c.), solid solution, supersaturated, kinetics casting, improved method, 50, 5384. of docompn., 50, 4864. condenser tubes, 50, 524 , 6904. solution potential, effect of lioat-troat- constitution, 50, 2254, 4264, 4274. ment temp., 50, 3544. mechanical properties, 50, 2964, 5384. thermal conductivity, 48, 37 ; 50, 104. n ick el-, evidences of age-hardening, 49, Widmanstatten structure, 50, 4854. 254. wire, elect, conductivity, effect of moch. protective film, broakdown, 49, 126. and thermal treatment, 50, 2944 ; residues, working up, 50, 5194, tensile strength, effect of mech. and scrap, uso, 50, 2644, thermal treatment, 50, 2944, 794 Subject Index

Aluminium-copper-magnesium alloys, Aluminium-nickel alloys, corrosion by three types of corroding properties, 50, 294.-1. media, 50, 480/1. Aluminium-nickel-tin alloys, aluminium- equilibrium relations, 50, 222A. rich, constitution, 50, 347.4. Aluminium-copper-magnesium silicide Aluminium-silicon alloys (seo also Alpax, alloys, equilibrium relations, 50, 222,1. M VG alloy, Silumin, &c.), Aluminium-copper-silicon alloys, action of superheated steam, 48, 187. mechanical properties, 50, 222.4, 281/1. casting, 50, 294/1. physico-chemical investigation, 50, 661-4. constitution, 50, 600.4. preparation, 50, 222/1, 281.-1. creep, 50, 299/1. wire, oleet. conductivity, effect o f mech. effect of sodium, 50, 661.4. and thermal treatment, 50, 294.-1 ; electrical conductivity, 50, 10/1. tonsilo strength, effoet of moch. and electrical resistance, offoct of hoat-troat- thermal troatmont, 50, 294A. ment, 50, 347/1. Aluminium-copper-zinc alloys (sco also eutectic, hypoeutectic and hypereutectic, Aluminium- brasses ), 50, 600/1. constitution, 50, 225/1, 420.4, 427.4. for die-casting, offoct of variation of Aluminium-iron alloys, 50, 11.1. temp, on impact value, 50, 477.1. crystal lattice, 50, 308.4, 488.4. Lorenz number, 50, 10/1. oxidation-resistance at high temps., 50, mechanical properties, offoct of hoat- 222.4. troatment, 50, 347/1. superlattice, formation, 50, 362/1. m odification, 50, 294.-1. Aluminium-iron-chroniium alloys, con­ pistons, 50, 180.4. stitution, 50, 800/1. properties, 50, 294/1. Aluminium-iron-silicon alloys, alumin­ sand-castings, stress-olongation, stress- ium-rich, constitution, 50, i l A, 223.4, bending, and stress-slip diagr., 50, Aluminium-lead alloys, constitution, 50, 726/1 ; vibration strength, 50, 726/1. 151.1. solid solubility of silicon, 50, 471/1. Aluminium-lithium alloys, 50, 425.1. thermal conductivity, 50, 10/1. Aluminium-magnésium alloys, uses, 50, 291.-1 ; in architecture, 50, 180/1. a-solid solution range, boundary, X-ray 'Wire, elect, conductivity, effect of mech. detn., 50, 732.4. and thermal troatmont, 50, 294/1 ; boiling point curves, 50, 736.4. tensilo strength, effect of moch. and casting, 50, 294.1. thermal treatment, 50, 29-4-4. chemical properties, 50, 604.4. Aluminium-silver alloys, electrical conductivity, 50, 10.-1. lattice constants, 50, 164.1, 238.4. equilibrium diagram, 50, 604.4. solid solutions, X-ray study, 50, 164/1, heat-treatment, 50, 604.-1. 238.4. Lorenz number, 50, 10.4. Aluminium-zinc alloys, physical properties, 50, 604/1. age-hardening (AI„Zn, compn.), 50, properties, 50, 294.4. 727.4. 728/1. solid solubility of aluminium at different a-solid solution, solidification, 50, 159/1. temps., 48, 221 (Paper). A L Z n ,, does it existí, 50, 615/1; im ­ solid solubility of magnesium, X-ray provement, 50, 472.4. detn., 50, 12.4, 553/1. boiling point curves, 50, 736/1. solid solutions, homogenized, tensile equilibrium relations, 50, 223/1. tests, 50, 732/1. im provem ent, 50, 472.-1. thermal conductivity, 50, 10A. Alusil, compn., 50, 600/1. Aluminium-magnesium-copper alloys, Am algam s, constitution, 50, 663/4. Alkali metal, liquid, oleet. conductivity, Aluminium-magnesium-manganese alloys, 50, 733.4. 4S, mech. properties, 50, 536/1. Barium, electrolysis, 50, 80/1. properties, 50, 151/1. Bismuth, electrolysis, 50, 80/1. Aluminium-magnesium-silicon alloys, Cadmium, heats of soln., heats of forma- A l3M g2, X-ray evidence, 50, 485/1. tion and freo energies of formation, constitution, 50, 346/1. 50, 12/4 ; metallography, 50, 12^1 ; electrical conductivity, 50, 10/1. transport numbers, 50, 353.-1. equilibrium diagrams, 50, 472.-1. Copper, prepn., 50, 663/1. Lorenz number, 50, 10/1. Gold, constitution, 50, 428/1. M g2Si, preseneo not confirmed by Iron, 50, 350/1 ; colloidal naturo, 50, X-rays, 50, 485/1. 227.4. thermal conductivity, 50, 10.4. Lithium, electrolysis, 50, 80/1 ; liquid, Widmanstätten structure, 50, 485/1. oleet. conductivity, 50, 733/1. Aluminium-manganese alloys, Nickel, 50, 350/1. casting, 50, 294/1. Potassium, electrolysis, 50, 80.4 ; liquid, constitution, X-ray study, 50, 33.4. oleet. conductivity, 50, 733/1. creep, 50, 299/1. Sodium, detailed study of formation properties, 50, 294.4. from sodium chloride solus., 50, Aluminium-nickel alloys, 252.4 ; dilute, kinetics of dissolu., casting, 50, 294.-1. 50, 542/1 ; electrolysis, 50, 80.-1 ; Subject Index 795

Amalgams, Analysis, methods of. liquid, elect, conductivity, 50, 733.4 ; Analysis, liquid, study of, 50, 663/1. spectrographic, apparatus, 50, 748/1 ; Tellurium, Hall effect, 50, 227/1. book, 50, 63/1 : by omission spoc- Thallium, freo energies of formation trum, book, 50, 134.4, 206.4 ; in and heats of formation, 50, 21.4. metallurgy, 50, 018/1 ; instruments Titanium, prepn. and properties, 50, for, book, 50, 524/1 ; new spectral 297.4. lino photometer, 50, 364/1 ; quant., transport and transport potentials, 50, 50, 748.4 ; rapid, 50, 673.4 ; utility, 3o3/l, 3o4/l. 50, 39/1 ; wavo-length tobies, 50, transport numbers of metals, 50, 80A. 63/1. Uranium, prepn. and properties, 50, technical, book, 50, 136.4. vessels, use of chromium-stocl, 50, Vanadium, prepn. and properties, 50, 87/1. 297^1. volumetric, book, 50, 135.4 ; pneu­ Ambrao, matic apparatus, 50, 488/1 ; uso composition, 50, 377/1. of bromate, 50, 87.4, 240/1. corrosion by milk, 50, 302/1. Analysis of— Am bro, composition, 50, 377/1. Alloys, olectrographic, 50, 618.1 ; Am erica. See United Slates of America. quant., by X-ray spoctroscopy, 50, 80-4 ; quant., without destroying ANALYSIS, METHODS OF. samples, 50, 553/1 ; spoctrographic, Analysis, 50, 487/1 ; spectrographic, uso of apparatus, tantalum as material for, now Bpectral lino photometer, 50, 50, 445.1. 364/1. books, 50, 139/1, 140.4, 592/1 (review). Aluminium, standard methods (AI. calculations, book, 50, 136.4. Res. Inst.), 50, 749.4, 781/1. colorimetric, book, 50, 71 C/1, Aluminium alloys, standard methods co-precipitation, 50, C19/1. AI. lies. Inst.), 50, 749.4, 781.4. developments, 50, 238/1. Brasses, 50, 487/1, 618.4. electrolytic, easily constructed appar­ Bronzes, 50, 673,4. atus, 50, 40/1 ; now universal Cadmium, ra p id , 50, 677/1. stand, 50, 364A ; portable ap­ Chromium-plating solutions, 50, 630/1, paratus, 50, 91/1 ; prevention of 031/1. anodic losses of platinum, 50, 074.4 ; Coals, 50, 394.4, 395/1. uso of metallic (electronic) rectifiers, Columbium, spoetroscopic, cathode- 50, 250-4. ray method, 50, 240/1. electrometric, with pptn. reactions, Copper, book, 50, 59.1. use of solid electrodes, 50, 87/1. Copper alloys, 50, 364/1. gravimetric, by means of thormo- Copper-zinc alloys, 50, 168.4. balanco, 50, 241/1. Gold, vol., 50, 365.4. laboratory apparatus. See Laboratory Iron, book, 50, 656.4 (review). apparatus. Lead, book, 50, 59.4. metallurgical, book, 50, 051/1. Lead alloys, 50, 076.4. m icro-, books, 50, 525/1, 588/1 ; in Manganese-brass, tentotivo revisions metallurgy, 50, 365/1 ; reviow of of A.S.T.M. standard methods, 50, methods, 50, 309/1. 240/1. micro-electro-, improvod apparatus, Nickel by Parr-Lindgron method, 50, pamphlet, 50, 457/1. 365.4. optical instruments for, book, 50, Nickel-plating solutions, 50, 450 /1. 524.4. Non-ferrous metals, U.S.S.R. stan­ potentiometric, book, 50, 716.4, 718/1. dards, 50, 460/1. precipitation by H2S, 50, 39/1. Plating solutions, 50, 635/1 ; booklet, Qualitative, books, 50, 62/1, 133.4, 50, 718/1. 140/1,283/1,407/1,460/4; magnesia Platinum metals and alloys, spectro­ apparatus for, 50, 364/1 ; tables, scopic, 50, 167.-1. 50, 460/1 ; uso of drop reactions, Precious metal alloys, micro-, 50, 50, 366.4 ; use of organic reagents, 365/1. 50, 309/1. Red brass, 50, 618.4. quantitative, books, 50, 62.4, 132.4, Refractories, 50, 200.4, 398/1, 516.4. 138/1, 144/1 (review), 206.4, 526/1, Silver alloys (coinage), 50, 166/1. 527/4 ; uso of organic reagents, Silver-plating solutions, 50, 4 0 /1, 50, 309.1. 760/1. rapid, book, 50, 286.4. Silver solders, A.S.T.M. tentative recent advances, book, 50, 143/1 method, 50, 166/1., 240/1. (review). Steels, book, 50, 656/1 (review). reducing agent for trivalent iron, Tantalum, spectroscopic, cathode-ray cadmium as, 50, 39/1. method, 50, 240/1. rôle in industrial research, 50, 304.1, White metals, 50, 364.4. 525.4. Zinc, book, 50, 59/1. 796 Subject Index

Analysis, methods of. Analysis, methods of. Detection of— Estimation of— Aluminium, by Aluminon, 50, 3094 ; Cadmium, gravimetric, 50, 5544 ; in qua!., 50, 6184. cadmium cyanide baths, 50, 6754 Antimony, 50, 6734 ; in tin, 50, 6184. in copper, 50, 4884. Arsenic in tin, 50, 6184. Calcium, 50, 4424; quant., with Barium, 50, 3654. picrolonic acid, 50, 1674. Bismuth, 50, 874. Chromium, and nickel in same soln., Calcium, 50, 874. vol., 50, 1684; in Ni-Cr, Ni-Cr- Chromium, in acid solns., 50, 874; Fo and Ni-Cr cast-iron, 50, 5544 ; spectroscopic, 50, 6204. iodometric, 50, 1674; vol., 50, Cobalt, 50, 3654; in presence of 4 4 4 4 . olomcnts of Group III, 50, 1664. Cobalt, as sulphide, 50, 394; colori­ Gold, micro*, 50, 3654. motric, alono and in presence of Lead, colorimotric, 50, 5534. nickel, 50, 884 ; electrolytic, 50, Lithium by flame coloration, 50, 884 ; gravimetric, 50, 5544 ; in 6 73 4 . ammoniacal soln., microelectrolytic, Magnesium, 50, 3664 ; by coloured 50, 4434 ; quant., by filtration drop reactions, 50, 4414. mothod, 50, 6204; use of zinc Mercury, 50, 5544 ; in minute amts., oxide, 50, 884. oloctrochem., 50, 4414; in very Copper, by fluoride-iodide mothod, small amts., 50, 4434. 50, 4424; colorimetric, appn. of Metals, 50, 1664; in presence of piperidinium, 50, 4424; in am­ organic acids, 50, 2394; tetra- moniacal soln., microelectrolytic, methyldiaminodiphonylmethane as 50, 4424 ; in copper-zinc alloys, reagent, 50, 874. 50, 1684; in plating solns., 50, Nickel, spectroscopic, 50, 6204. 994; in presenco of iron, with Platinum, micro-, 50, 3654. salicylaldoxime, 50, 4424 ; in steel, Silver, 50, 874 ; appn. of p-dimothyl- 50, 394 ; micro-, appn. of Spacu’s aminobenzylidenerhodamino, 50, reaction, 50, 6754. 3664 ; capillary-chemical micro- Gallium, electrolytic, 50, 4424; method, 50, 3664 ; micro-, 50, quant., 50, 2404. 3 6 5 4 . Gases, in metals, 50, 6744, 7494. Strontium, 50, 874, 3664; by flame Gold, potentiometric, with cuprous coloration, 50, 6734. chlorido soln., 50, 6204 ; quant., Estimation of— by hydrazine hydrochoride, 50, Alumina in refractories, 50, 3984. 1684. Aluminium, formation of lithium Iridium, 50, 3094; gravimetric, 50, aluminate, 50, 2404 ; gravimetric, 749 4 . by cyanate method, 50, 884 ; vol., Iron, by means of basic mercuric 50, 2 40 4 . bromate, 50, 2404 ; (small amts.) Ammonium group metals in presenco in copper, 50, 6754. of Mn, Ni, Co, and Mg, appn. of Lead, anodic pptn. of lead peroxide, hexamcthylenetetramine, 50, 4414. 50, 894 ; olectrolytic, dotn. of Antimony, by Low’s method, use of factor for converting weight of manganese sulphate, 50, 6194; olectrodepositod lead peroxide into in alloys with high copper content, load, 50, 4424; gravimetric, by rapid method, 50, 6214 : in lead means of thermobalance, 50, 2414 ; alloys, rapid method of dissolving in Babbitt, vol., 50, 1684; in its alloys preparatory to, 50, 6764 ; compds. and alloys, quant., by in presenco of tin, qual., 50, 884 ; adsorption method, 50, 5534; (small amts.) in copper and its ion, volumotric, by oxalato method alloys, 50, 6744 ; (small amts.) in by analysis of ppt. or of soln., presenco of much copper, 50, 1674 ; 50, 4884 ; (small amts.), colori­ use of titanium chloride, 50, 884. metric, 50, 5534 ; vol., with sodium Arsenic, in presonce of antimony, carbonate, 50, 1684. electrolytic, 50, 6754; in white Magnesia in refractories, 50, 3984. metals, rapid, 50, 1674 ; (small Magnesium, technique of oxinate amts.), oloctrochem., 50, 6744; pptn., 50, 2414. (small amts.), now electrolytic Manganese, as dioxido, quant., 50, apparatus, 50, 6754; use ’ of 6194 ; bibliography, 50, 1684 ; by titanium chloride, 50, 884. Knorro’s method in presenco of Barium as chromate, 50, 4884. certain other metals, 50, 1684 ; Beryllium, critical review, 50, 4414 ; colorimetric, 50, 894 ; colorimetric, gravimetric, 50, 884, 4414, 6194; by periodate method, new and gravimetric, by guanidino car­ simplified colorimeter, 50, 6204; bonate, 50, 3094; in alloy steels in bronze, 50, 894 ; in large amts., and ferro-beryllium, 50, 4424. modification of silver-salt-persul- Bismuth, as metal, 50, 4424 ; use of phato method, 50, 894 ; methods titanium chloride, 50, 884, critically discussed, 50, 1684; Subject Index 797

Analysis, methods of. Analysis, methods of. Estimation of— Estimation of— pptn. as MnNH4P04,H20, 50, 894, balanco, 50, 2414 ; in alloys with 4434 ; (small amts.), electro- high copper content, rapid method, colorimetric, 50, 5544 ; volumetric, 50, 6214 ; in brasses and bronzes, after oxidation by periodate, 50, gravimetric, 50, 24 1 4 ; in ferro- 894 ; with potassium periodate, tungsten and tungston ores, 50, 50, 1694 ; use of zinc oxide, 50, 6764 ; in lead alloys, rapid method 8 8 4 . of dissolving alloys, 50, 6764 ; in Mercury, gravimetric, as periodate, stool, 50, 904 ; in tin drosses, 50, 50, 904 ; in presence of copper and 1704; in tinplate, 50, 9 0 4 ; in arsenic, or iron salts, quant., 50, white metals, vol., 50, 904, 4444, 904 ; in small amts., 50, 4434 ; 5554. rapid, 50, 6204 ; volumetric, as Titanium, as dioxide by guanidine periodate, 50, 904. carbonate in tartrate solns., 50, Metals, spectrographic, by spark spec* 31 14; as phosphate, 50, 44 44; tra, 50, 394. colorimetric, by Weller’s mothod, Molybdenum by potassium porman- 50, 6744 ; gravimetric, 50, 555A, ganate, 50, 4434 ; colorimetric, 6744; gravimetric, by moans of 50, 310 4 . thermobalance, 50, 2414. Nickel and chromium in same soln., Tungsten, colorimetric, in minute vol., 50, 1684 ; as sulphide, 50, amts., 50, 2424. 394 ; colorimetric, potassium di- Vanadium, colorimetric, with phos- thio-oxalate mothod, 50, 5544 ; photungstic acid, 50, 5564 ; gravi­ gravimetric, 50, 5544 ; in am­ metric, use of 8-hydroxyquinolino, moniacal soin., microelectrolytic, strychnine and brucine, 50, 3114; 50, 4434 ; in Ni-Cr, Ni-Cr-Fe and vol., 50, 4444. Ni-Cr capt-iron, 50, 5544 ; in Zinc coating on steel, apparatus for plating soins, by Moore’s method, works, 50, 44 44; in alloys, 50, 984 ; in steel, 50, 394 ; quant., potontiometric, 50, 5564 ; in cad­ by filtration mothod, 50, 6204. mium, rapid, 50, 6774 ; in copper- Phosphorus in bronzes, rapid, 50, zinc alloys, 50, 1684 ; Rinnmann’s 5544. green test, 50, 6774 ; (small amts.), Platinum, potontiometric, with in nickel, 50, 6774 ; vol., 50, 5564. cuprous chloride soln., 50, 6204. Precipitation, oxinate, 50, 2414. Potassium, by perrhenium acid, 50, Separation of— 3104; gravimetric, together with Aluminium from manganese and zinc, sodium and magnesium, 50, 1694 ; 50, 884. in presence of sodium, perchlorato- Beryllium, from aluminium by guanid­ chloroplatinato method, 50, 5544 ; ine carbonate, 50, 884 , 44 14; rapid, 50, 1694 ; (small amts.), 50, from Fe"*f U02’*, Th*"\ Zr':*:, T f, 1694; vol., 50, 2414. Cr04", MoCY', Cu“ , AsOo'", Sb03"!, Rhodium, 50, 3104 ; gravimetric, V 0 4'" and W 0 4", 50, 3094, 6194. 50, 7 49 4 . Caesium, by isoamyl alcohol, 50, Ruthenium, colorimetric, 50, 5544. 3094. Silica in refractories, 50, 3984. Calcium from magnesium by sodium Silicon, in aluminium and its alloys, tungstate, 50, 4424. 50, 4434, 5544, 5554 ; in copper— Chromium from iron and nickel, 50, silicon alloys, 50, 1694. 1674. Silver, in electrolytic copper refinery Cobalt, 50, 6204. slimes, appn. of Volhard method, Copper, and lead, electrolytic, 50, 50, 2414 ; in lead bullion, volu­ 63 1 4 ; from cadmium, use of metric, 50, 3104 ; in plating soins., phenolic acids, 50, 3664; from 50, 994, 6754 ; (small amts.), zinc, 50, 1684; in presence of colorimetric, 50, 6214. aluminium by 8-hydroxyquinoline, Sodium, in aluminium, 50, 6754, appn. to aluminium alloys, 50, 6764 ; in aluminium, spectro­ 6194. graphic, 50, 6764 ; indirect vol., Gallium, 50, 884. based on reduction and titration Germanium and arsenic, quant., 50, of uranium in magnesium sodium 2404. uranyl acetate, 50, 4444 ; minute Iridium, from platinum and other amts. by magnesium uranyl acetate metals, 50, 3094. method, errors involved, 50, 3104 ; Lead, from iron, quant., 50, 1674 ; oxidimetric, 50, 904. from zinc, nickel and manganese Sulphur, in brass, and bronze, rapid by hydrogen sulphide, 50, 6744. method, 50, 3104. Lithium, by isoamyl alcohol, 50, 3094. Thallium, argentometric, 50, 5554 ; Nickel, 50, 6204. by hypoiodito method, 50, 5554 ; Rhodium, from iridium, 50, 74 94; vol., 50, 5554. from platinum and other metals, Tin, gravimetric, by means of thermo - 50, 3104. 798 Subject Index

Analysis, methods of. Annual Autumn Meeting, 49, 13. Separation of—• Annual General Meeting, 48, 1. Rubidium, by isoamyl alcohol, 50, Anodes, for electrolytic zinc production, 309 4 . 50, 2 51 4 . Third analytical group metals, 50, Anodic oxidation of— 4444. Aluminium and its alloys, 50, 4 8 1 4 ; Tin, from tantalum and niobium, Alumilito process, 50, 2624, 5514; 50, 3664 ; from zinc, nickcl and review of literature, 50, 6694 ; manganese by hydrogen sulphide, roview of patent literature, 50, 3054. 50, 6744. Anodic passivation, time factor in, 50, Titanium, gravimetric, 50, 5554 ; in 252 4 . alloys, 50, 6744. Anodic polarization, in aqueous solutions, Tungsten carbides WC and WoC, 50, curront limits, 50, 6104. 6764. Anodic polarization of— Vanadium from arsonic, use of 8-hydr- Aluminium, chem. nature of oxide oxyquinoline, strychnino, brucine layers, 50, 2894. and quinoline, 50, 6774 ; from Cadmium in aqueous solns., 50, 6104. chromium, 50, 3114. Lead in aquoous solns., 50, 6104. Zinc from copper, 50, 1684. Tantalum, chem. nature of oxide layers, Titration, 50, 2 894. direct, internal indicators for, 50, 874. Thallium in aqueous solns., 50, 6104. electrometric, prepn. and calibration Titanium, chem. naturo of oxide layers, of stick antimony olectrode, 50, 50, 289.1. 3184. Zinc in aquoous solns., 50, 6104. potentiometric, book, 50, 1354 ; suit­ Zirconium, chem. naturo of oxide layers, ability of electrodes, 50, 3644. 50, 2 89 4 . Titration of— Anticorodal, Tin (divalent) with potassium chlorate, contacts, unsuitability, 50, 6874. 50, 6 764. elastic hysteresis curves, 50, 347 4 . Uranium, electromotric, with eerie use in elect, railway engines, 50, 1044. sulphate, 50, 904. Anti-friction alloys. See Bearing alloys. Zinc, with potassium ferrocyanide, Antimony, 50, 2424, 3114 j with potassium boiling point at atm. pressure, 50, 7364. ferrocyanide, overlooked source of book, 50, 5 8 9 4 . error, 50, 2424. castability, 50, 3 2 9 4 . crystal structure of electrodeposits, effect Ancient metallurgy, finds in Zimbabwe of temp., 50, 5624. ruins, 50, 5204. crystals, breaking etrongth and cleav- Annealed metals, pressure of fluidity, 48, ability, 50, 5294. 47 (Paper). deposits, crystal structure, effect of Annealing (see also Heat-trcatment), temp., 50, 5624 ; X-ray diffraction bright-, chem. effect of gaseous atmo­ study of structure, 50, 3144. spheres, 50, 1854 ; with hydrocarbon detection, 50, 6734 ; in tin, 50, 6184. gases, 50, 4564. electrical resistance, change under h y d ro­ controlled atmospheres, 50, 4564. static pressure, 50, 4224. furnaces. See Furnaces. electrode, stick, prepn. and calibration, Annealing of— 50, 3 1 8 4 . Aluminium, book, 50, 6534 (review) ; estimation, by Low’s method, use of conductors, 50, 654. manganese sulphate, 50, 6194; in A lum inium alloys, book, 50, 6534 alloys with high copper content, (review). rapid method, 50, 6214; in load Brass, bright-, in gas-fired surface- alloys, rapid method of dissolving combustion furnaces, 50, 7644 ; strip alloys preparatory to, 50, 6764 ; in in continuous furnace, 50, 6944 ; presonco of tin, qual., 50, 884 ; of use of gas, 50, 534. small amts. in copper and its alloys, Copper, bright-, 50, 5704 ; bright-, 50, 6744 ; of small amts. in presence in elect, furnace, 50, 6944; cold- of much copper, 50, 1674 ; use of worked, variation of dimensions titanium chloride, 50, 884. produced by, 50, 3234 ; wire, explosive, structure, 50, 5624. fundamentals, 50, 534. films, registration of cathode rays, 50, Duralumin, 50, 7644; thermal effect, 2 92 4 . dilatometric investigation, 50, 7274. Hall effect in induced currents in circular Eutectoid alloys, 50, 2564. discs, 50, 1454. Monel metal, 50, 194, 5704. mineral resources of U.S.A., 50, 1384. Silver-copper-nickel-zinc alloys, 50, mirrors, prepn., 50, 1454; reflective 6064. power for infra-red, 50, 1454. Strip, 50, 5704 ; in continuous furnaces, oxidation by nitric acid, hydrazine as 50, 6944, 7654. retarding agent, 50, 1494. Worked (hammered) metals, tim e law single crystals, sclerometric hardness, relating to, 50, 1104. decroaso duo to adsorption of active Subject Index 799

Antimony, Arc welding. See Welding. substance at surface of contact, 50, Arcatom process. See Welding. 5.4. Arcogen process. See Welding. twinning, 50, 529/1. Armco iron (see also Iron), uses, 50, 375.4. hardness, effect of cold-rolling, 50, 6 4 . Antimony alloys (see also Babbitt metal, strengthening on cold-rolling, 50, 6 4 . Bearing alloys, & c.). tensile properties, effect of cold-rolling, Antimony-aluminium alloys, 50, 6 4 . constitution, 50, 4244. Arsenic, equilibrium relations, 50, 114. deposits, X-ray diffraction study of Antimony-bismuth alloys, structure, 50, 3144. crystal structure, 50, 3494. detection in tin, 50, 6184. homogeneous, prepn., 50, 3494. estimation, in presence of antimony, Antimony-cadmium alloys, electrolytic, 50, 6754 ; in white CdSb, existence, 50, 3544 ; existenco o f metals, rapid, 50, 1674 ; (small 2 modifications, 50, 4 4 0 4 . amts.), electrochem., 50, 6744 ; crystal structure, 50, 4 4 0 4 . (small amts.), new electrolytic ap­ magnetic susceptibility, 50, 354 4 . paratus, 50, 6754 ; use of titanium Antimony-copper alloys, chloride, 50, 884 . cathodic sputtering, 50, 3544. films, registration of cathode rays, 50, constitution, 50, 4304. 2924. Antimony-copper-tin alloys, constitution, mineral resources of U.S.A., pamphlets, 50, 662 4 . 50, 404 4 . Antimony-gold alloys, oxidation by nitric acid, hydrazine as constitution, X-rav study, 50, 3 5 4 . retarding agent, 50, 1494. crystal structure, 50, 3 5 4 . production, 50, 3754, 6894. Antimony-lead alloys, separation from germanium, quant., 50, boiling point curves, 50, 7364. 2404. magnetic susceptibility, 50, 3544. separation of vanadium, uso of 8-hydr- Antimony-lead-cadmium alloys, bearing oxyquinoline, strychnine, brucine, and properties, 50, 174. quinoline, 50, 6774. Antimony-lead-tin alloys, single crystals, sclerometric hardness, microstructure, 50, 784. decrease due to adsorption of active scrap, treatment, 50, 5214. substances at surface of contact, 50, Antimony-magnesium alloys, boiling point 5 4 . curves, 50, 7364. uses, 50, 3754, 6894. Antimony-silver alloys, Arsenic-nickel-iron alloys, constitution, constitution, 50, 430 4 : X -r a y study, 50, 298 4 . 50, 3 6 4 . Arsenic-silver alloys, crystal structure, 50, 3 6 4 . constitution, X-ray study, 50, 3 6 4 . Antimony-silver-cadmium alloys, co n ­ crystal structure, 50, 3 6 4 . stitution, 50, 4 3 0 4 . Arsenic sulphides, Antimony-silver-copper alloys, constitu­ hydrogen and, thormal equilib., 50, tion, 50, 4304. 4314. Antimony-silver-zinc alloys, constitution, thermochemistry, 50, 6 61 4 . 50, 430 4 . Arsenides— Antimony-sodium alloys, NaSb, lattice Iridium, prepn., 50, 2 0 4 . structure, 50, 3634. Palladium, prepn., 50, 2 0 4 . Antimony sulphides, thermochemistry, 50, Platinum, prepn., 50, 2 0 4 . Rhodium, prepn., 50, 2 0 4 . Antimony-thallium alloys, magnetic sus­ Ruthenium, prepn., 50, 2 0 4 . ceptibility, 50, 3544. Arsine poisoning from waste metal, 50, Antimony-tin alloys, 400/1. £-solid solution, crystal structure, 50, Ascaloy, 2 2 4 . corrosion by iodine, 50, 3034 ; by milk, constitution, 50, 224. 50, 3024. gas-meter valves, die-casting, 50, 2014. use in glass machinery, 50, 6934. magnetic susceptibility, 50, 354/1. Assay beads, surface effects caused by SnSb, existence, 50, 3 54 4 . platinum metals, 50, 441 4 . Antimony-zinc alloys, Assaying of— boiling point curves, 50, 7 36 4 . Gold bullion, effect of annealing on sur­ electrolysis o f solid, 50, C654. charge, 50, 2384 ; effect of platinum magnetic susceptibility, 50, 3 54 4 . group motals, 50, 4884. ZnSb, existenco, 50, 3544. Gold alloys, correct sampling, 50, 2394. Apparatus, laboratory. See Laboratory Silver alloys, correct sampling, 50, apparatus. 2394. Apple juice, action on Monel motal, 50, Atmospheric corrosion. See Corrosion. 303 4 . Atomic attraction, application of quantum A.P. 33 alloy. See Aluminium alloys. theory, 50, 6174. Arc furnaces. See Furnaces. Atomic heat- Seo also Specific heat. 800 Subject Index

Atomic heat oE— Babbitt metal, Aluminium, 50, 216/1. selection, 50, 157/1. Bismuth at higher temps., 50, 338-4. tin-base, offect of crystal sizo on phys. Copper, 50, 216/1. properties, 50, 299.4; with low Crystalline substances at constant pres­ antimony and copper contents, con­ sure, 50, 216/i, 281/1. stitution and properties, 50, 157A ; Gold, 50, 210.1. with low antimony and copper Lead, 50, 216/1, 467/1. contents, structure and hardness, Palladium, 50, 69/1. 50, 606/1. Rhodium, 50, 69-1. working load, detn., 50, 157-4. Ruthenium, 50, 69/1. Babbitting, 50, 508/1. Tin, 50, 467/1; noar zoro abs., 50, 530.4. correct, importance, 50, 638.4. Z in c, near zero abs., 50, 530/1. equipment, 50, 711/1. Atomic numbers, liume-Rotliery relation, oE large bearings, 50, 267/1, 581.4. ship between ionization potentials plant, 50, 373.4. and, 50, 421/1. Bahnmetall, 50, 540/1. Atomic physics, book, 50, 437/1. Balance sheet, 48, 15. Atomic weight, unit, 50, 749/1. Barium, Atomic weight o£— atom ic weight, 50, 66.-1. Barium, 50, 66/1. detection, 50, 365/1. Caesium, 50, 66/1. electrical resistance at low temps., 50, Lithium, 50, 66.4. 593/1. Niobium, 50, 596.1. estimation as chromate, 50, 488/1. Rubidium, 50, 66. 1. isotopic constitution, 50, 66/1. Scandium, 50, 66/1. radioactive decomposition, search for Strontium, 50, 66/1. ovidence, 50, 657/1. Tantalum, 50, 596/1. uses, 50, 375/1. Thallium, 50, 3/1, 66/1. Barium amalgams, electrolysis, 50, 80/1. A.T.V. alloy, 50, 185/1. Barium ferrite, formation, 50, 81/4. Auditors, election, 48, 19. Barkhausen discontinuities, large, propaga­ Automobiles, tion, 50, 345/1. metals for use at high temperatures, 50, Barkhausen effect, 50, 345/1. 532.1. relation to Wiedemann effect, 50, 74.4. non-ferrous metals in, 50, 764.4. thermal analogy, 50, 9/1. pistons, deposition of tin on, 50, 633/1; Barkhausen effect in— diatherm, 50, 104/1. (Seo also Iron, transverse, 50, 74/1. Aluminium alloys, &e.) Bars, cold-drawn, calculation of residual radiators, failure of soldor-soam, 50, tensions, 50, 327/1, 387/1. 27.4. Batterium, properties, 50, 14.4, 661/1. valve seats, use of inserts to combat Bauschinger effect, 50, 291.4. wear and erosion, 50, 106.4. Bauxite, 50, 782/1. Autum n Lecture, 49, 17. book, 50, 783/1. Autumn Meeting, 49, 13. Bearing alloys (sco also Babbitt metal, Avialite, 50, 295/1, 428/1. Boroto, Bronze, Qittcrmetall, White A vional (seo also Duralumin), metals, &c., and under namos of corrosion-resistance, 50, 348.1. constituent metals], elastic hysteresis curves, 50, 347/1. abrasion, 50, 253/1. mechanical properties, 50, 348/1. advantages of various types, 50, 253-4. use in ropo-railway cars, 50, 687.4. aluminium alloys, 50, 685/1. AW15 alloy. Soo Aluminium alloys. analysis, 50, 253.4. bronze, effoct of antimony, iron, arsonic, and phosphorus, 50, 321/1 ; effect Babbitt metal (seo also Bearing Alloys, of casting temp, and of addns. of White metals, and undor names of iron, 50, 225.4, 390/1 ; effoct of constituent metals), nickel, 50, 15.-1; in ingot form for bearings, centrifugal casting and finish­ sand-castings, tentative revisions of ing, 50, 50/1 ; copper wire laid in to A.S.T.M. standard specification, 50, prevent over-heating, 50, 102/1. 32 1 /1 ; railroad, wear and moch, casting, 50, 266/1. properties at different temps., 50, corrosion by hot vapours of cracked 225.4. petrol, 50, 230/1. effect of variations o£ composition, CuSn crystallization, 50, 664/1. 50, 734,4. estimation of lead, vol., 50, 168/1. estimation oE tin, vol., 50, 90.4. Eor aero use, constitution and proper­ for electric motor shafts, 50, 685.4. ties, 50, 157/1. friction tests, 50, 253/1, 762/1. for machine repair work, 50, 373/1. graphited. Soo Boroto. friction tests, 50, 762^1. lead-base, bibliography, 50, 685/4 ; com* linings, uniting to shell, 50, 685-4. parativo tests with tin-base alloys, macrography, 50, 237.4. 50. 734-4 ; effect of addns. o f readily Subject Index 801

Bearing alloys, Beryllium , arsenic, 50, 429.4 ; effect of cadmium, brittleness, 50, 721/1. 50, 17 A ; moch. properties, effect of carbon in, rem oval, 50, 145/1. pouring and mould temps., 50, 153.4, cathodic sputtering in helium, 50, 657/1. 731A ; properties, roviow, 50, 085.4 ; electro-deposition, 49, 373. tests on, 50, 782.4. electrolytic production, metal fog, 50, lead-bronze, 50, 179.4; offcct of 721/1. antimony on mecli. properties, 50, estimation, critical review, 50, 441/1 ; 537A. gravimetric, 50, 88.4, 441.4, 619/1; lead-copper, 50, 040/1. gravimetric, by guanidine carbonate, macrography, 50, 237.4. 50, 309/1 ; in alloy steels and ferro- pouring temperature, 50, 179.4. beryllium, 50, 442/1. properties, 50, 101A ; at normal and extraction, 50, 06/1. elevated temps., 50, 539.4, 540.4; films, photoolect. properties, 50, 454.4. review, 50, 351.4. Hall effect, 50, 594/1. railroad, requirements and testing, 50, high-purity, oloetrolytie prodn., 49, 365. 179.4. impurities, absorption, influonco of molt­ requirements, 50, 179.4, 373.4, 453.1. ing conditions, 50, 145.4 ; dotection , self-lubricating, 50, 085.4. 49, 309. structure, 50, 179/4. lattice constants, 50, 615.1. testing, 50, 179/1. melting, crucibles for, 49, 384. tests, practical, to reduce cost, 50, melting point, 50, 145/1, 372.4. 490/f. occurrence, 50, 66/1, 290/1 ; in A ustria, tin-base, bibliography, 50, 085/1; com­ 50, 519.4. parative tests with load-base alloys, photoelectric properties of films, 50, 50, 734/1 ; offect of small amts. of 454/1. aluminium, 50, 470.-! ; hardness, 50, preparation, 50, 290.4 ; by decompn. of 476/1; properties, roviow, 50, 085.4 ; iodido, 49, 377. tests on, pamphlet, 50, 782.4. production, 50, 337/1, 721/1. wear, relation of grain-sizo, 50, 266.4. properties, 50, 66.4, 145.4, 289.4, 290/1, white-metal, bibliography, 50, 685.1; 337.4, 529/1, 721/1 ; roviow, 50, 536/1. casting, 50, 774/1 ; moch. properties pure, electrolytic prepn., 50, 100.4. at different temps., 50, 429.4 ; melt­ researches on, 49, 365 (Paper). ing, 50, 774.4 ; properties, review, separation from aluminium by guanidino 50, 085/1 ; requirements and pro­ carbonato, 50, 88-4, 441/1 ; from Fe‘‘\ perties, 50, 179/1 ; testing, 50, 774/1. U O j” , T h " ” , Z r ‘ , 'IT , C rO ,", Bearings, MoOj", Cu", AsO,1", SbO,’", V04"’ adjustment, 50, 702/1. and W O !", 50, 309.4, 619/1. alignment, 50, 762/1. single crystals, 49, 390. Babbitting. Seo Babbitting. specific heat, 50, 721/4. casting by injection method (load-free), sublimation, 49, 3 7 9 ; 50, 379.4. 50, 508/1. uses, 50, 454/1, 640/1 ; in elect, industry, commercial, comparative running tests, 50, 640/1 ; in ferrous alloy for springs, 50, 702.1. 50, 182.4. crankshaft, largo, examination and Beryllium alloys, adjustment, 50, 638.4. age-hardenable, properties, 50, 529.4. friction, 50, 762/1. constitution, 50, 728.4. large, Babbitting, 50, 207/4. properties, 50, 66/1, 289/1 ; review, 50, plain and anti-friction, 50, 102.4. 536.4. protection while in store, 50, 276.4. recent work, 50, 337/1. shells, cleaning preparatory to relining, use in aero construction, 50, 255.4. 50, 253/1, 581/i. Béryllium-aluminium alloys, temperatures, measurement, 50, 762.4. casting, 50, 294/1. testing, 50, 762.4. properties, 50, 294.4. Beer. Beryllium-beryllium oxide eutectic, 49, 372. action on copper, 50, 229.4. Béryllium-calcium alloys, 50, 295.4. action on metals, 50, 609/1; biblio­ Beryllium-cobalt alloys, properties on age- graphy, 50, 609.4. hardening after quenching, 50, 224.4. corrosion by, electrolytic, 50, 546/1. Beryllium compounds, electrolysis in liquid Bell metal, investigation, 50, 264.1. am m onia, 50, 100/1. Bells, Beryllium-copper alloys, casting, 50, 265.1. bibliography, 50, 224/1. English, 50, 709/1. constitution, 50, 602.4, 729/1. founding, ancient, 50, 580/1. effect of cold-work, 50, 224.1. moulding, 50, 265/1. eutectoid, tempering and annealing, ou, Benzines, corrosion of copper, 50, 544/1. 256.1. Beryllium, improvement, recent work, 50, 1-/4. allotropy, 49, 386. preparation, 50, 530/4. analysis, 50, 337/4. properties, 50, 145.4. book, 50, 462.4 (review). recent work, review, 50, 14.4. VOL. L. 4 £ 802 Subject Index

Beryllium-copper alloys, Bismuth, sand-cast, propn., 50, 5 80 4 . mineral resources of U .S .A ., pamphlet, uses, 50, 5 36 4 . 50, 4044. Beryllium-iron alloys, properties, 50, 2954. molten, olect. conductivity, offect of Beryllium-magnesium alloys, 50, 2 9 5 4 . soln. of bismuth chloride, 50, 66/1. attempts to make, 49, 363/1 (Paper). occurrence, pamphlot, 50, 1384. Beryllium salts, electrolysis, 50, 50/1. oxidation by nitric acid, hydrazine as Bibliography, international, of books and retarding agent, 50, 1494. articles in periodicals, 50, 1364. producers and dealers, pamphlet, 50, Bimetal, 1384. applications, possible, 50, 502 4 . production, pamphlet, 50, 1384 ; stat­ compositions, 50, 502 4 . istics, 50, 4554. manufacture, 50, 502 4 . properties, 50, 1384, 3384. production at Koltcliugin Works refining, roview of methods, 50, 519/1. (U.S.S.R.), 50, 5024. single crystals, behaviour under alternat­ properties, 50, 502/1. ing torsional strosses, 48, 227 (Paper) ; uses, 50, 502 4 . diamagnetism, 50, 2184 ; Hall effect, welding, 50, 698/1. 50, 5934 ; macroscopic and lattico Binary alloys. Seo Alloys, and undor expansion, 50, 2094 ; magnetic sus­ names of constituent metals. ceptibility, dependence on field, 50, Biographies. Seo Obituary notices. 657/1 ; metamagnetism, 50, 7724 ; Birmabright, metamagnetism, offect of impurities, finishing, 50, 661/1. 50, 664 ; sclerometric hardness, joining, 50, 0 614. decrease duo to adsorption of activo machining, 50, 66 1 4 . substances at surface of contact, 50, mechanical properties, 50, 3494, 536/1. 54 ; thermal expansion, X-ray physical properties, 50, 661/1. studies, 50, 5934 ; thermo- and uses, 50, 6614 ; in auto-body construc­ galvano-magnetic properties, 50, tion , 50, 514 ; in boat construction, 5934 ; thermoelectric power near 50, 3214, 3754. melting point, 50, 6574 ; X-ray Bismuth, studies, 50, 417/1. atomic heat at higher temps., 50, 3 384. thermal conductivity, effect of transverso boiling point at atm. pressure, 50, 7 364. magnetic fields, 50, 7214. buyers and consumers, pam phlet, 50, thermal expansion of singlo crystals, 138/1. X -ray studios, 50, 593/1. crystals, broaking strength and cloav- thermo-magnetic properties of single ability, 50, 5294. crystals, 50, 593/1. deposits, X-ray diffraction study of twinning, 50, 5294. structure, 50, 314/1. uses, 50, 1384 , 3384 , 4554 , 6404 ; detection, 50, 8 7 4 . for filling tubes to be bent into coils diamagnetism, anomalous, 50, 2 0 9 4 , or spirals, 50, 1824. 4174 ; in crystals, 50, 2184. Bismuth alloys (see also Matrix alloy), diffusion in lead, 50, 7234. use for filling tubes to be bent into coils electrical conductivity of molten, effect or spirals, 50, 182/1. of solution of bismuth chloride, 50, Bismuth-aluminium alloys, constitution, 6 6 4 . 50, 151/1. electrical resistance, change under hydro­ Bismuth amalgams, electrolysis, 50, static pressure, 50, 4224. 804. estimation, as metal, 50, 4424 ; use Bismuth-antimony alloys, of titanium chloride, 50, 884. crystal structure, 50, 3494. evaporation, 50, 596/1. homogeneous, prepn., 50, 3494. extraction, pamphlet, 50, 1384. Bismuth-calcium alloys, constitution, 50, extrusion pressure, m inim um , 48, 51. 124. films, registration of cathode rays, 50, Bismuth-gold alloys, super-conductivity, 292 4 . 50, 164. fluidity, pressure of, 48, 53. Bismuth-lead alloys, galvano-magnetic properties o f single boiling point curves, 50, 7364. crystals, 50, 5934. deposition, 50, 6324. Hall effect in induced currents in electrolysis of solid, 50, 6654. circular discs, 50, 1454 ; in single solid solutions, 50, 4254. crystals, 50, 593 4 . superconductivity, 50, 6044. history, pam phlet, 50, 1384. Bismuth-magnesium-lead alloys, boiling imports and exports, pam phlet, 50, 1384. point curves, 50, 7364. magnetic susceptibility, effect of cold- Bismuth-potassium alloys, KBi2, lattice w ork, 50, 764 ; effect of plastic structure, 50, 3634. deformation, 50, 6 60 4 . Bismuth-silver alloys, markets and prices, pam phlet, 50, 1384. constitution, X-ray study, 50, 364. metallurgy, 50, 3 3 8 4 . crystal structure, 50, 364. metamagnetism, effect of impurities, preparation for quantitative analysis, 50, 50, 6 6 4 . 4414. Subject Index 803

Bismuth-sodium alloys, NaBi, lattice Brass(es), structure, 50, 3634. casting, 50, 7724 ; gating, valuo of Bismuth sulphides, thermochemistry, 50, deep otching test, 50, 2654, 7094 ; 6614. practical hints, 50, 7094. Bismuth-tin alloys, solid solutions, 50, castings, factors influencing soundness, 425 4 . 50, 3904 ; mech. properties, 50, 7724 ; Blackor, 50, 7354. segregation, 50, 6074; thick, molt­ Blanking press, high-speed, 50, 1184. ing, 50, 1964. Bleaching liquors, corrosion by, in textile centrifugal casting, 50, 2674, 7114. industry, 50, 4 3 5 4 . chromium-plated, tarnishing, 50, 964. Blowholes in cast metals, elimination by chromium-plating, 50, 3614. moans of applied pressure, 49, 333. clips, circular-shaped, dies for bending, Bohnalite, cylinder heads, 50, 374 4 . 50, 7674. Boilers, cold-heading, 50, 2594. caustic embrittlement o f m etal, 50, 2 9 4 . cold-rolled plates, internal stress, 50, metals and alloys for, 50, 3 234. 7294. scale deposits, removal from hot-water cold-rolled and annealed, directional apparatus, 50, 303 4 . properties, 50, 6614. scale-formation, 50, 2 9 4 . colouring, brown, 50, 2624. Boiling points of— condenser tubes and ferrulo stock, Metals and alloys at atm. pressure, 50, Admiralty, tentative revisions of 7 364. A.S.T.M. standard specifications, 50, Bonderizing, 50, 844. 3214; and ferrule stock, 70 : 30, Borides, tentativo revision of A.S.T.M. stan­ crystal structure, 50, 334. dard specifications, 50, 3214 ; cor­ superconductivity, 50, 3524. rosion, 50, 1604, 1834. Boring, condensers, surface-, construction, 50, with diamond, appn. to production work, 6904. 50, 7 04 4 . corrosion, 50, 7384 ; by chromic acid, with tungsten carbide tools, 50, 5774. effect of cold-rolling and annealing, Boroto, properties, 50, 1 7 4 , 540 4 . 50, 4344 ; by distilled water and Brass(es) (see also Aluminium-brasses, salt soins., prevention by addn. of Lead-brasses, Manganese-brasses, sodium dichromate, 50, 3584 ; by Muniz mêlait Nickel-brasses, Tom- hot vapours of cracked petrol, 50, basil, &c., and under names of con­ 2304 ; by milk, 50, 3024 ; by stituent metals), phosphoric acid, 50, 4364 ; internal, action of coffee, 50, 7 4 0 4 . 50, 254 ; of condenser tubes, 50, action of tea, 50, 7 404. 1604, 1834 ; of sugar evaporator addition of third metals, equivalent tubes, 50, 6674. values, 50, 5 37 4 . corrosion-fatigue, 50, 424. Admiralty, condenser tubes and ferrule creep, 50, 4774. stock, tentative revisions of A.S.T.M. cutting of polished surfaces, 50, 5754 ; standard specifications, 50, 3 214. speeds, 50, 7674. a-, annealing and grain-growth, effect deep-drawing, 50, 564. of different elements, 49, 247 (Paper) ; density, effect of torsion, 50, 6594. contg. iron, ageing effects, 49, 263 ; deposition, complex cyanides in soins., tensile proj>erties, effect of different 50, 6324 ; from cyanide soins., 50, elements, 49, 252. 6314 ; from thiocyanato soins., 50, aluminium-. See Aluminium-brasses. 2484. aluminium in, disadvantages, 50, 5384. effect of aluminium. Seo A lu m in ium - analysis, 50, 4874, 6184. brasses. annealing, bright-, chom. offect of effect of cadmium. Seo Cadm ium - gaseous atmospheres, 50, 1854 ; brasses. bright-, in gas-fired surfaco-combus- effect of impurities, summary of literature, tion furnaces, 50, 7644 : bright-, with 50, 1534. hydrocarbon gases, 50, 4 56 4 ; o f effect of lead. See Lead-brasses. strip in continuous furnace, 50, 6944 ; effect of manganese. See Manganese- use of gas, 50, 5 3 4 . brasses. annealing furnace, elect., for strip, 50, effect of nickel. Seo Nickel-brasses. 27 1 4 . effect of silicon, 50, 5384. bearing shells, cleaning preparatory to effect of third metals, 50, 4264. rolining, 50, 2 53 4 . electrical resistance, effect of torsion, P, diffusion of zinc, 50, 4704 ; tensile 50, 6594 ; of molten, 50, 1524. properties, 50, 731 4 . £, olectrodeposition, 50, 6714. p — y a transformation in hot-working, estimation of sulphur, rapid method, 50, 50, 730 4 . 3104. burnished, radiation coeff., 50, 3194. estimation of tin, gravimetric, 50, 2414. cadmium-. See Cadmiunx-brasses. extrusion of bars, sections and tubes, cadmium deposits, 50, 247 4 . 50, 5044 ; variations in micro- cartridge cases, cannon, manuf., 50,767 4 . structure, 50, 5034 , 7034. 804 Subject Index

Brass(es), fatigue, 49, 107; 50, 2254, 7534; 287; centrifugal casting, 50, 7114; tests in shear, 50, 2114. freezing temperatures, 50, 2964 ; films, electrodoposition, 50, 5654. phosphorus in, 50, 7734 ; phys. pro­ forging;, variations in microstructuro, perties, factors affecting, 50, 4274, 50, 5034, 7034. 7 3 1 4 ; residues, working up, 50, founder’s fever, 50, 6484. 5194; scrap, removal of antimony, founding, fundamentals, 50, 7094. 50, 5 2 0 4 ; symposium, 50, 4624 foundry, economies, 50, 2654 ; organiza­ (review). tion, 50, 2654. remelting of secondary, in reverberatory foundry practice, fundamentals, 50, furnace, 50, 2654, 3304. 1264. rigidity, modulus, chango due to cold- gas-meter coin wheels, machining, 50, working, 50, 2 1 6 4 ; temp, coeff., 50, 2614. 824, 1584. hardness, chango caused by bonding, riveting, countersunk, 50, 3824. 50, 6594 ; effect of cold-rolling, 50, rods, free-cutting, machinability, 50, 64 ; effoct of porosity, 50, 6074. 2604; ornamontal uses, 50, 3784, heat-exchanger tubes, holding power and 7634. tightness, 50, 6034. sawing, 50, 1184. heat-transfer to, in annealing furnaces, scrap, molting in reverberatory furnaces, 50, 4564. 50, 3904, 7734. heat-treatment, 50, 3824, 4994; of season-cracking, 50, 4274. strip in continuous annealing furnace, secondary, melting in reverberatory 50, 6944. furnaces, 50, 2654, 3304. holes, piercing, 50, 7044. 70 : 30, condenser tubos, tentative re­ hot-pressing, 50, 2604. visions of A.S.T.M. standard specific­ hot-worked, 3 ——> a transformation, 50, ations, 50, 3214 ; thermal conductivity 7304. at high temps., 50, 44. hydrogen overvoltage, relation to compn., sheet, ornamental, romoval o f blemishes, 50, 1004. 50, 5044 ; ornamental, requirements, ingots, cooling in water-cooled moulds, 50, 5044. 50, 7724. shrinkage, effects of products of com­ internal stress in tubes, 50, 144. bustion, 50, 1964, 2084. lacquering, 50, 1204. silver-plating, matt surface, 50, 6324. lead-. See Lead-brasse3. solid solutions, segregations, 50, 3074. lead in, detection bv Ericlisen test, 50, special, 50, 3494, 5374, 5 3 8 4 ; high- 5384. quality, manuf., 50, 7304; manu­ machinability of rods, 50, 2604; with facture, simplified method, 50, 154, respect to lubrication and cooling 774 ; preparation, 50, 1264. of turnings, 50, 7674. strengthening on cold-rolling, 50, 64. machining gas-meter coin wheels, 50, strip, continuous elect, annealing fur­ 2614 ; lubrication, 50, 7674. nace, 50, 2 7 1 4 ; ornamontal uses, manganese-. See Manqaiicsc-brasses. 50, 3784, 7634 ; staining duo to marks approved by U.S.S.R. standards annealing in oxidizing atm., 50, 4274. cttee., 50, 1834. strip ingot casting, mould materials for, melting in cupola, 50, 1274, 7094; 49, 203 (Paper). metal container as substitute for sulphide films, 50, 1504. ordinary crucible, 50, 5824 ; uso of tapping, 50, 7044. iron and steel in mills, 50, 3314. tensile properties at high temps., 50, melting furnaces, elect., experiences, 50, 4774 ; effect of cold-rolling, 50, 64. 1314; gas-fired, 50, 1304; oil- threaded rods, increase of enduraneo fired, 50, 3924. limits by surface pressures, 50, 144. molten, elect, resistance, 50, 1524. tin-. See Tin-brasses. nickel-. Soo Nickel-brasses. torsion, offect on density, dimensions 90 : 10, softening curve, 49, 263. and elect, resistance, 50, 6594. pickling, black, 50, 2624. tubes, internal stress, 50, 144 ; shaped, pipes, for water installations, 50, 3784 ; prodn., 50, 1174; uso in water sprayed coatings, properties, 50, services, 50, 5684. 1194; (water), used as substitute uses, in railway work, 50, 524 ; in sugar for lead in U.S. post offices, 50, 3784. and confectionery industries, 50, polishing of castings of awkward shape, 5694. 50, 5794 ; pastes, 50, 5794. welding, 50, 3844 , 5 0 1 4 ; of fine wire, pressing, hopper for feeding shells, 50, oxy-acetylene, 50, 6974 ; of pipe, 7034. oxy-acetylono, 50, 1124; oxy- properties, 50, 18 34; at high temps., acetylene, practical hints, 50, 1874. 50, 4774. wheels, thin, quantity prodn., 50, 3874. radiator fins, forming and blanking wire, olastic extension under longitudinal die, 50, 5744, 7674. stress, 50, 704 ; properties, 50, 574 ; red, analysis, 50, 4874, 6184 ; breaking stretched, crystal lattice distortion, strength of sand-cast test-bars, 48, 50, 6174. Subject Index 805

Brass(es), Bronze(s), wire-drawing, researches, 50, 574, 191/1 ; bushings, boring, 50, 7684. surfaco temp, of metal during, casting, 50, 77 24; of cylinders, 50, measurement, 50, 706/1. 2644 ; of docorativo work, 50, 330/1; Brastil, properties, 50, 4284. of plates in green sand, 50, 1274, Brazing, 7724; of statuary, 50, 1264; to copper, in controlled atmosphere fur­ resist pressure, 50, 3904. naces, 50, 186/1, 499/1. castings, artistic, prodn. by using flowers copper-zinc solder, distillation pheno­ as patterns, 50, 3914 ; booklet, 50, mena in use of, 50, 53A. 7154; decorative, patterns and equipment, elect., 50, 572/1. moulds, 50, 1284 ; factors influencing furnaces with controlled atmosphere, 50, soundness, 50, 3 9 0 4 ; for pressure 1314. service, manuf., 50, 1234, 1964, in hydrogen atmosphere in elect, furnace, 5084 ; mech. properties, 50, 7724 ; 50, 1104, 3834. to withstand hydraulic pressure, solders, Sil-Fos, 50, 534, 1864, 696/1 ; manuf., 50, 1264. silver, 50, 5714, 6954. centrifugal casting, 50, 2674, 7114. with self-fluxing alloy, 50, 5724. chromium coatings, tarnishing, 50, with silver solders, 50, 4994, 7654. 1774. Brazing of— cold-rolled plates, internal stress, 50, Copper water tanks, 50, 3834. 7294. Monel metal, 50, 194. cold-rolled and annealed, directional Nickel alloys, 50, 1884. properties, 50, 6614. Brewery plant, corrosion, 50, 274 (see compositions, 50, 1 5 4 ; as usod by also A lu m in ium , brewery vessels, and French railways, 50, 524 ; to meet Copper, brewing vessels). engineering requirements, 50, 1954. Brinell hardness testing. See Testing. corrosion, 50, 3554; by hydrochloric Britannia metal, ago-hardening, X-ray acid, 50, 434/1; by inorganic acid«, study, 50, 7274. 50, 6084; by milk, 50, 3024; by British Empire, phosphoric acid, 50, 4344; by sul­ manufacturing industries, 50, 614. phuric acid, 50, 4344; by vinegar, Universities, 4th congress report, 50, 50, 6674. 1394 ; year-book, 50, 458/1. corrosion-fatigue, 50, 424. British standard specifications, index, 50, corrosion-resistance, 50, 834. 1334. cutting, speods, 50, 7674. Broaching, developments, 50, 260/1. deep-drawing, 50, 564. Bronze Age, criticism of use of term, 48,105. effect of gas bubbles and conchoidal Bronze(s) (see also Gun-metal, Lead- flaws, 50, 2254. bronzes, Phosphor-bronze, S ilicon - effect of impurities, 50, 2954, 6 0 2 4 ; bronze, See., and under names of summary of literature, 50, 1534. constituent metals), effect of lead. See Lead-bronzes. acid-resisting, book, 50, 4034 ; manuf., effect of nickel. See Nickel-bronzes. 50, 5074. effect of phosphorus, 50. 6034. aluminium-. See Aluminium-“ bronzes effect of silicon, 50, 6614. analysis, 50, 6734. electrical resistance of molten, 50, 1524. ancient, chem. compn., 50, 3494 ; endurance bending strength of hard- cleaning, 50, 3284 ; from Palestine, drawn wires, 50, 2894. analyses, 50, 2024 ; from Royal estimation of manganese, 50, 894. graves at Ur, microstructuro, compn., estimation of phosphorus, rapid, 50, and corrosion products, 48, 97 ; from 5544. Ur, 50, 5204 ; from Zimbabwo ruins, estimation of sulphur, rapid method, 50, 520/1 ; patination, 48, 97, 106, 107. 50, 3104. bearing, compositions, table, 50, estimation of tin, gravimetric, 50, 3214 ; (Cu 80 : Sn 10 : Pb 10) offect 2414. o f antimony on mech. properties, 50, foundry of Cie. du Chemin do Fer du 5374 ; effect of antimony, iron, and Nord (France), 50, 5804. arsenic and phosphorus, 50, 3214; foundry practice, 50, 1954. effect of casting temp, and of addns. freezing temperatures, 50, 2964. of iron, 50, 2254, 3904 ; effect of gears, selection and treatment of mate­ nickel, 50, 154 ; in inçot form, rials, 50, 1264, 7094. A.S.T.M. tentative revisions of Greek, ancient, analysis and structure, standard specification, 50, 3214 ; 50, 1534. properties, 50, 1014 ; railroad, wear hardness, effect of casting conditions and mech. properties at different 50, 6074. temps., 50, 2254. high-quality, manuf., 50, 7304. bearings, friction and abrasion, 50, inverse segregation, 50, 6074. 2534 ; shells, cleaning preparatory to lacquering, 50, 1204. relining, 50, 2534. lead-. See Lead-bronzes. bell-, bessemerization, 50, 5194, 7804 ; “ lead sweat,” effect of nickel, 50, 7724. recovery of tin, 50, 5194 , 7804. lead—zinc-. See Lead-zinc bronzes. 806 Subject Index

Bronze(s), Cables, machinal)ility, with respect to lubrication sheathing, design, 50, 3 2 2 /i; fatigue, and cooling of turnings, 50, 7Í37/Í. 50, 527/1, 539.1 ; load. Soo Lead. machining, lubrication, 50, '767A. underground, failure, 50, 322/1. manganese-. Seo Manganese-braises. Cadalux plating process, 50, 247/1. mechanical properties, 50, 15A. Cadmium, melting in cupola, 50, 264/1. analysis, rapid, 50, 677/1. microstructure of specimens from Royal anodic polarization in aqueous solns., graves at Ur, 48, 97 (Paper). 50, 610/4. mirrors, ancient, 50, 497.4. boiling point at atm. pressure, 50, 736/1. molten, olect. resistanco, 50, 152.-1. castability, 50, 329.4. nickel-. See Nickel-bronzes. characteristic frequency, 50, 71/1. patina, groon, artificial, 49, 1G0. -coating of stool wire, 50, 613.4. permanent mould casting, 50, 123/1, colouring of deposits, 50, 192/1, 504/1, 712^1. 706/1. phosphor-. Soo Phosphor-bronze. deposition, 50, 95/1, 370/1 ; analysis physical properties, 50, 15.4. o f solns., 50, 675/1; Cadalux procoss, plates, moulding and casting, 50, 127/1, 50, 247/1 ; “ Einsinkon,” 50, 247/1; 772/1. factors influencing officicncy for polishing, pastes, 50, 579/1. rust protection, 50, 85/i; from powders, gluo vehicles, 50, 890/1 ; cadmium sulphato solns., effoct of mnnuf., 50, 573/1. P a , c.d., and tomp. on crystal size properties, 50, 183/1. of deposit, current efficiency and residues, working up, 50, 510/1. electrodo efficiency ratios, 50, 662/1; sawing, 50, 118/1. on aluminium and Duralumin, 50, scrap, removal of antimony, 50, 5204. 669/1 ; on fiat blanks boforo forming, shrinkage, theory, 50, 13/1. 50, 563.4 ; on iron and steel castings, special, 50, 426/1. 50, 176/1, 314/1 ; stability of cyanide statuary, artificial green patina, 49, solns., 50, 2 4 7 4 ; stability of solns., 160; casting, 50, 126/1. 50, 314/1. Sumerian, microstructuros, 48, 97; deposits, colouring, 50, 192/1, 504/1, nickel in, 48, 105, 108. 706/1 ; compared with zinc deposits swords, evolution, 50, 204/1. for protection of steel, 50, 450/1; symposium, 50, 462/1 (review). factors affecting efficiency as rust Taurus. See Taurus bronzes. preventive, 50, 235.4; protective tensile properties of rods at low temps., valuo, 50, 32/1; protectivo valuo for 50, 431/1. wire products, 50, 85-4; relative trade names, 50, 15/1. valuo of zinc and, as protective transmission wires, tonsilo properties, coatings, 50, 439/1; resistanco to 50, 657A. sea-water, 50, 712.4. uses, for street ornaments, &c., 50, diffusion into copper, 50, 470/4. 378.4; in railway work, 50, 52/1; electrical conductivity of singlo crystals, in sugar and confectionery industries, 50, 596/1. 50, 569.4. electrical resistance, change under hydro­ welding, 50, 501/1; of extruded sections, static pressure, 50, 422/1; for temps, 50, 697.4. below 90° K ., 50, 726/1. wire, bending capacity, 50, 431/1; for estimation, gravimetric, 50, 554.4 ; in telephone and telegraph purposes, 50, cadmium cyanido baths, 50, 675/i; 376.4. in copper, 50, 488/1. Bronzing, book, 50, 333/1. estimation of zinc, rapid, 50, 677/i. Broternal, properties, 50, 301.1. extrusion pressure, minimum, 48, 51. B.T.G. alloy, 50, 185.4. films, electrodeposition, 50, 565/1 ; Buffing (seo also Polishing), registration of cathodo rays, 50, wheels, data, 50, 505.1; preparation, 292.4. 50, 388.4. fluidity, pressure of, 48, 53. Buffing of— hydrogen overvoltage, 50, 452.1. Chromium plating, 50, 193.1. poisoning, history, 50, 648/1. Burnishing, tools, 50, 769/1. rolling structure, 50, 35/1, 553.1. separation of copper, 50, 366.4. single crystals, elect, conductivity, 50, Cables, 596/i; scleromctric hardness, de­ high-tension, joints, insulation, 50, 764.1. crease duo to adsorption of active high-voltage, theory and practice, 50, substancos at surface of contact, 50, 322/1. 5.4 ; thermal conductivity, 50, 596/1. jointing, book, 50, 717/1. thermal conductivity, at high temps., low-voltage, theory and practice, 50, 50, 4/1; of singlo crystals, 50, 322/1. 596/1. overhead, comparison of materials, 50, uses, 50, 455/1. 320.4 ; freely-swinging, stresses, 50,Cadmium-aluminium alloys, constitution, 174.4. 50, 151/1. Subject Index 807

Cadmium amalgams, Caesium (soo also Alkali metals), heats of soln., boats of formation and atomic weight, 50, 00/1. free energies of formation, 50, 12/1. bibliography, pamphlot, 50, 1374. metallography, 50, 124. electrical resistance, chango undor hydro­ transport numbers, 50, 353.-1. static pressure, 50, 422/1. Cadmium-antimony alloys, history, pamphlot, 50, 137/1. CdSb, existence, 50, 3544 ; oxistenco of isotopic constitution, 50, 00.1. 2 modifications, 50, 440.4. markets and prices, pamphlet, 50, 137/1. crystal structure, 50, 440,1. producers and dealers, 50, 1374. magnetic susceptibility, 50, 354.4. production, pamphlet, 50, 1374. Cadmium-brasses, 50, 538.1. reaction products on graphite structure, Cadmium-copper alloys, 50, 016.<1. corrosion of wire, 50, 4794. separation, by isoamyl alcohol, 50, density, 50, 1524. 3094. electrical resistance, 50, 152.4 ; tomp. uses, 50, 1374, 455/1. cooff., 50, 152/1. Calcium, Hall effect, 50, 152.4. as bismuth eliminator, 50, 349.1. specific heat, 50, 152.1. as degasifying and reducing agent, 50, thermoelectric power, 50, 1524. 3494. wires, hard-drawn, for overhoad trolley as deoxidizer, 50, 349.4. purposes, field tosts, 50, 377.4 ; detection, 50, 874. manuf. and properties, 50, 472.4. electrical resistance, chango undor hydro - Cadmium-gold alloys, constitution, oloctro- static pressure, 50, 1224. chom. study, 50, 728.-1. estimation, 50, 442.-1 ; quant., with Cadmium-lead alloys, boiling point curves, picrolonic acid, 50, 167/1. 50, 736/1. production, 50, 349/1. Cadmium-lead-antimony alloys, boaring properties, 50, 3494. properties, 50, 17.1. separation from magnesium by sodium Cadmium-lead-nickel alloys, tungstato, 50, 442/1. age-hardenable, 50, 290.4. uses, 50, 349.4, 497.-1. solid solubility of NiCd„ 50, 200.4. Calcium-beryUium alloys, 50, 2954. Cadmium-magnesium alloys, Calcium-bismuth alloys, constitution, 50, boiling point curves, 50, 730/1. 124. chemical properties, 50, 604.4. Calcium-lead alloys, electrical conductivity, 50, 10/1. bearings, 50, 3494. equilibrium diagram, 50, 001.4. cable-sheaths, 50, 3494. heat-treatment, 50, 004.4. Calcium-magnesium alloys, Lorenz number, 50, 10/1. chemical properties, 50, 604.4. physical properties, 50, 604.-1. equilibrium diagram, 50, 004-4. thermal conductivity, 50, 10-4. heat-treatment, 50, 004-4. Cadmium-mercury alloys, superconduc­ physical properties, 50, 6044. tivity, 50, 4754. Calcium-sodium alloys, equilib. diagr., Cadmium-silver alloys, 50, 0014. electrodeposited, chango in reflecting Calorimeters. See Laboratory apparatus. power caused by tarnishing, 50, Calorizing, 50, 300/1., 763.4. 994. for protection of piping, 50, 089/1. eutectoid, tempering and annealing, 50, new method, 50, 84.4. 256/1. Canada, properties, 50, 476.4. aluminium industry, 50, 2764. Cadmium-silver-antimony alloys, con­ Empire Mining and Metallurgical stitution, 50, 430.4. Congress, 50, 2024. Cadmium-silver-zinc alloys, properties, 50, manufacturers, index, 50, 2814. 4704. Carbides, Cadmium-strontium alloys, crystal structure, 50, 33/1. constitution, 50, 157/1. metal, equilibrium investigations, thesis, hardness, 50, 1574. 50, 7824. preparation, 50, 1574. superconductivity, 50, 352.4. specific gravity, 50, 1574. Carboloy (see also Tungsten carbide), Cadmium sulphides, thermochemistry, 50, cutting tools, grinding, 50, 705/1 ; use 0014. by White Motor Co., 50, 7054. Cadmium-thallium alloys, magnotie sus­ Carbon dioxide, ceptibility, 50, 3544. indicators. See Laboratory apparatus. Cadmium-tin ’ alloys, equilib. diagr., 50, solid, temps, reachod with, 50, 680-4. 2134. Carbon monoxide, absorption by metals, Cadmium-zinc alloys, 50, 470^1. boiling point curves, 50, 730.4. Carborundum. Seo Ilefractory materials. deposition, barrel, 50, 474. Cartridge cases, cannon, manuf., 50, 7674. magnetic susceptibility, 50, 354.4. Castability of— Cadmium-zme-copper alloys, deposition Alloys, 50, 329.4, 708.4. from cyanide baths, 50, 2474. Pure metails, 50, 3294. 808 Subject Index

Casting (see also M oulding, &c.), Casting of— bottom pouring hand ladle, 50, 127/1. Zinc alloys, 50, 331/1. centrilugal. Sco Centrifugal casting. Castings, contraction, danger, 50, 389/1. cleaning, 50, 128/1, 263.4. defects, 50, 194/1, 770/1. for high-temperature high-pressure die-. Sec Die-casting. service, considerations and tests, 50, gates and risers, 50, 121/1. 814, 737/1. gravity. See Die-casting. gases in, 50, 352/1. in Erichsen moulds, 50, 580.4. heavy, moulding and pouring, 50, 389/1. in vacuum, 50, 197/1. macrostructure, effect of " turbulence permanent-mould. See Permanent mould duo to gases, 50, 352/1. casting. polishing, 50, 2634. pipes, formation, 50, 389/1, 770/1. porosity tests, 48, 292, 293. pores, formation, 50, 3894, 7704. radiology. See Radiology. pouring, theory of rate of cooling in, 50, sand-blasting, 50, 128/1. 580/1. testing, 48, 273 (Paper and General pressure. See Die-casting. D iscussion); 50,313/1. risers and lost heads, 50, 506/1. volume changes, 50, 770/1. running qualities of metal, detn., 50, Cathode rays, 124/1, 329/1. registration by thin films of metals and Casting of— metal compds., 50, 292.-1. Aluminium, avoidance of porosity, 50, scattering by crystal surfaces, 50, 5074 ; ingots for rolling, pouring 6734. practice, 50, 1944 ; precautions, 50, Cathode sputtering. See Sputtering. 507/1 ; removal of gases, 50, 507/1 ; Celtium. Seo H afnium . rolling billets, 50, 580/1 ; shoe lasts, Cementation, 50, 729/1 (seo also Diffusion). 50, 330/1 ; strip for rolling, 50, 195/1. book, 50, 457/1. Aluminium alloys, 50, 1024, 1244, Cementation of— 291.1 ; offect of pouring temp., Iron and steel by chromium, 50, 014/1. method of cooling and dissolved Cements, gas, 50, 195/1, 5 8 0 4 ; mincing metallic, 50, 186/1. machines in chill moulds, 50, 930.-1; refractory. See Refractory materials. pots nnd kottles, 50, 1254. Centrifugal casting, 50, 267/1. Aluminium-brass, improved method, 50, effect on grain-size, 50, 391/1. 5384. Centrifugal casting of— Aluminium-“ bronzes,” 50, 1254, Bronze, 50, 7114. 602.4 ; precautions, 50, 204^1. Delta metal, 50, 711/1. Aluminium-copper alloys, efToct of Lead-bronze, 50, 7114. modifiors, 50, 330/1. Red brass, 50, 711/1. Artistic metal work, 50, 3304. Cerium, Babbitt metal, 50, 2664.. bibliography, pamphlet, 50, 137/1. Bearings (lead-freo) by injection method, history, pamphlet, 50, 137A. 50, 508/1. occurrence, 50, 137/1, 290/1. Bells, 50, 2054. preparation, 50, 290.4. Brass, 50, 772/1; doep etching applied properties, 50, 137/1, 2904. to gating problems, 50, 2054 , 7094. ; uses, 50, 4554. practical hints, 50, 7094. Cerium-magnesium alloys, Bronze, 50, 772.1 ; cylinders, 50, 264/1 ; chemical properties, 50, 004/1. decorative work, 50, 330/1. electrical conductivity, 50, 104. Constantan, failures, 50, 4734. equilibrium diagram, 50, 604/1. Copper-nickel alloys, 50, 1254. heat-treatment, 50, 6044. Elektron, 50, 154/1, 507/1; removal of Lorenz number, 50, 10.4. noxious gases, suction apparatus, physical properties, 50, 6044. 50, 5084. thermal conductivity, 50, 104. Magnesium alloys, 50, 507/1, 709.1. Cerium mercuride, 50, 540.4. Monel metal, 50, 19.4, 200.-1 . Chamotte. See Refractory materials. Nickel, 50, 2664, 581/1. Cheese, effect of metals, 50, 6604. Nickel-brasses, 50, 265*4, 709.-1 ; thill- Chemical engineering, walled articles, 50, 330/1. catalogue, 50, 4064. Nickel-bronzes, 50, 709/1. catalogue of American industries, 50, Pistons, 50, 771/1. 287/1 (review). Platinum in vacuum, 50, 197.1. Chemical industries, Silumin, 50, 330/1. British, history, book, 50, 287/1 (review). Silver, 50, 2664. corrosion and other problems in use of Silver-copper alloys, 50, 266.1. metals at high tomps., 50, 531^1. Silver-copper-nickel-zinc alloys, 50, Chemical plant, 6064. materials for, 50, 323/1, 704A. Strip ingots, mould materials for, 49, metals and alloys in, book, 50, 457/1, 203 (Paper). Chemical properties. See under Specific Zinc, 50, 331/1 ; rods, 50, 581/1. properties. Subject Index 809

Chemical technology, book, 50, 4614 Chromium, {review). in U.S.A., 50, 954 ; influonco of cath­ Chemistry, ode metal, 50, 954 ; lead and load- analytical. Seo Analysis. antimony anodes, 50, 954, 7584 ; applied, progress, report of Soc. Chem. list of patents, 50, 464 ; magnesium Ind., 50, 208/1, 416/1 (review). sulphate nickel bath for undercoats, bibliography of bibliographies, 50, 4074. 50, 95/1 ; occupational risks, 50, book, 50, 7174. 4934 ; on aluminium and its alloys, calculations, books, 50, 4054, 5264. 50, 964, 1774, 4494, 5634, 6814 ; constants, tables, 50, 4044. on aluminium, Perma-Chromo pro­ encyclopaedia, 50, 4584. cess, 50, 4924 ; on automobilo handbook, 50, 6564 (review), 7174. crankshafts, pistons, &c., 50, 5324 ; history, book, 50, 614. on brass, tarnishing of deposits, 50, industrial, books, 50, 604, 4034. 1774 ; on common metals and alloys, inorganic, book, 50, 614. 50, 4494 ; on elect, appliances, 50, of metals, book, 50, 1334. 5644 ; on gauges, 50, 4924, 6814 ; physical, books, 50, 614, 1404. on glass moulds, 50, 5634 ; on light reference book, 50, 2064. metals, 50, 454 ; on rollod zinc and China, coins, anciont, analyses, 50, 1524. zinc dio-castings, 50, 994 ; on silvor, Chlumin, proporties, 50, 114, 124, 2214, 50, 964, 1774, 6294 ; on stool dies, 4254 , 6614. 50, 5634 ; on steel for woar-rosist- ChrogoTJ42, eorrosion-resistance, 50, 7394. anco, 50, 964, 4494 , 5634 , 75 8 4 ; Chromite. Seo Refractory materials. on steel rolls, 50, 5634 ; on zinc, Chromium, 50, 37 14; on zinc shoot, 50, 56 34; action of beer, 50, 6094. porosity of deposits, 50, 324 ; possi­ action of fruit juices, 50, 3764. bility of use of chromium anodes, 50, cementation of iron and steel, 50, 6144. 6814 ; practice and theory, 50, deposition, 50, 4504, 4924, 6294, 1764 ; prepn. of articles for, 50, 6304 ; advantages and limitations, 954, 5644, 578/1 ; propn. of thick 50, 3714 ; analysis of baths, 50, deposits free from fissures and pores, 4924 , 6304 , 6314; anodes and 50, 3714 ; present position, 50, auxiliary anodes, 50, 448/1 ; at high 964 ; production methods, 50, 5634 ; c.d., 50, 1774 ; automatic equipment, prodn. of good deposits, 50, 954 ; 50, 5644 ; bibliography, 50, 7594 ; protective covering layer on surfaco books, 50, 4064, 4644 (review), of bath, 50, 4494 ; removal of fumes 5264, 6544 (review), 7144, 7174 ; from bath, 50, 4494 ; skin diseases bright plating ratio, 50, 3144, 3714 ; caused by uso of protective coatings chem. and phys. actions in bath, on surfaco of bath, 50, 6814 ; status, 50, 6294 ; cnomistry of process, 50, 50, 75 84; Stella soln., 50, 37 14; 1764; cooff. of metal distribution, thick doposits, 50, 464 ; throwing 50, 31 4 4 ; cost calculations, 50, power of baths, 50, 454, 448/1, 68 14; deposits free from fissures 6824. and pores, 50, 1764, 4494 ; derma­ deposits, as protection against corrosion- titis caused by uso of “ Chrom- fatigue, 50, 3144 ; buffing, 50, 1934, protekt ” coating on surface of bath, 5644 ; fissuro- and poro-freo, from 50, 6814 ; design of equipment, 50, “ Kr ” bath, 50, 4494 ; on brass, 5644; dotn. of sulphuric acid in tarnishing, 50, 954, 1774 ; on plug baths, 50, 464, 6314 ; difficulties, gauges, resistance to wear, 50, 964 ; 50, 954 ; durable bright finish, 50, porosity, 50, 324, 4494 ; proporties, 3704 ; effect of addns. to bath on 50, 5644 ; protective value, 50, 854 ; hardness of deposits, 50, 177/1 ; tests, 50, 854 ; versus stainless steel, electrostatic distribution, 50, 3714 ; 50, 3614. experiences, 50, 454 ; Fescol process, detection, in acid solns., 50, 874 ; 50, 68 24; for woar-resistance, 50, spectroscopic, 50, 6204. 4494 ; from aqueous chromic acid die-casting, elect, rotors, 50, 7744. solns., theory, 50, 3704 ; from diffraction patterns, 50, 7474. chromic acid solns., limits of rational electrolytic, thermal expansion, 50, current yield, 50, 4484 ; from “ Kr ” 1464 ; throo crystallino modifications, bath, fissure- and poro-froo deposits, 50, 954. 50, 4494 ; from tervalent chromium estimation, in Ni—Cr, Ni-Cr—Fo and salt solns., 50, 7584; “ high acid” Ni-Cr cast-iron, 50, 5544 ; iodo- process, 50, 6814 ; high c.d. metric, 50, 1674 ; of nickel and, in problems, 50, 3144, 6824 ; his­ same soln., vol., 50, 1684 ; vol., 50, torical survey, 50, 954; hydrogen 4444. in deposits, 50, 6294 ; hygienic ad­ evaporation, 50, 5964. vantages of “ Chromprotekt ” coat­ ferro-. See Ferro-chromium. ing on surface of bath, 50, 6814 ; hardness, 50, 674 ; as determined by improving durability of plate, 50, Vickers-Brinell, Biorbaum and Molis 454 ; in glass industry, 50, 6294 ; methods, 50, 3384, 7224. installation of equipment, 50, 5644 ; melting point, 50, 7284. 810 Subject Index

Chromium, Chromium-nickel-iron alloys, passivity, 50, 4954, 782.1. constitution, 50, 184. -plated cooking utensils, action of fruit corrosion by milk, offects of operating juicos, 50, 3764. conditions in various parts of pas­ -plated gauges, grinding, 50, 5794. teurizing oquipmont, 50, 4354. -plated paper mill equipment, advan­ dilatometric study, 50, 134 , 3494. tages, 50, 183.4. electrical resistors for high tomp. -plated wood planer knives, 50, 508.4. sorvico, 50, 006.4. poisoning, 50, 400.1. for clectrical heating elements, drawn review, 50, 690.*1, 719.4. or rolled, A.S.T.M. tentative specifica­ separation from iron and nickel, 50, tions, 50, 1074 , 4224. 1074 ; of vanadium, 50, 3114. properties, 50, 2984 , 4754 ; effect of thermal expansion of olectrolytic, 50, temp., 50, 5404 , 5414. 140.4. report of A.S.T.M. ctteo., 50, 2954, uses, 50, 3764. 4754. Chromium alloys (see also Ascafoy, thermal expansion, 50, 1554. Enduro, &c.), uses, 50, 2984. corrosion by milk, 50, 3024. Chromium-nickel-iron-carbon alloys, con­ solid solutions, dilute, magnotio pro­ stitution, 50, 774, 2954. perties, 50, 6054. Chromium-platinum alloys, ferromagnetic, welding, 50, 1134. 50, 5424. Chromium-aluminium alloys, 50, 2944. Chromprotekt, 50, 0814. casting, 50, 2944. Cider, action on Monol metal, 50, 3034. corrosion by soa-wator, 50, 6004. Cilum process, for protection of aluminium properties, 50, 2944. alloys, 50, 1024. Chromium-aluminium-iron alloys, con­ Clays. Soo Refractory materials. stitution, 50, 000.4 . Cleaning (soo also Degreasing), Chromium-carbon alloys, constitution, 50, 50, 5054, 5784. 7284. book, 50, 0544 (review). Chromium chloride, oloctrolysis, 50, 0304. Bullard-Dunn process, 50, 1214. Chromium-cobalt alloys, equilibrium chemical reactions, 50, 7064. diagram, 50, 1514. electrochemical, Bullard-Dunn process, Chromium-cobalt-tungsten alloys. Soo 50, 7084. Stellilc. electrolytic, 50, 3284 ; unusual appns., Chromium-iron alloys (see also F e r r e - 50, 3284. chromium), equipment, 50, 7074 ; heat lossos, 50, constitution, 50, 134, 3494, 5364. 1924. deposition, 50, 904. lor enamelling, 50, 1924. lattice constants, 50, 105.4. materials, effect of impurities, 50, 1214. mechanical properties, 50, 3494. new process, 50, 7074. report ol A.S.T.M. cttoo., 50, 2054, solutions, alkali, 50, 5054 ; buffer 4754. action, 50, 7074 ; dotn. of conduc­ thermal expansion, 50, 155.4. tivity, 50, 3284 ; hoavy-duty, 50, x-ray investigation, 50, 134, 1044, 707A ; maintenance and life, 50, 349.1. 1214. Chromium-iron-carbon alloys, constitu­ tanks, construction, 50, 1214 ; lining, tion, 50, 7284. 50, 484. Chromium-nickel alloys (seo also Vicro- Cleaning of— metal), Castings, 50, 1284, 2634. bibliography, 50, 4754. Cleanliness, tests, 50, 7064. constitution, 50, 184. Clips, bonding, dies for, 50, 7674. corrosion by milk, 50, 3024. Coal(s) (see also F uels), corrosion-resistance, to gases, 50, 4304 ; analysis, 50, 3954 ; rational, 50, 3944. to gases, effect of addn. of aluminium, breakage, prevention, 50, 2724. 50, 436.1. classification, 50, 6444. electrical resistors for high temp. examination, 50, 3944. service, 50, 6004. heat value, calculation, 50, 7774. ferromagnetism, 50, 7334. nomenclature, 50, 644.1. fogging, freedom from, 48, 123, 138. pulverized, appn. to metallurgical in­ for electrical heating elements, drawn dustries, 50, 2 7 1 4 ; firing, book, 50, or rolled, A.S.T.M. tentative specifica­ 7834 ; firing, Gyro systom, 50, tions, 50, 1074, 4224. 2724 ; indust. appn., 50, 2724 ; manufacture, 50, 1554. progress, 50, 3944 ; standardization melting by use of hydrogen gas, 50, of installations for non-ferrous 5084. plants, 50, 269.1 ; uso in Canadian properties, 50, 298.1, 4754. nickel smelter, 50, 2724. thermal expansion, 50, 1554. report of A.S.T.M. cttoo., 50, 3954, uses, 50, 2984. 5124. valve seatings, 50, 692.1. sampling, 50, 2724, 3944. welding, 50, 544 , 3844. standardization, progress, 50, 6444. Subject Index 811

Coal(s), Cobalt-iron alloys, terms relating to, tentative revisions equilibrium diagram, 50, 224.4. of A.S.T.M. standard definitions, 50, Joule magnetostrictive effect in rods, 50, 273/1. 729/1. volatile matter, dotn., 50, 273.-1. magnetic properties at high temps., 50, Coating ot metals. Soo Deposition, Gal­ 595/1. vanizing, Spraying, Tinning, &c. Cobalt-manganese alloys, equilib. diagr., Coatings. Seo Deposits. 50, 224.4. Cobalt, Cobalt-nickel alloys, allotropie transformation, mechanism, deposition, 50, 176.4. 50, (315/1. equilibrium diagram, 50, 224.4. allotropy, 50, 210.1. Cobalt-nickel-iron alloys (soo also Per- bibliography, 50, 640/1. minvar), Chemistry, books, 50, 410.-1 (review), mechanical properties at high tomps., 525/1. 50, 18/i, 79/1. Crystal structure of olectro-deposits, Cobalt sulphate, transference numbor, 50, effect of H-ion concn., 50, 031/1. 453/1. crystals, mosaic structure, 50, 745/1. Cobalt-tungsten alloys, deposition, offoct of H-ion concn. on age-hardening, 50, 601.-1. crystal structure of deposits, 50, 631/1. constitution, 50, 601.-1. deposits (electro-), crystal structure, Coffee, action on motals, 50, 740.4. infiuonco of H-ion concn., 50, 631/1. Cohesion, 50, 617/1. detection, 50, 365/1 ; in prosonco of determination, 50, 754/1. elomonts of Group III, 50, 166/1. theory, mathematical, 50, 467/1. diffraction patterns, 50, 747/1. Coinage, electrical resistance,change under hydro­ Chinese, anciont, analyses, 50, 152/1. static prossuro, 50, 422/1. silver. Soo Silver alloys. electrode potential, 50, 684/1. Coke (soo also Fuels), estimation, as sulphide, 50, 39/1 ; colori­ breakage, prevention, 50, 272.4. metric, alono and in prosenco of definition, 50, 512.1. nickel, 50, 88/1 ; oloctrolytic, 50, 88/1 ; examination, 50, 394/1. gravimetric, 50, 554/1 ; in ammoniacal heat value, calculation, 50, 777.4. soin., microoloctrolytic, 50, 443/1 ; metallurgical, possibility of manuf. from quant., by filtration method, 50, Rumanian coal, 50, 777.4. 620/1 ; uso of zinc oxido, 50, 88/1. removal of sulphur, 50, 643.4. films, electro-deposited, magnotio pro­ report of A.S.T.M. cttee., 50, 395.4,512/1. perties, 50, 594.-1 ; eloctrodeposition, sampling, 50, 394.4, 512.4. 50, 565/1. standardization, progress, 50, 644.4. imports and exports, 50, 640/1. terms relating to, tentative revisions of magnetic properties at high temps., A.S.T.M. standard definitions, 50, 50, 595/1. 273/1. magnetic susceptibility in tetravalont Cold-drawn metals, innor tensions, detec­ form, 50, 146/1. tion and calculation, 50, 327/1, 387/1. magnetization of single crystals at high Cold-drawn tubes, structure, 50, 191/1. temps., 50, 146.4. Cold-drawn wire, lattico distortion, 50, metallurgy, 50, 640/1. 191/1. occurrence, 50, 640/1. Cold-heading, materials, 50, 259.4. ores, discovery in Westphalia, 50, 276A. Cold-rolled metals, photoelectric emission, 50, 21 Co­ bending qualities, relation of crystal production, 50, 640/1. orientation, 50, 735/1. separation, 50, 620/1. internal stress, 50, 729*4. single crystals, magnetization at high lattice distortion and orientation, 50, temps., 50, 1-4, 146/1. 672.4. specific heat, dependonco on temp., 50, Cold-rolling, 726/1. modern standards, 50, 189.4. tetravalent, magnotic moment, 50, 146/1. strengthening by, 50, 6.4. thermionic emission, 50, 210/1. Cold-rolling of— transformation, 50, 338.4. Constantan, rate of prodn. of lattico uses, 50, 376/1, 640/1. distortion and preferred orientation, valence, book, 50, 652/1. 50, 672/1. Cobalt-aluminium alloys, Copper, rate of prodn. of lattice distor­ equilibrium diagram, 50, 224/1. tion and preferred orientation, 50, equilibrium relations, 50, 221/1. 672.4. Cobalt-carbon alloys, Mumetal, rato of prodn. of lattico dis­ equilibrium diagram, 50, 224.-1. tortion and preferred orientation, 50, shrinkage on solidification, 50, 226/1. 672.1. Cobalt-chromium alloys, equilibrium Nickel, rato of prodn. of lattice distor­ diagram, 50, 151/4. tion and preferred orientation, 50, Cobalt-chromium-tungsten alloys. See 672/1. Stellite. Strip, Steckol process, 50, 189/1. 812 Subject Index

Cold-work, Condenser tubes, effect of magnetic susceptibility, 50, aluminium-brass. Seo Aluminium - 1164, 1504. brass. effect on properties, 50, 74, brass. Seo Brasses. effect o£ specific heat, 50, 8.-1 . corrosion, 50, 1604, 1834, 3004 , 3044, recovery from, estimated according to 3774, 7384. change in hardness and rate of for steam turbines, alloys for, 50, 3774. dissoln., 50, 5974; on annealing, internal surfaces, instrument for in­ 50, 7254. spection, 50, 6794. Cold-worked metals and alloys, tensilo Muntz metal. See Muniz metal. properties, calculation from Brinell protection, 50, 3004. hardness, 50, 64. Conductivity, Cold-working, hooks, 50, 2834, 4134 electrical. Seo Electrical conductivity. (review). super-. Seo Supercoiuluctivity. Colouring, 50, 3284. thermal. See Thermal conductivity. black oxidized finish, 50, 7054. Conductors. Seo Cables. book, 50, 4094 (review). Constantan, old-silver finish, 50, 1204. casting, failures, 50, 4734. oxidized silver finish, 50, 1204. cold-rolling, rate of prodn. of lattico Colouring of— distortion and profcrrod orientation, Aluminium and its alloys, 50, 120/1, 50, 6724. 2624, 3604 ; Alumilito process, 50, electrical properties, 50, 4734. 2624 ; by plating, dyeing and electrical resistance, change with temp., oxidizing, 50, 5774 ; foils, 50, 1924 ; A.S.T.M. tost for dotn., 50, 914. Metso, 50, 7064 ; Sheppard process, manufacture, 50, 4734. 50, 5774. mechanical properties, 50, 4734. Brass, brown, 50, 2624. melting, 50, 4734. Cadmium doposits, 50, 192-1, 5044, photoelectric efficiency in extreme ultra­ 7064. violet, 50. 2214. Copper, 50, 4394, 5 7 7 4 ; brown, 50, rolling, 50, 4734. 2024. wire, cold-drawn, lattico distortion, 50, Copper alloys, researches on potassium 1914 ; stretched, crystal lattico dis­ permanganate-copper sulphate pickle, tortion, 50, 6174. 50, 7064. wire-drawing, 50, 4734. Foils, 50, 1924. Constructal, Gold, 50, 5044. chemical properties, 50, 2234. Iron, 50, 5044. elastic properties, offcct of tomp., 48, Protective coatings on aluminium and 255. its alloys, 50, 1924, physical properties, 50, 2234. Silver, 50, 5044. workshop practice, recommendations, Steel, 50, 5044. 50, 2234. Tin foils, 50, 1924. Contact e.m.f. between metals, 50, 724. Tin-lead foils, 50, 1924. Contact potential differences, moasuroment, Columbium, 50, 5984. analysis, spectroscopic, cathode-ray Contact-resistance between super- and method, 50, 2404. non-superconductors, 50, 3444. atomic weight, 50, 5964. Contacts, lattice constants, 50, 1654. between metal and semi-conductor, separation of tin, 50, 3664. oloct. and photoolect. properties, 50, uses, 50, 4984. 2934. Compounds, intermetallic. See TnUrmctal- electrical, metal transfer in, 50, 6044. lic compounds. with very thin film of impurity, 50, Compressibility, coefficient, calcn. of 6254. characteristic frequency from, 50, Contracid, 50, 1854. 714. Contraction. Seo Volume changcs. Compressibility of— Copper, Lead at elevated temperatures, effoct action in glass tanks, 50, 1834. of small % of certain metals, 50, action of beer, 50, 6094. 4664. action of coffee, 50, 7404. Compression fittings, 50, 1094. action of tea, 50, 7404. Compression fluidity, 48, 48, 59. analysis, book, 50, 594. Compression strength of— ancient, Chineso soismoscopo, 50, 5204 ; Elektron, 50, 1544. from Ur, 50, 5204 ; from Zimbabwe Concrete, ruins, 50, 5204; Sumerian bar in corrosion of metals by, 50, 1614. British Museum, 50, 649/1, 6574. spraying with metals, 50, 3234. annealing, bright-, 50, 5704; bright-, Condenser tubes, in olect. fumaco, 50, 6944 ; of cold- Admiralty, seamless, revisions of worked, variation of dimensions A.S.T.M. standard specifications, 50, produced, 50, 3234 ; of wire, funda­ 3214. mentals, 50, 534. Subject Index 813

Copper, Copper, annealing furnaces, bright-, gas-fired, operating conditions in various parts 50, 5824, 7704. of pasteurizing oquipment, 50, 4354 ; anodic polarization in aqueous solns., by petrol and motor benzines, 50, 50, 0104. 5444 ; by phosphoric acid, 50, 4344 ; arsenical, creep tests at 300° and 350° C., by sea-water, 48, 109; by sea-water, 48, 89 ; tensile and compression tests effect of arsenic, 48, 113, 119; by under short-time loading, 48, 69. sulphuric acid, 50, 4344 ; by vinogar, atomic heat, 50, 2164. 50, 6674 ; by well water, 50, 3554 ; bars, for windings of olect. machines, influence of foreign motals on rato of British Standard specifications, 50, dissoln., 50, 7404 ; of brewery plant, 3334, 3674. 50, 274 ; of pipes, olectrolytic, 50, bismuthiferous, properties, 50, 2894. 3554 ; of singlo crystals, velocity of black brittleness, 49, 244, 245, 240. dissoln. of different faoos, 50, 3014 ; blister, refining, removal of antimony, of tinned and soldered shoots, atmo­ 50, 2044. spheric, 50, 3554, 66 64; open- boilers, 50, 3234. valloy flashings, 50, 6084. book, 50, 614. corrosion-fatigue, 50, 424. brazing of water tanks, 50, 3834. cracking of sheet in hot-bonding tests, brewing vessels, cleaning, warning 50, 3384. against use of antiseptics, 50, 5474; creep tests at 300° C. and 350° C., 48, corrosion, 50, 274. 89 (Paper). brittleness, 48, 311. crystals, mosaic, 50, 67 14; prodn. of burnishing, 50, 5774. specific tensions by stretching, 50, bus-bars, joining, 50, 1104. 2914. cast, report of A.S.T.M. cttoe., 50, deformation, speed in relation to, 50, 3214, 4974. 5744. casting of tougli-pitch, 50, 1254. deformed, softoning, 50, 64. castings, dogassing b y lithium, 50, 5944. degassing by lithium, 50, 5944. cathode, linear rate of crystn. in electro­ density, effect of torsion, 50, 6594. lysis of copper sulphate, 50, 6364. deoxidation, 50, 5 9 4 4 ; with beryllium, characteristic frequency, 50, 714. 50, 5804 ; with calcium, zinc, beryl­ chromium-plated, corrosion by milk, 50, lium, barium, strontium, and lithium, 3024. 50, 5804, 7714. cold-heading, 50, 2594. deposition, control of cyanide baths, cold-rolled plates, internal stress, 50, 50, 964, 2474 ; dotn. of copper in 7294. solns., 50, 994 ; detn. of thickness of cold-rolling, preferred orientation pro­ deposits by nomograms, 50, 6824; duced by, 50, 1644 ; rato of prodn. from cyanide solns., 50, 6314 ; in of lattico distortion and preferrod form of shoot, 50, 6314 ; in form of orientation, 50, 6724. tubos, 50, 6314 ; in presenco of gum cold-worked, hardness, 50, 4 6 5 4 ; arabic, 50, 6824 ; tensions of deposits, lattico arrangement, 48, 328; varia­ 50, 4514 ; throwing power of solns., tion of dimensions produced by 50, 6824. annealing, 50, 3234. deposits, arrangement of micro-crystals, colouring, 50, 4394, 5774 ; brown, 50, 50, 6164 ; producod in presenco of 2624. gelatine, crystal structure, 50, 864 ; commercial, properties at high tomps., producod in presence of gum arabic, 49, 237 (Paper). growth of electrolytic striations, 50, commutator bars, for oloct. purposes, 6824. British Standard specification, 50, diffusion into gold, rate, 50, 3394. 3334, 3764. diffusion of cadmium, 50, 4704. compression fluidity, 48, 48, 56. early metallurgy, 50, 7804. compression tests undor short-time effect of arsenic, 50, 4004. loading, 48, 69. effect of cadmium, 50, 4724. consumption, 50, 3764. effect of lithium, 50, 5944. contamination of water, 50, 3554. electrical conductivity, 50, 6584. corrosion, 50, 254 , 4344 ; atmospheric, electrical resistance, change under hydro­ 50, 284; atmospheric, artificial static pressure, 50, 4224 ; effect of prodn. of green patina, 49, 153 torsion, 50, 6594 ; of crystals at (P aper) ; atmospheric, rapid develop­ temps, below 90® K,, 50, 7264 ; of ment of patina, 50, 6664 ; by alkaline molten, 50, 1524. solns., 50, 4364 ; by boor, 50, 2294 ; electrolysis at Tin Works Wilhehns- by distilled water and salt solns., burgh G.m.b.H., 50, 1004. prevention by addn. of sodium di- electrolytic extraction from low-grado chromate, 50, 3584 ; by hot vapours materials, 50, 4944. of cracked petrol, 50, 2304; by embrittlement, 50, 7224. hydrochloric acid, 50, 4344; by enamelling of wire, 50, 2364, 7024 ; inorganic acids, 50, 6084 ; by milk, of wire, influence of nature of copper, 50, 254, 3024; by milk, effects of 50, 2364. 814 Subject Index

Copper, Copper, endurance, 50, 558A. melting, for thick castings, 50, 2644, endurance bending strength of hard- 7724; of scrap, &c., see Copper, drawn wires, 50, 2894. rem elting; use of iron and steel in endurance tests at 20° C., 49, 239; at mills, 50, 3314. elevated temps., 49, 240. melting furnaces, elect., experiences, Erichsen value, effect of rolling, 50, 50, 1314. 694. metallurgy, book, 50, 614; develop­ estimation, by fluoride-iodido method, ments, 50, 5194. 50, 4424; colorimetric, appn. of micro-crystals, electrodeposited, ar­ piperidinium, 50, 4 4 2 4 ; in am- rangement, 50, 6164. moniacal soln., microelectrolytic, 50, mineral resources, of California and 4424; in copper-zinc alloys, 50, Oregon, U.S.A., 50, 1344 ; of eastern 1684; in plating solns., 50*, 994; states of U.S.A., 50, 134*4 ; of Idaho in presence of iron, with salicylald- and Washington, U.S.A., 50, 134/1; oximo, 50, 4424 ; in steel, 50, 394 ; of Nevada, U.S.A., 50, 5884; of micro-, appn. of Spacu’s reaction, Utah, U.S.A., 50, 1344 ; of U.S.A., 50, 6754. 50, 1354. estimation of antimony, 50, 1674; molten, elect, resistance, 50, 1524. (small amts.), 50, 6744. native, arsenic in, 50, 4004. estimation of cadmium, 50, 4884. optical constants, variations, 50, 4174. estimation of iron (small amts.), 50, oxidation, by nitric acid, hydrazine as 6754. retarding agent, 50, 1494 ; in liquids, fatigue, 49, 107 ; tests in shear, 50,2114. 50, 7384. films, elect, properties, 50, 34 3 4 ; painting, 50, 4394. electrodoposition, 50, 5654 ; registra­ patina, artificial, prodn., 49, 153; 50, tion of cathodo rays, 50, 2924. 3884, 6664. flow, pressure-, at low temps., 50, 2914. permeability to X-rays, 50, 6804. fluidity, pressure of, 48, 53. pipes, heat transmission to liquids “ frictional oxidation,5* 50, 5294. flowing in, 50, 6904; use for water hard-drawn, soldering, 50, 1464. supply, 50, 3214. hardening by hammering, 50, 1104. plastic distortion, 50, 2154. hardness, at high temps., 49, 244; polishing, pastes, 50, 5794. change caused by bending, 50, 6594 ; positive ion emission, 50, 764, 2194. effect of cold-rolling, 50, 64 ; effect production, of world in 1930, 50, 1834; of rolling, 50, 694 ; increase by heavy statistics, 50, 3764. cold-working, 48, 52; of annealed, properties, at elevated temps., 50, 5294 ; 50, 2114 ; of cold-worked, 50, 4654 ; in relation to low stresses, 48, 69 relationship between ball and cone (P aper), 89 (Paper). tests, 50, 4654. protection against scaling at high temps., heat-transfer to, in annealing furnaces, Alitieren process, 50, 2344; with 50, 4564. lanoline, 49, 155. Heddernheim Works, Frankfurt, 50, refinery slimes, detn. of silver, 50, 7804. 2414. high-conductivity, prodn., 50, 1464; refining, b y series system, 50, 63 54; tensile and compression tests under developments, 50, 5194; electro., short-time loading, 48, 69. 50, 3174, 4944 ; electro-, develop­ hydrogen sickness, 50, 7224. ment at Norddeutsche Afifinerie, Ham ­ impact strength, notched-bar, 50, 4654. burg, 50, 4524, 6844; electro-, impact tests at high temps., 49, 242. formation of anode slimes, 50, 2514 ; in antiquity, 50, 4974. of blister, removal of antimony, 50, indentation fluidity, 48, 49. 2044; of native, in reverberatory industry, future, 50, 7804. furnace, elimination of arsenic, 50, lattice parameters, 50, 3624. 4004 ; recovery of precious metals, lead-coated, use in architecture, 50, 50, 3724, 6844 ; removal of selenium 3794. and tellurium, 50, 6364 ; statistics, loco, firebox plate, brittleness, 50, 7234. 50, 3764; with complex salts of loco, firebox stays, two-diameter, prodn. cuprous chloride, behaviour of anti­ at one operation, 50, 5034. mony, 50, 2504. loco, firebox stays and plates, experiences refining baths, estn. of antimony, 50, in England and Germany, 50, 674. 1674. loco, fireboxes, welding, oxy-acetylene, refining furnaces, comparison of fuels, 50, 1124. 50, 3934 ; use of magnesite bricks, loco, tube plates, welding, oxy »acetylene, 50, 1994. 50, 1124. remelting of scrap, 50, 2644, 7724. magnetic susceptibility, effect of cold- resistance to repeated stresses, 50, 6794. work, 50, 764; effect of plastic rigidity, 50, 3394; modulus, ehango deformation, 50, 6604. due to cold-working, 50, 2164. mechanical properties, 50, 2104, 4 6 5 4 ; riveting, countersunk, 50, 3824. effect of cadmium, 50, 4724. rods, for windings of elect, machines, Subject Index 815

Copper, Copper, British Standard specification, 50, of rods at low temps., 50, 4314 ; 3334, 376/1. of transmission cables, effect of short rolling, effect of Erichsen value and circuit currents, 50, 654. hardness, 50, 69.1. tensile stresses in, dependence on rato rolling mills, wire, experiences in plan­ of strain, 50, 291/1. ning, 50, 5034. tensile tests under short-time loading, rolling texture, relation to deep drawing 48, 69. properties and hardness, 50, 694. tin-plated, corrosion by milk, 50, 3024. roofing, patina on, 49, 161. tin-silicon-, tensile and compression sand-cast of highest conductivity de­ tests under short-tame loading, 48, 69. oxidized with beryllium, 50, 5804. torsion, effect on density, dimensions sawing, 50, 1184. and elect, resistance, 50, 6594. scrap, remelting, 50, 264/1, 7724. tough-pitch, casting, 50, 1254. separation, from cadmium, 50, 3664 ; transmission lines, overhead, suitability, from lead, electrolytic, 50, 6314; 50, 320/1 ; tensile properties, 50, from zinc, 50, 1684 ; in presence of 6574 ; tensile strength, effect of aluminium by 8-hydroxyquinoline, short circuit currents, 50, 654. appn. to aluminium alloys, 50, 6194. tubes, direct prodn. by electrolytic sheets, cracking in hot-bending tests, process, 50, Ô314 ; flexible, manuf., 50, 3384 ; cutting, use of compressed 50, 1914 , 3274; for domestic water nitrogen, 50, 575/1; direct prcdn. by pipes, 50, 4554 ; for water pipes, 50, electrolytic process, 50, 631/1; pre­ 1054 ; in domestic water supply, ferred orientation produced by cold- 50, 6904 ; in domestic water supply, rolling, 50, 164/1; soldered and fitting and bending, 50, 378/1 ; pro­ tinned, accelerated weathering tests, duction, 50, 554 ; use in water ser­ pamphlet, 50, 4584; tinned and vices, 50, 5684, 5694. soldered, accelerated weathering tests, uses, for fireplace hoods, 50, 3784 ; 50, 3554, 6664. for roof gutters, 50, 3794 ; for street shot, prodn., for blue vitriol manuf., 50, ornaments, &c., 50, 3784 ; in build­ 5684. ings, 50, 455/1 ; in construction work, silver-, tensile and compression tests 50, 4974 ; in food industries, 50, under short-time loading, 48, 69. 3784 ; in mixing machines, 50, silver-arsenical-, creep tests at 300° and 455/1 ; in musical instruments, 50, 350° C., 48, 89; tensile and com ­ 4974, 5694 ; in railroad electrifica­ pression tests under short-time load­ tion, 50, 3774 ; in sugar and con­ ing, 48, 69. fectionery industries, 50, 5694 ; in single-crystals, detn. of velocity of telegraphy, telephony, and television, dissoln. of different faces, 50, 3014 ; 50, 3774 ; in transport, 50, 5684. diffraction of electrons, 50, 38/1 ; valence, book, 50, 6524. diffraction of Iow-speed electrons, 50, varnishing, 50, 4394. 6164; sclerometric hardness, de­ veining or sub-boundary structures, 50, crease due to adsorption of active 6144. substances at surface of contact, 50, water-pipe, behaviour in service, 50, 54 ; solution velocities on different 1064. faces, 50, 3394. welding, 50, 5014 ; arc-, experiences, soldering, of hard-drawn, 50, 1464; 50, 257/1 ; autogenous, 50, 2574, of tubes, 50, 4994. 6974 ; bronze-, in acetic acid plant, solubility in milk, 50, 254. 50, 1884 ; gas-, effect of small sorption of gases, 50, 4174, 658.4. ad dus. in welding rods, 50, 1874 ; sorption of hydrogen, 50, 14. of boiling pans, 50, 1124 ; of brewery specific heat, effect of cold-work, 50, 84. plant, oxy-acetylene, 50, 6974 ; of statistics, 50, 3764. ehem. apparatus, 50, 2574 ; of loco, steam pipe, main, explosion as result firebox plates, autogenous, 50, 5004 ; of corrosion, 50, 7384. o f loco, fireboxes, 50, 2574 , 6974 ; strain figures on surface, new method of loco, fireboxes, oxy-acetylene, 50, to obtain, 50, 1474. 383/1, 384/1, 5004 ; of loco-tube strengthening on cold-rolling, 50, 64. plates and fire-boxes, oxy-acetylene, strip, bars and rods, for windings of elect, 50, 1124; of pipe, oxy-acetylene, machines, British Standard specifica­ 50, 1124 ; of refinery stills, 50, 544, tions, 50, 3764 ; plain dead-soft, for 3834, 7654; of sheet, 50, 18 84; of windings of elect, machines, British sheet, oxy-acetylene, 50, 7654 ; of Standard specification, 50, 3334. very thin sheet articles, 50, 3834 ; sulphide films, 50, 1504. o f wire, butt-, machine, 50, 5014 ; Sumerian, nickel in, 48, 105. oxy-acetylene, 50, 4594, 5014 : oxy- supercooling, 50, 1464. acetylene, practical hints, 50, 1874 ; tariffs, pamphlet, 50, 1364. practice, review, 50, 1124; Premag tensile properties, as function of temp., process, 50, 6974. 50, 2104 ; effect of cold-rolling, 50, wire, annealing, fundamentals, 50, 64 ; in gaseous media, 50, 2104; 534 ; bending capacity, 50, 4314 ; 816 Subject Index

Copper, Copper-aluminium alloys (see also Avialitc), brittle, masked hydrogen sickness, age-hardened, X-ray examination, 48, 50, 722/1; effect of cold-stretching 202. on plasticity at elevated temps., 50, age-hardening, 48, 197 ; effect of iron, 150/1; elastic oxtension under longi­ 48, 200, 213, 219. tudinal stress, 50, 704 ; enamelled, a solid solution, solidification, 50, 159/1. removal of enamol, 50, 648/1; casting, 50, 294/1 ; offoct of modifiers, enamelling, 50, 236/1, 702/1; for 50, 330/1. weaving, manuf., 50, 573/1 ; hard- constitution, X -ray study, 50, 344. drawn, for overhead trolloy purposos, crystal structure, 50, 344. field tests, 50, 377/1 ; influence of effect of vanadium, 50, 472/1. nature of copper, 50, 236/1; report electrical conductivity, 50, 104. of A.S.T.M. cttco., 50, 497.4 ; rolling eutectoid, tempering and annealing, 50, mills, experiences in planning, 50, 256.1. 503/1; stretched, crystal lattice dis­ hardeners, prepn , 50, 389/1. tortion, 50, 617/1. improvement, recent work, 50, 12/1. wire-bars, macrostructuro, factors con­ inverse segregation, 50, 4714. trolling, 50, 5524. Lorenz number, 50, 10.4. wire-drawing, distortion of wires on modification, 50, 330/1. passing through draw-plate, 49, 187 properties, 50, 2944. (P a p er) ; force relations, 50, 259.4 ; sand-castings, stress-elongation, stross- prodn. of bright soft wire, 50, 386/4. bending, and stress-slip diagr., 50, wrought, report of A.S.T.M. cttoo., 50, 7264 ; vibration strength, 50, 7264. 321/1, 497/1. solid solution, suporsaturatod, kinetics Copper alloys (see also Alumbro, Ambrac, of decompn., 50, 4864. 4m6ro, Avialitc, Babbitt metal, Batter- solution-potential, effoct of hoat-treat- turn, Bearing alloys, B rass, B rastil, mont temp., 50, 3544. Bronze, Corronil, Everdur, Gun-metal, thermal conductivity, 48, 37 ; 50, 10/1. Manganese-brass, Muntz metal, P.M .G. Widmanstatten structure, 50, 4854. metal, Silveroid, Waukesha metal, &c.), wire, elect, conductivity, offoct of mecli. analysis, 50, 364/1. and thermal treatment, 50, 2944 ; annealing, bright-, 50, 570/4. tensile strength, effoct of moch. and bearings, compn., 50, 428/1. thermal treatment, 50, 294/1. cast, report of A.S.T.M. cttee., 50, Copper-aluminium-silicon alloys, 321/1, 497/1. mechanical properties, 50, 222/1, 2814. colouring, researches on potassium physico-chemical investigation, 50, 6614. pcrmanganato-copper sulphate pickle, preparation, 50, 2224, 2814. 50, 706/1. wire, elect, conductivity, offoct of moch. corrosion, 50, 25.4, 355/1; by bleaching and thermal treatment, 50, 294/1 ; liquors in textile industry, 50, 435/1 ; tensile strength, effoct of moch. and by milk, 50, 302/1; by phosphoric thermal treatment, 50, 2944. acid, 50, 436/1; by sea-water, 50, Copper amalgam, prepn., 50, 6634. 479/1. Copper-antimony alloys, creep resistance, dependonco on ro- cathodic sputtering, 50, 354/1. crystn. temp., 50, 530/4; effect of constitution, 50, 4304. tin, 50, 530A. Copper-arsenic alloys, thermal conduc­ estimation of antimony (small amts.), tivity, 48, 37. 50, 674A. Copper-beryllium alloys, high-quality, manuf., 50, 730/1. bibliography, 50, 2244. in antiquity, 50, 497/1. constitution, 50, 002/1, 729/1. industrial, properties, 50, 152.4. effect of cold-work, 50, 2244. ingots, for sand-castings, A.S.T.M. eutectoid, tempering and annealing, 50, tentativo specifications, 50, 255/1, 2564. 321/1. improvement, recent work, 50, 124. molten, elect, resistance, 50, 152/1. preparation, 50, 5364. oxidation in liquids, 50, 738/1. properties on age-hardoning after principal, list, 50, 376/1. quenching, 50, 2244. properties at olovated temps., 50, 529/1. recent work, roviow, 50, 144. protection against scaling at high temps., uses, 50, 5364. Alitieren process, 50, 234/1. Copper-beryllium “ bronzes.” See C opper- resistance to repeated stresses, 50, 679.4. beryllium alloys. use, in buildings, 50, 455/1; in industry, Copper-cadmium alloys, 50, 568.4 ; in marine construction, corrosion of wire, 50, 4794. 50, 183.4 ; in sugar and confectionery density, 50, 1524. industries, 50, 569.4. electrical resistance, 50, 152/1 ; temp. wire-cloth, 50, 4554. coeff., 50, 1524. wrought, report of A.S.T.M. cttee., 50, Hall effect, 50, 1524. 3214, 497A. specific heat, 50, 1524. x-ray spectra of compounds, effect of thermoelectric power, 50, 1524. chem. compn., 50, 34.4. wire, hard-drawn, for overhead trolley Subject Index 817

Copper-cadmium alloys, Copper-nickel alloys, purposes, field tests, 50, 377.4 ; corrosion-resistance to gases, 50, 430/1. innmif. nnd properties, 50, 472.4. creep, efleet of rocrystn. temp, and Copper-cadmium-zinc alloys, deposition grain-sizo, 50, 432/1, 605.4. from cyanido batlis, 50, 247/1. deoxidation, 50, 537/1. Copper-gold alloys, diffusion coefficient, influence of temps., action oi nitric acid, 50, 739.4. 50, 291/1. action of sulphuric acid, 50, 739/1. effect of silicon, 50, 661/1. atomic susceptibility curves, deviation fatigue, 49, 107. from theoretical curves, 50, 37.4. fogging, 48, 122. constitution, 50, 72Q.4, 730/1 ; thermo­ magnetic susceptibility, 50, 18/1. dynamic study, 50, 729/1. manufacture, 50, 537/1. elastic limit, 50, 474.4. mechanical properties, roview, 50, 537.1. equilibrium diagram, 50, 476.4. melting, 50, 125A. films, lattico parameter, 50, 16/1. physical properties, roview, 50, 537/1. hardness, 50, 474.4. physico-chemical properties, roview, 50, improvement, rocent work, 50, 12A. 537/1. lattice constants, 50, 10.4. properties, 50, 77/1, 183.4; at low phase equilibrium conditions, equations, temps., 50, 19/1. 50, 353/1. rolling, 50, 537/1. single crystals, action of reagents, thermal conductivity, 48, 37. X-ray study. 50, 355.4, 480/1. thermoelectric power, variation with solid solutions, physico-chemical study, temp., 50, 664.4. 48, 312. uses, 50, 77.4, 537/1. transformations in solid state, 50 730.4. Copper-nickel-iron alloys, deposition, 50, Copper-gold-silver alloys, oquilib. diagr., 96/1, 248/1, 682/1. 50, 470/1. Copper-nickel-silicon alloys, copper-rich, Copper-iron alloys, constitution, 50, 349/1. thermal conductivity, 48, 37. Copper-nickel-silver alloys, properties, 50, thermoelectric force down to vory low 476/1. temps., 50, 422/1. Copper-nickel-tin alloys, Admiralty, high- Copper-lanthanum alloys, constitution, 50, temp, data, 50, 541/1. 153/1. Copper-palladium alloys, Copper-lead alloys, equilibrium diagram, 50, 476/1. for bearings, 50, G40/1. phase equilibrium conditions, equations, mlscibility gap, 50, 10/1. 50, 353/1. separation of 2 phases on cooling, 50, Copper-phosphorus alloys, 77/1, 152/1. thermal conductivity, 48, 37. Copper-magnesium alloys, with high phosphorus, properties, 50, age-hardening, 48, 20 2. 602/1. chemical properties, 50, 004/1. Copper-platinum alloys, oquilib. diagr., electrical conductivity, 50, 10.1. 50, 476/1. equilibrium diagram, 50, 604/1. Copper-silicon alloys, heat-treatment, 50, 004/1. estimation of silicon, 50, 169/1. Lorenz number, 50, 10/1. mechanical properties, 50, 51/1. magnesium-rich, constitution, 50, 429.4. solid solubility of silicon, 50, 349/1. physical properties, 50, 604/1. solid solutions, mechanism of docompn., thermal conductivity, 50, 10/1. 50, 744.1. Copper-magnesium-aluminium alloys, wires, hard-drawn, for ovorhead trolley constitution, 50, 062/1. purposes, fiold tests, 50, 377/1. corrosion by three types of corroding Copper-silver alloys, media, 50, 480.4. casting, 50, 266.4. equilibrium relations, 50, 222/1. constitution, 50, 351/1; thermodynamic Copper-magnesium silicide —aluminium study, 50, 730A ; X-ray study of alloys, equilibrium relations, 50, 222/1. copper-rich alloys, 50, 35.-1. Copper manganese-aluminium alloys. See elastic limit, 50, 351.1. Hcusler’s alloys. electrical conductivity, 50, 351/1. Copper-nickel alloys, electrical resistance, tomp. coeff., 50, casting, 50, 125A . 351/1. cathodic sputtering, 50, 354.1. equilibrium diagram, 50, 476/1. complex, properties, 50, 541.4. Erichsen value, effect of rolling, 50, 69.4. condensers, surface-, construction, 50, hardness, 50, 351/1; effect of rolling, 690/1. 50, 69.4. containing tin and silicon used for steam heat-treatment, effoct on mech. pro­ valves, properties, 50, 541.4. perties, 50, 35-1/4. corrosion, by phosphoric acid, 50, 436.4 ; influence of oxygen. See Silver-copper- by soa-water, 48, 109. - orygen alloys. corrosion-fatigue, influence of chem. inverse segregation, 50, 299-4. compn. and heat-treatment on resist­ lattice dimensions, 50, 486.4. ance to, 49, 38. liquation, 49, 347 (Paper), VOL. L. 4 F 818 Subject Index

Copper-silver alloys, Copper-zinc alloys, remelting, deoxidizers for, 50, 21/1. boiling point curves, 50, 736^4. rolling, effect on Erichsen value and brazing solders, distillation phenomena, hardness, 50, 69/1. 50, 53/1, 500/1. rolling texture, relation to deep drawing constitution, X -ray detn. of phaso properties and hardness, 50, (»9-4. boundaries, 50, 672/1. solid solubility of silver, 50, 486/1, 734/1. corrosion, potential measurements and solid solutions, new orientations forming dissoln. tests, 50, 544/1. in crystal during pptn., 50, 746/1. corrosion-fatigue, influence of chcm. solubility of copper at 452° C., 50, 486/1. compn. and hcat-treatment on resist­ solubility of silver, at 452° C., 50, 486/1 ; ance to, 49, 38. X -ray study, 50, 308/1. creep, effect of recrystn. temp, and grain- “ standard silver.” S e e Silver-copper size, 50, 432A, 665A. alloys. creep resistance, 50, 530/1. supersaturated, sepn. of constituents and diffusion of solid, influence of temp, on changes of properties, 50, 20/1. velocity, 50, 662/1. surface improvement, 50, 328/1, 706.4. magnetic susceptibility, effect of plastic tensile properties, 50, 351.4. deformation, 50, 660/1. viscosity of molten, 50, 80/4. Copper-zinc-aluminium alloys (see also workability, influence of oxygen, 50, A lu minium-brasses ), 21/ 1. constitution, 50, 225/1, 426.4, 427/1. Copper-silver-antimony alloys, constitu­ Copper-zinc-nickel alloys (see also N ick el- tion, 50, 430/1. brass es), Copper-silver-manganese alloys, constitu­ physical properties, 50, 538/1. tion, 50, 21.1. ranges of useful alloys, 50, 538.4. Copper-silver^nickel-zinc alloys, liquation, Copper-zinc-silver alloys, review of recent 49, 353. investigations, 50, 227/1. Copper-silver-oxygen alloys, Copper-zinc-tin alloys, constitution, 50, 20/1, 21/1, 606/1. constitution, 50, 77/1. quasi-binary section silver-cuprous oxide, creep, effect of recrystn. temp, and constitution, 50, 20/1. grain-sizo, 50, 432/1, 665/1. workability, 50, 21 A. 90 : 5 : 5, softening curves, 49, 263. Copper-silver-palladium alloys, equilib. Cores, diagr., 50, 476/1. baking, gas-fired furnaco, 50, 130/1. Copper-silver-phosphorus alloys, constitu­ binders, testing and evaluation, 50, 641/1. tion, 50, 734/1. breaking out, 50, 129/1. Copper-silver-zinc alloys, constitution, 50, drying, electrical, 50, 510/1. 664/1. fused silica, 50, 641/1. Copper sulphate electrolytes, effect of grinding, 50, 641/1. addn. agents, 50, 252/1. intricate work, 50, 713/1. Copper sulphides, hydrogen and, thermal oils, 50, 713/4; bonding properties equilib., 50, 431 A. destroyed by highly mineralized Copper-tin alloys (see also Bronzes)., waters, 50, 509/1 ; suitability of soya­ a solid solution, solidification, 50, 159/1. bean oil, 50, 206/1, 775/1. corrosion, potential measurements and ovens, 50, 713/1; lab., 50, 509.4. dissoln. tests, 50, 544.4. preparation, 50, 129/1, 391/1. density, 50, 426/1. sands, testing and evaluation, 50, 641/1 ; effect of silicon, 50, 661/1. see also Moulding sands. eutectoid, tempering and annealing, 50, sea coal-sand mixtures, effect of heat 256/ł. on permeability, 50, 128/1. eutectoid change, mechanism, 50, 224/1. stove, mechanical, 50, 642/1. hardness, 50, 426/1. testing, 50, 509/1. 90 : 10, softening curve, 49, 263. Coring, in alloys, 50, 159/1, 432/1. Copper-tin-antimony alloys, constitution, Corona effect, in cables, 50, 102/1. 50, 662/1. Corronil, corrosion by sea-water, 48, 109. Copper-tin-lead alloys, Corrosion, miscibility gap, 50, 16/1. accelerators, 49, 57 ; 50, 545/1. thermal expansion, 50, 729/1. atmospheric, 50, 28.4 ; prevention, 50, Copper-tin-zinc-lead alloys, 85 : 5 : 5 : 5, 28/1 ; protection against, 50, 234/1 ; A.S.T.M. tentative recommended report of A.S.T.M. sub-cttee., 50, practice, 50, 255/1 ; thermal expansion, 548/1. 50, 729A. by acids, 50, 27/1, 303/1, 358/1. Copper-titanium alloys, by alkaline solutions, 50, 436/1. age-hardening, pamphlet, 50, 208/1. by beer, electrolytic, 50, 546/1 ; resume constitution, 50, 77/1. of recent work, 50, 546.4. Copper-zinc alloys (see also Brasses, &e.), by bleaching liquors in textile industry, a solid solution, solidification, 50, 159/1. 50, 435.4. analysis, 50, 168/1. by brines, 50, 609/1. 6-phase, transformations, X-ray study, by chemicals used in textile mills, 50, 50, 158/i. 303/1. Subject Index 819

Corrosion, Corrosion, by coffee, 50, 7404. physical chemistry, 50, 3044. by feed-water heater leakage, 50, 6684. prevention, 50, 231/1 ; by addns. of by flue gases, 50, 008*1. sodium dichromato to distilled water by fruits, 50, 4354. and sodium chloride soins., 50, 358/1 ; by gases, 50, 4364. in s h ip s , 50, 7394 (s o o a ls o Anodic by hypochlorite, reduction by addn. of oxidation, Deposition, Galvanizing, salts and bases, 50, 6684. Paints, Shcrardizing, Spraying of by inflammable liquids under storago metals, Tinning, &c., and under names conditions, 50, 2314. of various metals and alloys), . by iodine, 50, 3034. protection against. S e e Protection, a n d by liquid fuels, 50, 7374 ; new method of under various methods, e.g. Anodic test, 50, 3034. oxidation, Deposition, Galvanizing, by liquids, report of A.S.T.M. sub-ctteo., Paints, Spraying, Tinning, & e . 50, 5484. research methods, 50, 3044. by milk, 50, 8 3 4 ; and relation to resistance limits, 50, 3554 ; d e p e n d e n c e oxidized flavours of milk, 50, 3024 ; on crystallographie oriontation, 50, considerations governing, 50, 3024 ; 6074 ; existence in solid soins, with effects of oporating conditions in irregular atomic distribution. 50, various parts of pasteurizing equip­ 6074 ; rolation to regular distribu­ ment, 50, 4354 ; possible galvanic tion of atoms, 50, 7414. effects, 50, 5454, 668/1 ; submerged resistance to, evaluation, 50, 6084. tests, 50, 3024. rôle of oxygen, 50, 1614. by neutral waters, 50, 668/1. seasonal variation, 50, 28.1. by phosphoric acid solutions, 50, 2314, shell fauna and, 48, 110, 119. 4364, 6684. stress-, determining factors, 50, 2314 ; by salt solutions, measurement, 50, 741/1. influence of waiter oom pn., 50, 2314. by salts, especially ammonium salts submerged, oxygen as factor, 50, 3044. with and without presenco of am­ symposium, 50, 5874. monia, 50, 545.4. tester, 50, 284 ; for pressure vessels, by soils, 50, 4374 ; instrument for 50, 161/1. measurement, 50, 3584. testing, 50, 2314, 2334, 4334, 6104 ; by stray currents, 50, 305.4, 6094. accolerated, methods, 50, 4384 ; by tan liquors, 50, 3034, 5744. “ corrosiograph,” 50, 2334 ; now by tea, 50, 7404. apparatus, 50, 4384 ; with Tôdt’s by vinegar, 50, 6674. corrosimetcr, 50, 2334. difference effect, 50, 3584. theory, 50, 2314, 4374 ; based on distribution, 50, 2324, 6684, 7414. heterogeneous catalysis, 50, 6104 ; due to potential differences, 50, 7374 ; electrochemical, 50, 6684 ; ‘electro­ and its prevention, 50, 357/1. lytic, 50, 28/1 ; in light of quanti­ effect of cold-working, 48, 112, 118, tative moasuromonts, 50, 274 ; 120. present status, 50, 294 ; review, electrolytic, in brewory, 50, 5464 ; 50, 1614, 4384. report of A.S.T.M. sub-cttee., 50, topochemistry, 50, 834, 6104. 5484. types, 50, 480/1. factors influencing, 50, 834. under cyclic stress. S o o Corrosion-fatigue. film reactions, 50, 7414. velocity, from electrochem. point of galvanic, 50, 5454 ; report of A.S.T.M. v i e w , 50, 6104. sub-cttee., 50, 5484. Corrosion-fatigue, 49, 17 (Autumn Lecture), grain-size, eutectic and, relation, 50, 49, 93 (P a p er). 4374. atmospheric, 49, 93 (Paper). immersion tests, controlled data from, bibliography, 49, 91. 50, 4804. exhibited by changes in microstructure, impingement, seasonal variation in rate, 49, 70. 50, 284. factors, influence of stress range, time, impingement test apparatus, modified, number of cycles, and corrosivity of 49, 123 (Paper). environment as, 49, 40. in ship construction, 50, 3044, 4374. failures in service, 49, 29. “ index,” 50, 2324. in steam, 49, 53. inhibitors, 50, 574, 5454. influence of water composition, 50, 2314. intercrystalline, 50, 2324. mechanism, 49, 81. investigation, air thermostats for, 50, nomenclature, 49, 23. 284. resistance to, influence of chenu compn., loss in weight tests, unreliability, 50, heat-treatment, and cold-working, 49, 4804. 34. measurement, olectrochem. mothod, 50, summary of present knowledge, 50 6114. 4694. mechanism, 50, 3554. Corrosion-fatigue of— periodic physico-chemical phenomena, Aluminium, 50, 3004. 50, 834. Aluminium alloys, 49, 38. 820 Subject Index

Corrosion-fatigue of— Corrosion of— Brasses, 50, 42.-1. Boiler plant, 50, 1614. Bronzes, 50, 42/1. Brass, 50, 7384 ; by chromic acid, effect Copper, 50, 42/1. of cold-rolling and annealing, 50, Copper-nickel alloys, 49, 38. 4344 ; by distilled wator and salt Copper-zinc alloys, 49, 38. solns., prevention by addn. of sodium Duralumin, 50, 42.4. dichromate, 50, 358.1 ; by hot vapours Elektron, 50, 42.1. of cracked petrol, 50, 2304 ; by milk, K.S.-Seewasser, 50, 42.1. 50, 3024 ; by phosphoric acid, 50, Lautal, 50, 42.-1. 4 3 6 4 ; internal, 50, 254 ; sugar Legal, 50, 42.1. evaporator tubes, 50, 667/1. Silumin, 50, 42/1. Brewery plant, 50, 274. Steels, 49, 36; 50, 42/1 ; oflect of Bronzes, 50, 355/1 ; by hydrochloric cadmium or zinc coatings, 50, 314/1; acid, 50, 4344 ; by inorganic acids, effect of pickling, 50, 314.1. 50, 6084 ; by milk, 50, 3024 ; by Corrosion of— phosphoric acid, 50, 4344 ; by sul­ Acetic acid equipment, 50, 547.1. phuric acid, 50, 4344; by vinegar, Aircraft materials, 50, 355/1. 50, 6674. Alclad, 49, 147. Buried structures, 50, 3054, 4374, 6094. Allegheny metal, by iodino, 50, 302/1 ; Central heating apparatus, 50, 1614. by milk, 50, 302/1. Chromium alloys, by milk, 50, 302.4. Aluminium, 50, 479.4 ; accelerated tests, Chromium-nickel alloys, by milk, 50, 50, 354/1; brewery vessels, 50, 27.1, 302.4. 666/1 ; brewery vessels by electric Condenser tubes, 50, 1834, 3004, 3044, currents, 50, 2 2 8 4 ; brewery vessels, 377/1, 7384. detection and measurement of olcct. Condensers in crude oil plant, 50, 3594. currents, 50, 666/1; by acids and Copper, 50, 254, 434.1 ; atmospheric, bases, 50, 24/1 ; by alkaline solns., 50, 50, 28/1 ; atmospheric;, artificial prodn. 244, 4364. ; by chloride of sulphur, o f greon patina, 49, 153 (P a p er); 50, 3544 ; by distilled water ana salt atmospheric, rapid development of solns., prevention by addn. of sodium patina, 50, 066/1 ; brewery plant, 50, dichromatc, 50, 3584 ; by hot vapours 274 ; by alkaline solns., 50, 4364 ; of cracked petrol, 50, 2304 ; by hydro­ by beer, 50, 2294 ; by distilled water gen peroxide solns., 50, 4334; by and salt solns., prevention by addn. inorganic and organic substances used of sodium dichromate, 50, 3584 ; by in chem. and food industries, 50, 824 ; hot vapours of cracked petrol, 50, by liquid fuels, 50, 7374 ; by milk, 2304; by hydrochloric aeid, 50, 50, 302/1, 6664 ; by sea-water, 48, 4344 ; by inorganic acids, 50, 6084 ; 109; collapsible tubes by soap, in­ by milk, 50, 254 , 3024 ; by milk, hibition, 50, 5 5 0 4 ; effect of contact effects of operating conditions in with other me tills, 50, 2294 ; effect various parts of pasteurizing equip­ of foreign metals on rato of dissoln., ment, 50, 4354 ; by petrol and motor 50, 7404 ; factors affecting, 50, 543/1 ; benzines, 50, 5444 ; by phosphoric hard-rolled sheet, local, 50, 7414 ; in acid, 50, 434/1; by sea-water, 48, Duffek’s apparatus, 50, 2294 ; kettles 109; by sea-water, effect of arsenic, by linseed oil, 50, 8 2 4 ; oil-leaso 48, 113, 119; by sulphuric acid, 50, tanks, 50, 3004 ; protective action 4344 ; by vinegar, 50, 0674 ; by well o f sodium silicate, 50, 4324, 433.1. water, 50, 3554; chromium-plated, Aluminium alloys, 50, 229/1, 4794 ; by milk, 50, 302/1 ; influence of foreign accelerated tests, 50, 3544; atmos- metals on rate of dissoln., 50, 7404 ; plieric, 50,1604 ; by hydrogen peroxide open-valley flashings, 50, 6084 ; pipes, solns., 50, 4334 ; by potential differ­ olectrolytic, 50, 3554 ; single crystals, ences, prevention, 50, 3574 ; by soa- velocity of dissoln. of different faces, water, 50, 160/1; effect of contact 50, 3 0 1 4 ; tin-plated,. by milk, 50, with other metals, 50, 2294 ; effect 3024; tinned and soldered sheets, of internal stress, 48, 184; test atmospheric, 50, 3554, 6664. methods adopted by members of Copper alloys, 50, 25/1, 3554 ; by bleach­ Aluminium Association, 50, 82/4. ing liquors in textile industry, 50, Aluminium chromium alloys bv sea­ 4354 ; by milk, 50, 3024 ; by phos­ water, 50, 6664. phoric acid, 50, 4364 ; by sea-water, Ambrac, by milk, 50, 3024. 50, 4804. Armatures on aluminium fermenting and Copper-cadmium alloys wire, 50, 4794. storage tanks, 50, 4794. Copper-nickel alloys, by phosphoric acid, Ascaloy, by iodine, 50, 302/1; by milk, 50, 4364 ; by sea-water, 48, 109. 50, 3024. Copper-tin alloys, potential measure­ Avional, 50, 348/1. ments and dissoln. tests, 50, 5444. Babbitt metal, by hot vapours o f cracked Copper-zinc alloys, potential measure­ petrol, 50, 2304. ments and dissoln. tests, 50, 5444. Base metals, influence of foreign metals Corronil by sea-water, 48, 109. on rate of dissoln., 50, 7404. Dairy equipment, 50, 3574. Subject Index 821

Corrosion of— Corrosion of— Dental alloys, 50, 7394. Nickel alloys by alkaline solns., 50, 4364. Duralplat, 50, 4244, 7 2 8 4 ; in North Nickel-brass, by milk, 50, 3024 ; by Sea, 49, 135 (P a p er); riveted joints, milk, offocts of operating conditions 50, 7384. in various parts of pasteurizing equip­ Duralumin, accelerated test for suscept­ ment, 50, 4354. ibility to intcrcrystallino attack, 48, Nickel-chromium-iron alloys, by sea­ 107 ; as affected by compn., 50, 1004, water, 48, 109; in milk, offocts of 2294 ; influence of hoat-treatrnent oporating conditions in various parts temperature, 48, 179; intorcrystalline, of pasteurizing equipment, 50, 4354. 48, 105 (P a p er); methods of test, 50, Nickel-copper alloys, atmospheric (“ fog­ 2334. ging ” ), 48, 122. Duriron, by iodine, 50, 3024. Nickel-iron alloys by soa-water, 48, 109. Electrodeposits, prepn. of specimens for Non-ferrous metals and alloys, report of exposuro tests, 50, G09*-l. A.S.T.M. cttoo., 50, 3044, 5484. Enduro A, by milk, 50, 3024. Oil cracking equipment, 50, 2304. Ferrous and non-ferrous metals and Oil pipe lines, location and study by alloys, relative, 48, 109 (Paper). surface oloct. measurements, 50, 2304. Fusible plugs, 50, 2294. Oil refinery equipment, 50, 4364. Galvanized iron and steel, “ whit© rust,” Phosphor-bronze by bleaching liquors 50, 0094. in textilo industry, 50, 4354. Gold-copper alloys, X-ray study, 50, Propellers (marine), 49, 130; 50, 1004. 3554 , 4804. Radiators (automobile), 50, 274. Iron, 50, 274 ; by bleaching liquors in Refrigerating plant, 50, 0094. textilo industry, 50, 4 3 5 4 ; by dis­ Resistal by iodine, 50, 3024. tilled water and salt solns., prevention Silumin, 50, 4794 ; by acid and alkaline by addn. of sodium dicliromate, 50, solns., 50, 244 ; protectivo action of 3584; by hot vapours of cracked sodium silicate, 50, 4334 ; tables of petrol, 50, 2304 ; by phosphoric acid, rate of attack, 50, 2944. 50, 4304 ; field tests of metallic coat­ Silver by sulphide solns., 50, 264. ings, report of A.S.T.M. sub-cttco., Silver alloys, by sulphido solns., 50, 264. 50, 3044 ; in citric acid, 50, 1614; Silveroid by soa-water, 48, 109. in DufTek’s apparatus, 50, 2294; Sprayed metal coatings, 50, 3004 ; on report of A.S.T.M. cttee., 50, 5494. steel, accolorated test in S 02-C 0 2-air K.S.-Seewasser, 50, 3484, 4794. atmosphero, 50, 2304. Lautal, protective action of sodium Steels, 50, 274 ; by bleaching liquors in silicate, 50, 4334. textilo industry, 50, 4354 ; by dis­ Lead, by distilled water and salt solns., tilled water and salt solns., prevention prevention by addn. of sodium di- by addn., of sodium dichromate, 50, chromate, 50, 3584 ; by hot vapours 3584 ; by hot vapour3 of cracked of cracked potrol, 50, 2 3 0 4 ; by petrol, 50, 2304 ; by iodine, 50, 3024 ; iodine, 50, 3024; by mortars and field tests of metallic coatings, report of concrete, 50, 1614 ; by sea-water, 48, A.S.T.M. sub-cttee., 50, 3044; report 109; by vinegar, 50, 6674 ; by well of A.S.T.M. cttee., 50, 5494. water, 50, 3 5 5 4 ; cable-sheath by Thallium by acids, 50, 264. paper and juto wrapping, 50, 254; Tin, 50, 5444, 7404 ; by citric acid, 50, cable sheath by phenol in tar coating, 1614; by citric acid solns., effect of 50,3564; cable sheath, experience of 35 H-ion concn., 50, 264 ; by hydro­ American companios, 50, 254 ; cablo- chloric acid, 50, 4344; by inorganic sheath, underground, 50, 3564. acids, 50, 6084 ; by phosphoric acid, Lead alloys, (B.N.F.M.ll.A.) in buildings, 50, 4 3 4 4 ; by sea-water, 48, 109; 50, 3014 ; relation of grain-sizo and by sulphuric acid, 50, 4344; by eutectic, 50, 4374. vinegar, 50, 6674. Lead-bronzes, 50, 3554. Tin alloys, 50, 7404. Light alloys, prevention, 50, 29/1. Tinned iron, 50, 5444. Magnesium alloys, 50, 3554, 651.1, Tinplate, 50, 1614, 35 64; American 7404. and British investigations, 50, 6674 ; Monel metal, 50, 194, 25 54; by by dilute acid solns., 50, 4344 ; by alkaline solns., 50, 4364 ; by bloach- foods, 50, 3024 ; by foods, generation ing liquors in textile industry, 50, of hydrogen, 50, 5 4 5 4 ; by foods, 4354 ; by cider and applo juico, 50, role of oxygen, 50, 4354 ; by fruits, 3034 ; by milk, 50, 3024. 50, 2 6 4 ; b y green vegetables, 50, Nickel, atmosphorio (“ fogging” ), 48, 264 ; by milk, 50» 3024 ; importance 121 (P a p e r ); by alkaline solns., 50, of traces of sulphur on sprayed fruits, 4364 ; by bleaclnngliquors in textilo in­ 50, 6084 ; swelling of canned prunes, dustry, 50, 4354 ; bv milk, 50, 3024 ; 50, 6084. by milk, effects of oporating con­ Turbines (steam), 50, 3574. ditions in various parts of pasteurizing Underground structures, 50, 4 3 7 4 ; by equipment, 50, 4354 ; by soa-water, strav currents, 50, 0094 ; electrolytic, 48, 109. 50, 3054. 822 Subject Index

Corrosion of— Crucibles, Utensils by water, coffee, and tea, 50, cast-iron, compared with graphite in 740.-1. aluminium melting furnaces, 50, Waukesha metal by milk, 50, 302.-1. 506/1. Zinc, by acids, 50, 480.1 : by milk, 50, graphite, compared with cast-iron in 302.-1 ; by sea-watèr, 48, 109 ; effect aluminium melting furnaces, 50, of />n. in oxygenated aqueous soins., 506**1 ; manuf., 50, 273-4 ; treatment 50, 302.-1 ; effect of temp., 50, 2G.-1 ; in melting practice, 50, 331/1. influence of foreign metals, on rato of laboratory, progress, 50, 584/1. dissoin., 50, 740.-1 ; sheet contg. 1% magnesium oxide, 50, 644/1; impervious iead by acids, 50, 435.-1. to air, 50, 513.4. Zinc -bronzes, 50, 355.4. nitridic, manuf. and properties, 50, Zinc-coated water pipes, 50, 667.1. 584*4. Zinc-silver alloys by acids, 50, 357.-1. thorium oxide, 50, 644.4. Corrosion-resistant materials (see also zirconium oxide, 50, 644*1. under names of alloys. &c.), 50, 83.4, zirconium silicate, 50, 644*4. 222.4. 346.4, 669.4, 741.-1. Crystal analysis (X-ray), compositions and manufacturers, 50, book, 50, 412/1 (review). 29.4. report of D.S.I.R. cttee., 50, 308*4. Council, Crystal growth in— election, 48, 17. Hexagonal metals, 50, 616*4. nominations for 1933-1934, 49, 14. Crystal lattice (see also Crystal structure, report, 48, 1. Lattice constants), vote of thanks to, 48, 17. atomic state in, 50, 37*4. Cracking. See Internal stress, Season- changes, previous method of measure­ cracking, &c. ment, 50, 364*4. Crackless plasticity, 50, 7.4. constants. Seo Lattice constants. Cracks, cubic, electrostatic potential, 50, 486.4. form and growth, 50, 71.4. distortion, 50, 33/1, 37/1; in cold- physical natures and significances, 50, drawn wire, 50, 191-4 ; in cold-rollod 71.1. metals, 50, 672*4 ; in heat-treated Creep, 50, 751.4. tungsten magnet steels, 50, 165.4; at elevated temperatures, 50, 658/1, in stretched wire, 50, 617*4. 659/1. energy constants, methods of computa­ book, 50, 335.4 (review). tion, 50, 746-4. discussion, 50, 532.1. graphical determination from X-ray influence of recrystallization temperature powder method data, 50, 165/1. and grain-size, 50, 432.-1, 665.4. spacing, method for deducing accurate investigations, 50, 468.4. values from Debye—Scherrer X-ray methods of investigation, 50, 149.1. powder photographs, 50, 673.4. rate, 50, 058--1, 059.4. Crystal nuclei, resistance and development review of recent work, 50, 149.1. above melting temp., 50, 292*4. testing, 50, 058/1, 059.-1. Crystal structure (see also Crystal lattice, testing machine, 50, 149.4. Lattice constants tOc.), tests, short-tim©, reliability, 50, 149.4. cubic, tables, 50, 588.4. thermal, 50, 468.-1. Debye-Scherrer apparatus, chamber for Creep of— specimons of all shapes, 50, 238.4. Aluminium-manganese alloys, 50, 299.4. determination by sound vibrations, 50, Aluminium-silicon alloys, 50, 299.4. 745/1. Brass, 50, 477/1. elementary description, 50, 607*4. Copper alloys, 50, 530.4. investigation, Dobyo-Scherror method, Copper-tin-zinc alloys, 50, 432.1. method of ensuring max. accuracy, Copper zinc alloys, 50, 432/1. 50, 487^1; rationalization of ap­ Duralumin, 50, 477/1. paratus, 50, 489*4. Iron, 50, 558.1. Laue diagrams with largo diffraction Lead cable-shcatli, 50, 717/1, 723.4. angles, 50, 165/1. Lead alloys cable-shoath, 50, 717.4, powder and rotating crystal photographs, 723.-1. causo of broadening of lines, 50, 37*4. Magnesium, 50, 474.4. x-ray analysis, spherical reflection Magnesium alloys, 50, 474.4. method, 50, 445.4. Nickel, 50, 558.1 ; wires, 49, 295. Crystal structure of— Nickel alloys, 50, 558.-1. Alloys, containing transition elements, Nickel-copper alloys, 50, 432.4. 50, 745.4 ; sensitive to air, prepn. of Phosphor-bronze, 50, 477.4. Debye-Scherrer diagr., 50, 432*4. Cromal, 50, 536.-1. Aluminium-copper alloys, 50, 34.4. Crucibles, Aluminium-iron alloys, 50, 308/1, 362/1, aluminium oxide, 50, 644.4. 486-4. beryllium oxide, 50, 644.4. Antimony electro-deposits, effect of carbidic, manuf. and properties, 50, temp., 50, 562/1. 584.4. Antimony-cadmium alloys, 50, 440-4. Subject Index 823

Crystal structure of— Curling, external, for soamless boxes, 50, Bismuth-antimony alloys, 50, 349.1. 575/1. Borides, 50, 33/1. Cutting, 50, 201/1. Carbides, 50, 33.4. capacity, 50, 769.1. Cobalt electro -deposits, effoct of H-ion compounds used in Ford machine shops, concn., 50, 031.4. 50, 577/1. Copper deposited in presence of gelatine, cooling and lubricating materials, choice, 50, 80.4. 50, 110/1. Films, 50, 237.1, 017.4. fluids, 50, 577.1; characteristics and Gallium, 50, 610.1. selection, 50, 118/1; replios to Gold-antimony alloys, 50, 35.4. questionnaire, 50, 704.4; roport of Gold-platinum alloys, 50, 80.4, 553.1. A.S.JI.E. cttee., 50, 704/1 ; selection, Gold-tin alloys, 50, 30.1. 50, 705.4 ; use in machino shop Manganese-iron alloys, 50, 79.1, 297.1, practice, 50, 261/1. 732.4. hack-saw, 50, 704.4. Silver-antimony alloys, 50, 30.4. materials, 50, 261/4 (soo also under names Silver-arsenie alloys, 50, 30.1. of cutting materials : Ramet, Widia, Silver-bismutli alloys, 50, 30.4. Tantalum carbide, Tungsten carbide, Silver-tin alloys, 50, 35.1. &c.). NaTl, 50, 303.1. oxy-acetylene, indust, oppns., 50, 115.4. Sodium-tungsten bronzes, 50, 740.4. speeds and feeds, 50, 118.4. Tin antimony alloys, B-solid solution, Cutting of— 50, 22/1. Aluminium alloys, 50, 496/1. (3-Zirconium, 50, 440.4. Brass, spoods, 50, 767.4. Crystalline metal, 50, 342/1. Bronze, spoods, 50, 767.4. Crystalline state, tlioory, development, 50, Magnesium alloys, 50, 490/1. 487.4. Cutting tools, Crystalline substances, constitutional carborundum, for fino surfaces, 50, 575/4. formulae, 50, 38.4. chromium-plating, 50, 704/1. Crystallites, proforred orientation producod tungsten carbide. Soo Tungsten carbide, by cold-rolling, 50, 104.4. &c. Crystallization, Cyanides in metallurgy, 50, 249.4. primary, 50, 149.4. rhythmic, 50, 071/1. theory, 50, 149.4, 071.4. Dairy equipment, corrosion, 50, 357.1. under pressures up to 20,000 atm., 50, Damping, 50, 308.4. 292/1. book, 50, 404/1 (review). Crystallography, capacity, 50, 216/1, 299.4. book, 50, 525.1. dependence on magnitude of rate of investigations carried out in 1930 and deformation, book, 50, 524.4. 1931, 50, 238.1. in vibrating steel rods, 50, 92.4. Crystals, variability, 50, 626/4. anisotropic, relation botwoon specific Debye-Scherrer diagrams. See Crystal heat and eoofT. of expansion, 50, structure. 209.4. Decorative metal, plant, description, 50, cut and polishod, surfaco structure, 50, 109.4. 552A. Defects, detoction. Soo Radiology. electric moments, pormanont, 50, 75.4. Deformable bodies, mechanics, book, 50, films, structure, 50, 552.4. 783/1. growth, fundamental principles, 50, Deformation, 38.4 ; in motal vapour, 50, 38/i, 744/1. efficiency of, 43, 338. lattice constants. Soe Lattice constant elastic. Seo Elastic deformation. magnetic moments, pormanont, 50, 75.4. equations, 50, 420.1. mosaic structure, 50, 440/1, 071.!, 745/1. local, methods of study, 50, 025.4. plasticity, dependence on temp., 50, plastic. Soe Plastic deformation. 529/1, 531.4 ; temp. cooiT., 50, 37/1. Deformation textures, 50, 37/1, 429.4, secondary structure, 50, 440/1; theory, 017.4 (seo also Rolling texture, ic .). 50, 75.4. Deformed metals, softening, time law, 50, shape oi growth, 50, 420.4, 725.4. 0.4, 342/1. single-. See Single-crystals. Degreasing, 50, 505.4, 683/1, 768-4.^ spherical, in opaquo bodies, calculation for chromium plating, 50, 192-4, 768.4. of number and size by means of lor enamelling, 50, 192/4. circular soctions on piano soction, modern methods, 50, 120/4. 50, 748/1. trichlorethylene process, 50, l~OA, structure, book, 50, 055/1 (review). 192/1, 193.4, 328.4, 504.4. Cupal, use for contact purposes, 50, 103.4. vapour, 50, 96.1. Cupolas, design, book, 50, 142/4 (review). Delta metal, centrifugal casting, 50, 7H A . Cupping tests. Seo Testing. Denitriding in salt baths and molten Curie point, change of resistance und aluminium, 50, 689/1. magnetization at, 50, 344.1. Density, efioct of torsion, 50, 659/1. 824 Subject Index

Density o£— Deposition (electro-), Alumininm alloys, influence of treat­ tanks, lining, 50, 48.4 ; rubber-linod, 50, ment. with nitrogen and volatilo 683.4. chlorides, 49, 305. theory, 50, 634,4. Copiier-cadmium alloys, 50, 152.-1. thickness of plate, 50, 493.1, 634.-1. Copper-tin alloys, 50, ■(28,-1 . throwing power of solutions, 50, 47.1, Silver-copper-nickel-zinc alloys, 50, 48/1, 634.4. 606/1. use of metallic (electronic) rectifiers, 50, Dental alloys (see also Chrogo t/42), 250/1. corrosion, 50, 739-1. without external current, 50, 317.1. plates, cast and swaged, observations Deposition of (electro-)— on, 50, 662.fl. Alloys, roeont work, 50, 249.4 ; review, platinum metals in, 50, 476.1. 50, 451A, 493.4. survey, 50, 81.4. Aluminium, 50, 234.-1, 246.4, 305/1. tensile properties, 50, 476.4. Antimony from glacial acetic acid solns., Dental metallurgy, books, 50, 133.4, 654.4 X-ray study of structure of deposits, (review). 50, 314.4. Deoxidation of— Arsenic from glacial acetic acid solns. Aluminium, 50, 708.1. X-ray study of structure of deposits, Molten metal, 50, 506.4, 770,4. 50, 314/1. Deoxidizers, 50, 194,4, 506/1. Beryllium, 49, 373. object and function, 50, 708.1. Bismuth from glacial acetic acid solns.. requirements, 50, 5UG.-I. X-ray study of structure of doposits, Deposition. Seo Galvanizing, Sherardiz- 50, 314/1. ing, Spraying oj metals, Tinning, &c. Brass, complex cyanides in solns., 50, Deposition (electro-), 632/1 ; from cyanide solns., 50, 631.4 ; addition agents, theory, 50, 760.1. from thioeyanate solns., 50, 248/1. adherence of coatings,’ 50, 034.4, 635.4. E-Brass, 50, 671.4. adhesion to cathode, prevention, 50, Cadmium, 50, 95.-1, 370.-1 ; analysis of 760.4. solns., 50, 675.4; Cadalux process, advances, 50, 683.1. 50, 247/1; “ Einsinken,” 50, 247/1 ; analysis of solutions, 50, 635.4 ; booklot, factors influencing efficiency for rust 50, 718.4. prevention, 50, 85.4 ; from cadmium apparatus, 50, 451.-1. sulphate solns., effect of p a , c.d., application to engineering, 50, 493.1. and tomp. on crystal sizo of deposit, barrel, 50, 48.4. current offlcioncy and oloctrodo effi­ books, 50, 333/1, 409.-1 (review), 783.-1. ciency ratios, 50, 562/1 ; on alumin­ control of quality and thickness, 50,682/1. ium and Duralumin, 50, 669/1; on education of platers, 50, 48.1, 250.4. flat blanks beforo forming, 50, 563-1 ; electrical apparatus for taking current on iron and steel castings, 50, 176/1, direct from a.e. mains, 50, 760.-1. 314.1 ; stability of cyanide solns., 50, Fescol process, 50, 682-4. 247.4 ; stability of solns., 50, 314.-1. free cyanide, definition and detn. in Chromium, 50,450/1, 492/1,629/1, 630/1; solns., 50, 249.4. advantages and limitations, 50, 371/1 ; from cyanide baths, 50, 249.-1. analysis of solns., 50, 492/1, 630.4, from non-aqueous solutions, 50, 451,1. 631.4 ; anodes and auxiliary anodes, from salt solutions in anhydrous am­ 50,448/1 ; at high c.d., 50, 177.1 ; auto­ monia, 50, 48.1. matic equipment, 50, 564/1 ; biblio­ glacial acetic acid as solvent, 50, 314.1. graphy, 50, 759/1 ; books, 50, 406/1, handbook, 50, 281/1. 464.-1 {review), 526/1, 654.-1 (review), history, 50, 316.4, 714/1, 717.-1; bright plating ratio, 50, hydrogen-ion concentration, measure­ 314/4, 371/1; chem. and phys. actions ment, 50, 248.4. in bath, 50, 629.1 ; chemistry of pro­ hydrogen-ion control of solns., 50, 317/1. cess, 50, 176.4 ; cooff. of metal dis­ industry, 50, 48/1. tribution, 50, 314.1 ; cost calculations, microscopic study, 50, 634.1. 50, 681/1 ; deposits freo from fissures on aluminium and its alloys, 50, 493.1, and pores, 50, 176.-1, 449.1.; derma­ 683/1, 760.4 ; commercial, 50, 451.4 ; titis caused by uso of “ Chrompro- from cyanide solns., 50, 249.4, 451/1. tekt ” coating on surface of batli, 50, on glass, 50, 565.-1. 681/1; design of oquipmont, 50, 564/1; on non-metallic articles, 50, 634.1. detn. of sulphuric acid in baths, 50, on porcelain, 50, 565.1, 634.4. 46.4, 631.4 ; difficulties, 50, 95/1; on zinc-base die-castings, 50, 248/1. durable bright finish, 50, 370.-1 ; offoct plant, organization, 50, 250.4. of addns. to bath on hurdness of do­ progress in 1931, 50, 250/1. posits, 50, 177/1 ; electrostatic dis­ repairs to Diesel engine by, 50, 58S.-1, tribution, 50, 371/1 ; oxperionces, 50, 635/1. 45/1; Fescol process, 50, 682/1 ; for rise and early development, 50, 316/1. wear-resistance, 50, 449.4 ; from solutions, control, 50, 250.4; heating, aquoous chromic acid solns., theory, 50, 760/4. 50, 370--1 ; from chromic acid solns., Subject Index 825

Deposition of (electro-)— Deposition of (electro-)— limits of rational current yield, 50, Gold, 50, 249/1, 450/1; cyanides in rela­ 448-4 ; from “ K r ” bath, fissure- and tion to, 50, 46/1, 98/1, 248/1 ; prepn. pore-free deposits, 50, 449A ; from of baths, 50, 564*1. tervalent chromium salt solns., 50, Indium, 50, 594/1. 758/1; “ high a c id ” proccss, 50, Iron-copper-nickel alloys from cyanido 681.4; high c.d., problems, 50, 314.4, solns., 50, 2484. 682.4 ; historical survey, 50, 95.1 ; Lead, 50, 317*1 ; book, 50, 60/1; for hydrogen in deposits, 50, 629/1 ; corrosion-resistance, 50, 371/1; prac­ hygienic advantages of “ Chrompro- tical hints, 50, 96/1. tekt ” coating on surface of bath, 50, Lead-bismuth alloys, 50, 632*4. 681/1; improving durability of plate, Nickel, 50, 450*1 ; advantages of low pn, 50, 45.4 ; in glass industry, 50, 629.4 ; 50, 371*1 ; American and Continental influence of cathode metal, 50, 95/1 ; practice, 50, 315*4, 682.1 ; at high installation of equipmont, 50, 564.4 ; c.d., 50, 177.1 ; calcium fluoride in U.S.A., 50, 95/1 ; lead and lead- method for detn. of fluoride in baths, antimony anodes, 50, 95/1, 758/1.; list 50, 451/1 ; cathodic, from nickel sul­ of patents, 50, 46.4 ; magnesium sul­ phate solns., influonco of various phate nickel bath for undercoats, 50, factors, 50, 632.4 ; control of acidity 95/1 ; occupational risks, 50, 493.4 ; in low p u baths, 50, 97/1 ; control of on aluminium and its alloys, 50, 96.4, baths, 50, 315/1, 371*4, 564*4 ; dorma- 177/1, 449/1, 563/1, 681*4 ; on alumin­ titis, 50, 493*4 ; dotn. of nickel in ium, Perma-Chromo process, 50, bath by Moore’s method, 50, 98*4 ; 492/1; on brass, 50, 361/1; on brass, detn. of thickness of doposits by nomo­ tarnishing of deposits, 50, 177/1 ; on grams, 50, 682*4 ; developments, 50, common motals and alloys, 50, 449.4 ; 450*4 ; offect of acidity of electrolyte on elect, appliances, 50, 564.1 ; on on structure and hardness of deposits, gauges, 50, 492/1, 681*1 ; on glass 50, 178/1; effect of pn and of various moulds, 50, 563/1; on light motals, buffering agents, 50, 178*4 ; effect of 50, 45.4; on rolled zinc and zinc small amts. of chromic acid and of die-castings, 50, 99/1; on silver, 50, chromic sulphate, 50, 178*4 ; effi­ 964, 177/1, 629/1; on steel dies, 50, ciency of nickol anodes, 50, 759/1 ; 563.4 ; on steel for woar-rosistanco, Fescol proccss, 50, 682*1; for resist­ 50, 96.1, 449.4, 563/1, 758/1 ; on steel ance to corrosion, 50, 97.4 ; high c.d. rolls, 50, 563/1 ; on zinc, 50, 371/1 ; problems, 50, 314.4, 682*4; high­ on zinc sheet, 50, 563/1; porosity of speed, in England, 50, 97*1, 177/1 ; deposits, 50, 32.1 ; possibility of use historical review, 50, 315*1; hot solns., of chromium anodes, 50, 681/1; prac­ progress, 50, 97*1 ; hot solns. and low tice and theory, 50, 176/1 ; preliminary Pr , 50, 564/1 ; low p u solns., 50, 97/1, treatment, 50, 95/1 ; preparation of 178/1 ; measurement of H-ion concn. thick deposits free from fissures and of bath, 50, 248-1 ; nickel anodes for, pores, 50, 371.4.; propn. of work, 50, 50, 46.4 ; on aluminium and its 95.4, 564/1, 578/1; present position, 50, alloys, 50, 47*4, 248/1, 262.4, 450.4, 96^1; production methods, 50, 563.1 ; 633*4, 759*1 ; on ulurninium die-cast- production of good deposits, 50, ings, 50, 565.4 ; on rolled zinc and 95*4; protective covering layer on zinc die-castings, 50, 99*4 ; on worn surface of bath, 50, 449*4 ; removal Diesel engino parts, 50, 635.4 ; on zinc- of fumes from bath, 50, 449.1; skin base die-castings, 50, 248*4 ; Panzer diseases causod by uso of protective process, 50, 97*1, 371*4 ; passive and coatings on surface of bath, 50, 681/1 ; dense deposits by Panzer process, 50, status, 50, 758/1 ; Stella soln., 50, 97/1; pitting, 50, 564*1; prepn., ad­ 371/1 ; thick deposits, 50, 46/1; throw­ vantages and disadvantages of nickel ing power of baths, 50, 45/1, 448/1, anodes, 50, 759/1; properties of low 682/1. pjl baths, 50, 759/1; rapid, baths, 50, Chromium-iron alloys, 50, 96*1. 97/1 ; rapid, comparison of practice Cobalt, effect of H-ion concn. on crystal in U.S.A. and Europe, 50, 564/1 ; structuro of deposits, 50, 631/1. “ stopping off ” materials, 50, 315/1; Cobalt-nickel alloys, 50, 176/1. stripping baths, 50, 682.4 ; throwing Copper, control of cyanide solns., 50, powor of solns., 50, 682*4 ; ultra-rapid, 96/1, 247/1 ; detn. of copper in solns., 50, 493*4 ; uso of colorimeter for detn. 50, 99/1; detn. of thickness of deposits of nickol content and p a of solns., by nomograms, 50, 682.4 ; from cyan­ 50, 48*4; using local a.c. or d.c. ide solns., 50, 631*1; in form of shoet, supply, 50, 759*4. 50, 631/1; in form of tubes, 50, 631/1 ; Nickel-copper-iron alloys, 50,96/1,682/1. in presence of gum arabic, 50, 6S2/1 ; Noble metals, limiting current density, tensions of deposits, 50, 451/1 ; throw­ 50, 99/1. ing power of solns., 50, 682/1. Palladium, 50, 98.4. Copper-cadmium-zinc alloys from cyan­ Platinum, 50, 98*1, 632/1. ide baths, 50, 247.4. Rhodium, 50, 98*1 ; using W ilco solns., Foils, 50, 565/1. 50, 178*4. 826 Subject Index

Deposition of (electro-)— Dictionaries (technical), Silver, 50, 249/1; analysis of solutions, French-Gcrman-Italian, 50, 406.1. 50, 464, 673/1, 760/1: bright, from German-English, 50, 3344, 7824. oyanido baths, 50, 9S4 ; brigh toners, German-English-French, 50, 282.1. 50, 98/1; control of solns., 50, 450/1 ; German-French-Italian, 50, 2834. cyanides in relation to, 50, 46/1, 98.1, Die-casting, 50, 2674, 712/1. 248.4 ; dctn. of silvor in solns., 50, alloys for, effect of temp, on impact 99.4 ; detn. of thickness of deposits strength, 50, 4774. by nomograms, 50, 682/1 ; faults, costs, reduction, 50, 1224. causo and prevention, 50, 450.4 ; from developments, 50, 508.1. argentocyanido solns., 50, 178.4 ; from dies, automatic, design, 50, 2674, 391.1, sulphate, nitrate, iluoborate and fluor­ 508.1, 7754 ; design, 50, 3914 ; mate­ ide solns., 50, 98-4 ; on brass, matt rial for, 50, 7124. surface, 50, 632.1 ; operation and con­ furnaces, use of gas- or oil-fired, 50, trol of baths, 50, 682/1 ; recovery of 7764. silver from old plating baths, 50, high-pressure, 50, 7124. 633.4 ; spotting, 50, 5654 ; study of machines, 50, 3314 : for aluminium, 50, solns., 50, 98.4 ; white spots on de­ 712.1; Madison-Kipp, 50, 508/1; re­ posits, 50. 316/1. conditioning, 50, 7124; Spark Plug Tellurium, 50, 636/1. Co’s., 50, 267.4 ; wear of dies, 50, 712/1. Tin, 50, 178.4, 636/1, 760.4 ; on cast-iron practice, 50, 508.1. pistons, 50, 633/1, 760.1 ; pamphlet, pressure, alloys for, 50, 2674 ; machines 50, 3354. and processes, 50, 3314; of arma­ Titanium on iron, 50, 5514. tures, 50, 123.4; preparation of Tungsten, 50, 3 8 1 4 ; from aqueous moulds, 50, 268.4 ; Spark Plug Co. solns., 50, 994. machine, 50, 2674 ; steel for moulds, Zinc, anodes for, 50, 7604 ; book, 50, 50, 2674. 604 ; cathodic, from aqueous soln. of processes, advantages and disadvantages, zinc sulphato, polarization potential, 50, 3314. 50, 6334 ; detn. of zinc content of report, of A.S.T.M. ctteo., 50, 323.4, bath, 50, 565/1 ; discoloration of de­ 581.1. posits, 50, 5654 ; effect of mercury scope, 50, 123.4. in oyanido solns., 50, 994, 2494; technique, 50, 775.1.- layout of small plant, 50, 1784 ; on Dia-casting of— aluminium and Duralumin, 50, 6694 ; Aluminium elect, rotors, 50, 774.1 ; on steel, effect on endurance proper­ utensil spouts by slush process, 50, ties, 50, 4824, 670.1 ; tensions of de­ 1234. posits, 50, 4514 ; tcsting'of zinc salts, Aluminium-“ bronze,” 50, 1234. 50, 6654 ; throwing power of solns., Tin-antimony alloy gas-meter valves, 50, 50, 474, 6824. 2614. Zinc-cadmium alloys, barrel, 50, 474. Zinc-base alloys, 50, 267/1; high- Deposits, quality, use of high-ęrade zinc essen­ adhesion to metals, detn., 50, 3594. tial, 50, 581/1 : recommended praetico corrosion-resistance to sea-water, 50, (American), 50, 774/1. 7424. Die-castings, electro-, structure, 50, 6714. aluminium-base. Sco Aluminium alloys. exposure tests, prepn. of specimens, 50, finishes, 50, 581/1. 6094. zinc-base. Seo Zinc alloys. hardness, 50, 7604. Die-pressing o f— porosity, detn., 50, 2504. Aluminium alloys, 50, 4964. protective, 50, 4834 ; effect- of nature Magnesium alloys, 50, 4964. and properties of basic materials, 50, Dies, design, book, 50, 525/1. 4814. Diffusion, 50, 5.4. structure, 50, 3174. coefficient, effect of temp., 50, 291.1. tensions, 50, 4514. inter-, 50, 5974. Detinning, 50, 2774, 4014, 521.1. with formation of intermetallic com­ Dezincification. Seo Corrosion. pound, 50, 470.1. Diamagnetic metals, magnetic suscepti­ Diffusion of— bility, effect of plastic deformation, Bismuth in lead, 50, 723.1. 50, 6604. Cadmium into copper, 50, 4704. Diamagnetism of— Copper into gold, 50, 339.1. Bismuth, anomalous, 50, 4174. Silver in load, 50, 7234. Colloidal metals, 50, 2174. Solid metals, velocity, influenco o f temp., Free electrons in metal, 50, 3434. 50, 6624. Metal crystals, 50, 2184. Thallium in load, 50, 7234. Solid solutions, 50, 6654. Tin in load, 50, 7234. Diaspore. See liefractory materials. Zinc into 3-brass, 50, 4704 ; into iron, Dictionaries (technical), 50, 4704. English-German, 50, 2834, 718.4. Dilatation. S eo Expansion. English-German-French, 50, 4154. Dilatometers. Seo Laboratory apparatus. Subject Index 827

Dilatometric analysis, 50, 228.1, 311.-1, Duralumin, 543.4. corrosion, accelerated tests for suwcepti- Dimensions, infinitesimal, measurement, bility to intercrystallino attack, 48, 50, 924. 167 : as affected by compn., 50, 1604, Dinas bricks. See Refractory materials. 2294 ; influence of hoat-troatment Dissolution of metals in non-metallic temperature, 48, 179; intercrystallino, solvents, 50, 7254. 48, 165 (P a p er); methods of test, Dognat, 50, 7354. 50, 2334. Dr.-Ing. dissertations, German, index corrosion-embrittlement, weather ex­ (1923-1927), 50, 2884 (review). posure tests, 50, 1604. Dowmetal, corrosion-fatigue, 50, 424. compositions, 50, 6044. creep, 50, 4774. properties, 50, 004.1, 0054. cylinders, thin walled, strength tests in uses, 50, 0054 ; in trailer cars, 50, 6914. torsion, pamphlet, 50, 7834. Drawing, dynamic strength properties, 50, 6004. cold-, cooling and lubricating materials, effect of iron, 50, 604, 2214, 4714. 50, 1164. elastic properties, effect o f temp., 48, 255. deep-, book, 50, 4094 (review ); dies equilibrium relations, 50, 2224. for, 50, 7674 ; researches, 50, 564, factors of safety, 50, 2244. 5744. fatigue, 50, 7534 ; effect of lanoline deformation and structure, 48, 327. coating, 49, 103; tests in shoar, 50, deformation during, 48, 335. 2114. rates of change of shape, 50, 5024. forging, 50, 1104; furnaccs and tools, 50, 1184. hammers for, 50, 7034. Drawing of— hardness, change caused by bonding, Aluminium alloys, 50, 4964. 50, 6594. Elektron, 50, 1554. heat-treatment, 50, 1104. Magnesium alloys, 50, 4964. improvement, recent work, 50, 124. Wire. See Wire-drawing. mechanical properties, alteration as Zinc, deep-, 50, 5044. function of working and subsequent Drilling, continuous, 50, 7674. heat-treatment, 50, 7454 ; effect of Drilling of— iron, 50, 4714. Light alloys, small diam. drills, 50, notch-toughness, effoct of temp., 50, 2604. 4244. Drop-forging of— properties at high temps., 50, 4774. Aluminium alloys, 50, 5744. protection by Schoop inetal spray Durability, 50, 27G4. process, 50, 7424. Duralite, 50, 6614. protective coatings, evaluation, 50, 3044. Duralplat, résumé of present knowledge, 50, 2224. corrosion, in North Sea, 49, 135 (P aper). retarding of structural change by low- riveted joints, corrosion, 50, 7384. temp, treatment, 50, 3534. sheet, properties, 50, 4244, 7284. rigidity, temp. coefT,, 50, 824, 1584. Duralumin (see also A vional and under riveting, countersunk, 50, 3824. names of constituent metals), rivets, investigation on, 50, 208/1, 5704 ; age-hardening, 48, 200 ; 50, 3474 ; use in aircraft, 50, 534. at room temp., X-ray study, 50, sheet, alteration of mech. properties 362.1 ; effect of cold-rolling, 50, 424/1 ; after corrosion by sea-water, 50, effect of magnetic treatment, 48, 212 ; 7384 ; bonding, elastic and plastic 50, 6604 ; effect of stretching after deformation during, 50, 5354. quenching, 50, 104, 7284. stress-corrosion cracks, 50, 7384. aircraft fuselage, construction, 50, 2544 ; stress-endurance curves, 49, 27. disadvantages, 50, 6874. tempering, effoct, 50, 3474. aircraft spars and floats, construction, tensile properties at high W nps.,50, 1774* 50, 2544. tensile testing o f thin sheet, influence aircraft wings, manuf., 50, 1814. of shape of test specimen, 50, 0704. aluminium-coated, 50, 6694. See also texture, alteration as function of working Duralplat, &e. and subsequent heat-treatment, 50, annealing, 50, 7644 ; thermal effect, 7454. dilatometric investigation, 50, 7274. uses, 50, 2554 ; in aircraft construction, beams, tests, 50, 3134. 50, 1814, 5674, 5684 ; in French bending, 50, 5754. all-metal fighter, 50, 5674 ; in loatlior book, 50, 6514. industry, 50» 3734 ; in mine skins, cadmium-plated, resistance to sea-water, 50, 6874 ; in ship construction, 50, 50, 7424. 3204. cadmium-plating for protection, 50, welding, 50, 112A. 0904, 6 9 7 4 ; in . 6694. aircraft, research at IJ.8. Naval columns of equal angle section, com­ Aircraft Factory, 50, 1864. pressive strength, 50, 4054, 6604. wire, investigation on, 60, 208/1, 702/1 ; connecting rods, construction of bearings, rnanuf., methods reviewed, 50, 702/1, 50, 3204. zinc-plating for protection, 50, 6694. 828 Subject Index

Duriraet, 50, 669/4. Electrical conductivity of—• Duriron, corrosion by iodine, 50, 303.4. Aldrey wire, offoct of raech. and thermal Dvi-manganese. See Rhénium. treatment, 50, 294/1. Alkali metal amalgams (liquid), 50, 733.4. Aluminium, 50, 10.1, 425.1 ; conductors, Elastic after-effect, 50, 408.1. etfccfc of annealing, 50, 65/1 ; effect Elastic constants of— of iron, 50, 66/1 ; offoct of vanadium, Magnesium single crystals, 50, 212.4. 50, 472.4 ; increase by thermal treat­ Elastic deformation, thermal efforts, 50, ment, 50, 65.1 ; wire, offoct of moch. 468/1, 658.1. and thermal treatment, 50, 294.4, Elastic hysteresis, 50, 468.4. 417/1. Elastic limit, 50, 558.1. Aluminium-copper alloys, 50, 10.4 ; importance in design, 50, 752.4. wire, effect of moch. and thermal use of term, 48, 269. treatment, 50, 294.4. Elastic limit of— Alumiuium-copper-silicon alloy wire, A .P. 33 alloy, 50, 425.4. effect of meeh. and thermul treat­ Duralplat, 50, 424.4, 728.4. ment, 50, 294/1. Gold-copper alloys, 50, 474.4. Aluminium-magnesium alloys, 50, 10.4. Metals exposed to tri-axial stress, 50, Aluminium- silicon alloys, 50, 10.4 ; 658/1. wire, offeet of moch. and thermal Nickel-iron alloys, magneto-elastic treatment, 50, 294/1. phenomena in relation to, 50, 350/1. Bismuth (molten), effect of solution of Silver-copper alloys, 50, 351.1. bismuth chloride, 50, 66/1. Elastic properties of— Cadmium, singlo crystals, 50, 596/1. Wrought light metal alloys, effect of Copper, 50, 658.4. temp., 48, 255. Ferromagnetic materials, changes in Elastic strains, X -ray analysis, 50, 445.4. magnetic fields, 50, 534/1. Elastic stresses, investigation, modification Gold-nickel alloys, 50, 16.-1. of photo-elastic method, 50, 753.4. Gold-silver alloys, 50, 474.-1. Elastic tests. See Testing. K.S. -Seewasser, 50, 10.-1. Elasticity, Magnesium, 50, 10.4. and strength, 50, 7.4. Magnesium alloys, 50, 732.-1. at small stresses, 50, 245.1. Magnesium - aluminium-silicon alloys, law, for isotropic and quasi-isotropic 50, 10.1. substances by finite deformations, Magnesium-cadmium alloys, 50, 10/1. 50, 291.1. Magnesium-cerium alloys, 50, 10.4. Young’s modulus, detn., piezo-eloctric Magnesium-copper alloys, 50, 10.-1. oscillators for, 50, 312/1. Magnesium-manganese alloys, 50, 10.4. Elasticity of— Magnesium-silicon alloys, 50, 10.4. Duralplat, 50, 424.4, 72S.4. Magnesium-zinc alloys, 50, 10/4. Magnesium, 50, 2.4. Molten metals, change in magnotic Nickel, modulus, effect of magnetization, field, 50, 432.1. 50, 147.4, 419.1. Pressed metal powders, 50, 217.4. Rods, modulus, detn. by means of Ruthenium, 50, 419.4. bending vibrations, 50, 174/1, 447.4. Ruthenium carbide, 50, 419/1. Elasticometer, 50, 93/1, 490.4. Silicon (molten), 50, 521.-1. Election of— Silver-copper alloys, 50, 351/1. Auditors, 48, 19. Telcktal, wiro, cfTcct of moch. and Members, 48, 18, 315; 49, 15. thermal treatment, 50, 294/1. Officers, 46, 17. Tungsten carbide, 50, 419.4. Student Members, 48, 18, 315; 49, “ Y ” alloy, 50, 10. 1 . 15. Zinc, singlo crystals, 50, 596.1. Electric filament lamp, manufacture, 50, Electrical properties of— 108/1. Contacts between metal and semi­ Electric furnaces. See Furnaces. conductor, 50, 293.-1. Electric heating materials, roport of Copper films, 50, 343.4. A.S.T.M. cttee., 50, 693.4. Nickel films, 50, 343.4. Electric susceptibility, theory, book, 50, Platinum films, 50, 343/1. 719.4. Silver films, 50, 343.1. Electric welding. Seo Welding. Zinc singlo crystals, spectroscopically Electrical conductivity (seo also Electrical pure, 50, 3.4. resistance), Electrical resistance (soo also Electrical and thermal conductivity, constant ratio, conductivity), 50, 598.4. British Association standards, 1865- constant ratio between thermal con­ 1932, 50, 659.4. ductivity and, 50, 217/1. change at Curie point, 50, 344.-1. mathematical explanation, 50, 72.1. change caused by cold-working, theory, part played by protons, 50, 9/1. 50, 726.4. theory, 50, 8-4, 9.4, 598.1 ; modern, change produced by hydrostatic pressure, 50, 217.1. theory, 50, 422.4. Subject Index 829

Electrical resistance, Electrical resistance of— dispersion theory applied to, 50, 599/1. Tungsten films, 50, 596/1. effect of torsion, 50, 659/1. Zinc, for temps, below 90° K., 50, 726.4 ; relation to temperature coefficient, 50, (molton), 50, 152/1. 598/1. Electricity, industrial, hand-book, 50, specific, and its tomp. cooff., definition, 135/1. 50, 217/i. Electrochemical industry, theory, 50, 599/1. progress, 50, 683/1. very high values, measurement, 50, 677/1. Swedish, 50, 100/1. Electrical resistance of— Electrochemical periodicities, 50, 684.4. Aluminium, effect of cold-work, 50, Electrochemistry, 337/1. books, 50, 133/1, 283/1. Aluminium-silicon alloys, effect of industrial, books, 280/1, 285/1 (review), hcat-treatment, 50, 347/1. 404A. Barium at low temps., 50, 593/1. metals in, 50, 100/1, 453/1. Brass (molten), 50, 152/1. report of cttco. of A.I.E.E., 50, 252/1, Bronze (molten), 50, 152/1. 317/1. Cadmium, for temps, below 90° IC., 50, Electro-deposition. See Deposition. 72G/1. Electro-deposits. See Deposits. Constantan, A.S.T.M. test for detg. Electrode potential, clmngo with temp., 50, 91/1. equilibrium distribution, 50, 72/1. Copper, crystals at temps, below 90° K.» periodic changes, 50, 452/1. 50, 72G/1 ; (molten), 50, 152/1. Electrode potential of— Copper-cadmium alloys, 50, 152/1. Cobalt, 50, 684/1. Ferromagnetic materials, change in Ferro-chromium anodes at different c.d. magnetic field, 50, 72/1. and hydrate concns., 50, 637/1. Films, 50, 596/1 ; prepared by cathodic Ferro-manganese anodes at different c.d. projection, 50, 72/1. and hydrate concns., 50, 637/4. Germanium, effoct of temp., 50, 8/1. Lead, 50, 452.1. Gold, for temps, bolow 90° IC., 50, 726-4. Manganese, 50, 79/1. Gold alloys, 50, 15A. Manganese-iron alloys, 50, 605.4. Gold-silver alloys, 50, 474/1. Manganese-silver alloys, 50, 79.1. Graphite at low temps., 50, 593/1. Molybdenum in potassium hydroxide Heusler’s alloys, change in magnetic solns., 50, 637.4. field, 50, 152/1. Zinc, 50, 50-4 ; single crystals, 50, 452.4. Indium at low temps., 50, 593.4 ; for Electrodes, temps, below 90° K „ 50, 720/1. overvoltage. See Overvoltage. Iron, change in magnetic field, 50, 152.4. passivity. Seo Passivity. Lead, for temps, below 90° K ., 50, 726/1 ; quinhydrone, prepn. and reproducibility, in magnetic field at temps, bolow 50, 239.4. superconducting point, 50, 594/1. Soderberg, 50, 332.1. Magnetostrictive metals, change in Electrolysis— magnetic field, 50, 340/1. in melts of phosphates, 50, <61-4. Manganin, A.S.T.M. test for detg. in residual current range, effect of .change with temp., 50, 91/1. applied voltage, 50, 684.4. Molten metals, detn., 50, 152/1. Electrolysis of— Nickel, at Curie point, 50, 344/1 ; change Alloys, molten and solid, 50, 605/1. . in magnetic field, 50, 340/1 ; temp. Molten salts, book, 50, 280/1. coefT., 49, 288. Electrolytes, conductivity, bridge for Platinum, for temps, bolow 90° Iv., 50, measurement, 50, 684.4, 726/1 ; thin films, variation with Electrolytic analysis. Seo Analysis. temp., effoct of nature of support, Electrolytic deposition. Seo Deposition. 50,213/1. Electrolytic refining. Seo Refining. Platinum-iron alloys, 50, 299.4. Electrolytic valve action, Powdered metals under pressure, 50, 50, 216/1, 684.4. 5/1. . theory, 50, 101/1; 453/1. Electromagnets. See Laboratory apparatus. Silicon, effect of temp., 50, 8/1. Electrometallurgical industry, progress, 50, Silver films, 50, 596/1. Silver-copper alloys, temp, coeff., 50, 683.1. 351/1. Electrometallurgy, Tantalum, 50, 420/1. Tellurium single crystals, effoct of an­ r e p o V o i tttec. of A.I.E.E., 50, 252.4, nealing, 50, 213/4. 317.1. Thallium at low temps., 50, 593/1. Electromotive force of— Thorium, for temps, below 90° K ., 50, Alloys, variations, in formation by wot 726.4. method, 50, 494^1. Tin single crystals at temps, below 90° Gold- silver alloys, 50, 474.4. K ., 50, 726/1. Electromotive forces, oxistence in d o «* ! metallic circuits of uniform temp., 5U, Titanium at low temps., 50, 593/1 ; effect of temp., 50, 8.4. 351.1.. 830 Subject Index

Electron (alloy). See Elektron. Enamelling, book, 50, 333/1. Electron emitting alloy, 50, 79/1. Enamelling of— Electron theory of motals, 50, 440.4. Copper wire, 50, 236.4, 702.4. Electronic energy levels, connection with Endurance. Seo Fatigue. sizes and olectronic states of atoms Endurance limits of— in motallic crystals, 50, 421/4. Magnesium alloys, 50, 474/1. Electrons, Endurance properties of— book, 50, 457.-1. Monel metal at low temps., 50, 79.4. deflection by adsorbed gaseous layers Endurance strength of— on motallic surfaces, 50, 747.4. Threaded rods, increase, by surface pres­ diffraction l>y metal surfaces, 50, 747.4. sures, 50, 14.4. surface, 50, 440.4. Endurance testing. See Testing. Elektron (see also Magnesium alloys), Enduro A, corrosion by milk, 50, 302.4. casting, 50, 154.4, 507/4 ; removal of Engineering, noxious gasos, suction apparatus, 50, directory, 50, 717.4. 508.4. handbook, 50, 459.4. castings, porosity, 50, 007.1. research, 50, 779.4. characteristics, 50. 78.1. who’s who in, book, 50, 139.4. compression strength, 50, 154.4. Engraving blocks, correcting, by projected corrosion-fatigue, 50, 42.1. olectrolyte, 50, 250/1. drawing, 50, 155.1. Entropies of inorganic substances, book, dynamic strength properties, 50, 600.4. 50, 588/1. elastic properties, effect of temp., 48, Equilibrium diagrams, 255. liquidus curve, does a mean horizontal endurance, 50, 285.4, 558.4. portion exist botween two eutectic endurance bending strength, 50, 154/1. points?, 50, 543/1. extrusion, 50, 155.4. ternary, 50, 665.4. hardness, 50, 154.4 ; effoct of porosity, x-ray study, 50, 36/1. 50, 6074. Erayde, 50, 665.4. inflammability, 50, 17.4. Erichsen testing. Seo Testing. machining, 50, 154.4. Erichsen value of— mechanical properties, 50, 17.1, 154.4, Aluminium, effect of rolling, 50, 69.-1. 430.4. Copper, effect of rolling, 50, 69/1. melting, 50, 507.4. Silver, effoct of rolling, 50, 69.-1. melting point, 50, 154.4. Silver-copper alloys, effect of rolling, 50, physical properties, 50, 17.4, 154.4, 430.4. 69.-1. protection by solenium and other coating Erosion of— processes, 48, 147. Turbine blades, 50, 230/1; efficiency review of data, 50, 732/1. effect on radial flow turbine, 50, 739.4. rolling, 50, 155/1, 507.4. Error, probablo, 50, 208/1, 280/1. sand-castings, strcss-elonçation, stress- Estimation. Seo Analysis. bonding, and stress-slip diagr., 50, Etching, 726/1 ; vibration strength, 50, 726.4. crystal faces developed by, increase of sawing, 50, 118.4. surfaco area duo to, 50, 7.4. stress-corrosion cracks, 50, 738.4. Etching (metallographic), handbook, 50, tensile properties, 50, 154/1. 140.-1 (review). tensile testing of thin sheet, influonco of Etching reagents for— shapo of test specimen, 50, 679-4. Lead and its alloys, 50, 485.4, 744.4. turning, tools, 50, 260.4, Eutectal, heat-treatment, 50, 224/1. ultimate stress, 50, 17.4. Eutectics (SCO also A lloys), uses, 50, 106/4, 154.4 ; in aircraft and binary, thermodynamics, 50, 353/1. automobiles, 50, 17.4; in automobiles, Eutectoid alloys, tempering and annealing, 50, 78.4 ; in oil industry, aero and 50, 256.4. nutomobilo, and textile industries, 50, Everdur, 17.4. composition, 50, 321/1. welding, 50, 155.4 ; danger, 50, 53.4 ; corrosion-resistance, 50, 295.4. o f crankcases, 50, 698/1. mechanical properties, 50, 295.4. Elements. See under names of elemonts, uses, 50, 321.4. properties, &c. welding, 50, 572.4 ; of largo vessels, 50, Elinvar, 112/ 1. hairsprings for watches, 50, 381,1. Expansion (seo also Volume changes), 50, review of recent work, 50, 664.4. 533.1. Elkonite, uso in glass machinery, 50, 693.1. Expansion of— Elongation (seo also Tensile properties, Aluminium alloys, 50, 76.-1, 726.4. &c. ), Bismuth single crystals, X-ray studies, measurements, value in practice, 50, 50, 593/1. 150/1. Chromium (electrolytic), 50, 146/1. small, apparatus for measurement, 50, Copper-tin-lead alloys, 50, 729.-1. 171.4. Copper-tin-zinc-lead alloys, 50, 729/1. Eloxal process, 50, 30/1, 567/1, 669/1. Gold-silver alloys, 50, 474/1. Subject Index 831

Expansion of— Fatigue, Heat-resisting alloys, 50, inn.!. review of present position, 50, 174.4. Iron-chromium alloys, 50, 155.-1. summary of present knowledge, 50, Lead, .thermal, 50, 290.-1. 469.4. Magnesium, 50, 2.1; singlo crystals, 50, test results, significance and limitations, 212.1. 50, 469.1. Magnesium alloys, 50, 726.4. testing. See Testing. Nickel-chromium alloys, 50, 155.-1. testing machines, Seo Testing machines. Nickel-chromium-iron alloys, 50, 155.4. theory, 50, 149.4, 421.4, 597,1. Non-cubic metals, dctn., 50, 4SO.!. Fatigue cracking, 48, 244. Palladium, 50, 69.-1. Fatigue fracture regularities, 50, 342.1, Rhodium, 50, 00.-I. 725/1. Rods, fused quartz extensometer to Fatigue limit, determination, special measure, 50, .'112.-1. mothods, 50, 43A. Zinc, 50, 725.-1. Fatigue of— Extensometers. Seo Testing machines. Aircraft materials, 49, 102. Extrusion, 50, 327.4, 387/1, 504.4. Aluminium, 50, 530.1. defects. 50, 326.1, 327.4. Aluminium alloys, 50, 530/1. deformation in, 48, 330. Brass, 49, 107; 50, 211.4, 753.1. early experiments, 50, 320.-1. Cold-drawn wires, torsional, 50, 174.1. flow in, mechanism, 50, 58.4, 387-4. Copper, 49, 107; 50, 211.4. Hooker process, 50, 703.-1. Duralumin, 50, 211.4, 753/1 ; effect of laboratory investigations, value, 50, 5S.4. lanoline coating, 49, 103. plant, 50, 326.1. Iron, 50, 753.1. power requirements, 50, 56.1, 58.-1, 387.4. Magnesium alloys, 50, 530.4. presses, designs, 5 0 ,191.-1 ; hydraulic, 50, Magnesium-aluminium alloy, effect of 326.4 ; improved, 50, 387.-1 ; Judgo, 50, lanoline coating, 49, 103. 703.4; modern, 50, 117.1. Monel metal, 50, 753.4. pressure at different temps., 50, 573.4. Steels, 49, 107; 50, 530.4 ; effect of processes, comparison, 50, 326.-1. lanoline coating, 49, 103. Extrusion of— Telephone cable sheath alloys, 50, 539.4. Aluminium, 50, 703.-1 ; oleetrolytic con­ Fatigue strength, increasing. 50, 216/1. ductors, 50, 703.4. Feed-water, effects of impurities, 50, 83.1. Aluminium alloys, 50, 496.1. Ferro-alloys, Brass, bars, section and tubes, 50, 504.4 ; book, 50, 784/1. variations in microstructure, 50, report of A.S.T.M. cttee., 50, 498/1. 503.4, 703,1. Ferro chromium (seo also Iron-chromium Elektron, 50, 155.4. alloys), Hollow sections, 50, 326A. electrode potentials of anodes nt different Lead, cablo sheath, 50, 573.-1 ; cablo- c.d. and hydrate concns., 50, 637--1. plioath, Judgo press, 50, 703/1 ; power Ferromagnetic materials, consumption, 50, 58.1. book, 50, 526.1. Magnesium alloys, 50, 496.-1. developments, 50, 605/1, 733.4. Non-ferrous metals, development, 50, effect shown in alternating electro-mag­ 191.4. netic fields, 50, 218/1. Tin, power consumption, 50, 5S.4. elastic properties in region of Curio point, Eye-protection glasses with metal coatings, 5 0 .4 1 0 .4 . 50, 094.-1. electrical conductivity, clianges in mag­ netic fields, 50, 534/1. electrical resistance, change in magnetic Factor of safety, 50, 7.-1. field, 50, 72.4. . Faraday effect in ferromagnetics, 50, inhomogeneities in magnetization, 50, 218.4. 7 5*4. Fatigue, isotropic, theory of magnetization curves atmospheric action as factor, 49, 93 in medium and strong fields, 50, (Paper). 3-46.4. . . , corrosion-. Seo Corrosion -fatigue. magnetic permeability in high-frequency determination under alternating stresses, electromagnetic fields, 50, 2.4, 3-4. 50, 530.-1. magnetization, and magneto-caloric discussion, 50, 291.1. elTect, 50, 9.1 ; intrinsic, relation to other properties, 50, 10/1. effect of lanoline grease, 49, 10 2 . elementary discussion, 50, 469.1. magnetostriction, 50, 73*1. historical, 50, 058.1. regions of different ferromagnetic con­ misconceptions, 50, 312.1. dition, method of rendering visible, oxygen as factor, 49, 62. 50 219/1. repeated bending during rotation, change remanance phenomena, theory, 50,346/1. in mech, properties under test for, 50, thermoelectric properties, 50, 228.-1. 468,1. Ferromagnetic saturation of elements other report of A.S.T.M. ctteo., 50, 290-4, than iron, nickel, and cobalt, 50, 469/1, 74.4. 832 Subject Index

Ferromagnetism, Flue gases, corrosion of sprayed metal and electrical properties, 50, 218.4. coatings, 50, 230/1. Faraday effect, 50, 218/1. Fluidity, new experimental methods, 50, 312/1. compression, 48, 48, 59. part played by conduction electrons, 50, pressure Of, and Bridgman’s hydrostatic 344.4. coilapso pressures, 48, 57 ; Stead's phenomena, interpretation, 50, 345.4. tonsiio value “ a ” and, 48, 58 ; wire­ theory, 50, 75.4. drawing and, 48, 63. Ferromagnetism of— Fluidity of— Manganese-boron alloys, 50, 220.4. Annealed metals, pressure of, 48, 47 Manganese-nitrogen alloys, 50, 226/1. (Paper). Nickel, associated with conducting elec­ Fluxes, 50, 194.1. trons, 50, 346.4. requirements, 50, 506/1. Niekel-chromium alloys, 50, 733/1. Fluxes for— Nickel-manganese alloys, and phase con­ Aluminium, 50, 263/1. figuration, 50, 20/1, 430/1. Magnesium alloys, comparison, 50, Ferro-manganese, electrode potentials of 266/1. anodes at different c.d. and hydrate Precious metal drosses, 50, 266/1, 331/1. conens., 50, 637/1. Fogging of— Ferro-molybdenum, A.S.T.M. tentativo Nickel, 48, 121 (Paper). specifications, 50, 322/1. ** Foils (seo also Aluminium, had, tin, &e.), Ferro-tungsten, estimation of tin, 50,670/1. cold-cutting, -punching and -stamping, Fescolizing, 50, 682.4. development. 50, 191/1. Filaments (sco also T-ungsten, &c.), deposition, 50, 565/1. heated in vacuo, burning-out, 50, 3.4. manufacture, 50, 185/1. hot, reactions at surface, 50, 340/i, 341.4. uses, 50, 185.1. oxide-coated, electrolytic phenomena, 50, Food containers, tinplate. Sco Tinplate. 70.4 ; origin of enhanced emission, 50, Foods, coatings resistant to, 50, 234.4. 220/1, 634/4. Forging of— tenacity, piezo-electric detn., 50, 446/1. Aluminium alloys, 50, 110/1, 192/1. Films, Brass, variations in microstructurc, 50, adhesion to metals, detn., 50, 359.4. 503/1, 703/1. crystalline structure, 50, 237.4, 552.4, Duralumin, 50, 110/1. 617/1, Hiduminium E.E. alloys, 50, 110/1. effect of aeid vapours, 50, 292/1. Magnesium alloys, 50, 192.4. electrical properties, 50, 343.4. “ Y ” alloy, 50, 110/1. electrical resistance, 50, 596.1. Farming, electrodeposition, 50, 565.4. die, for radiator fins, 50, 574/1, 767/1. magnetic properties, 50, 599/1. tools, 50, 118/1. mounting under tension, 50, 624.1. 43 alloy. Sco Aluminium alloys. registration of cathode rays, 50, 292/1. Foundry, sputtered. See Sputtered films. calculations, 50, 268/1. structure, apparatus for examination, congress, Milan, 1931, report, 50, 717/1 ; 50, 16.1. Paris, 1931, resumé of papers, 50, thin, connection between olcct. conduct* 708.4. ivity and structure^ 50, 37/1 ; func­ costs, control, 50, 770/1. tional relations between sp. resistance defects, 50, 770.1. and thickness, 50, 37/1 ; importance economies, 50, 122.1. of study, 50, 37/1 ; prepared by equipment, 50, 12 2 .-1 . cathodic projection, elect, properties, large and small, 50, 122/1. 50, 72/1 ; prodn. by cathodic sputter­ metallurgist, duties, 50, 769/1. ing, 50, 71.4 ; sp. resistance and struc­ practice, book, 50, 141.1 (review), 404/1, ture as functions of temp., 50, 37/1. 525/1, 591/1 (review ); brass, seo Finishing. See Colouring, Deposition, &c. B ra ss; developments, 50, 122.4; Firebox. Seo Locomotive#. ferrous and non-ferrous compared, Firebrick. See Refractory materials. 50, 769/1 ; non-ferrous, recent de­ Fireclay. Seo Refractory materials. velopments, 50, 194/1. Fissures, physical natures and significance, . railway, G.I.P., 50, 769/1. 50, 71/1. Fracture, Flaws, detection, 50, 625.1. complete, structural variations, 50, Flow lines, 48, 319. 342.4. Flow of— fatigue-. See Fatigue. Solid metal aggregates, 50, 659.1. under repeated stress. See Fatigue. Flow pressure at low temps., 50, 291/1. France, Flow surfaces, Chambon-Feugerolles, history of metal- arrangement, in rolling, 48, 322. lurgy at, book, 50, 404/1. formed during transverse compression of Frary metal, 50, 10 2 /1 , 510/1. cylinders, 48, 323. Frazing machine, 49, 395. theoretical course, 4S, 321. Freezing point of— Flowability. See Castubility. Platinum, 50, 68/1. Subject Index 833

Fruit juices, action on chromium-plating, Furnaces, 50, 3764. rocking, appns., 50, 5834, 7774; Fruit preserves, corrosion by, 50, 4354. rôle play od by self-induction, 50, Fuels (soo also Coal, Coke, &c.), 3934. consumption in metallurgical works, 50, electric heat-treatment, 50, 3934, 6424 ; 3934, 3944. conveyor-type, 50, 3934 ; for alumin­ for copper-refining furnaces, comparison, ium sheets, 50, 5114; types, 50, 50, 3934. 5124. for iron and steel industry, 50, 5134. electric induction, corôless, 50, 3934; heat of combustion, 50, 2714. for crucible melting, 50, 7764 ; high- review of work dono in 1931, 50, 3944. frequency, 50, 3934 ; high-frequency, solid, mechanism of combustion of for molting silver, 50, 5834 ; high* individual particles, 50, 3944. froquoncy ironless, development, 50, technical data, book, 50, 7834. 2704 ; installed at French works, 50, testing, 50, 5204. 5114; low-frequency, development, Furnaces, 50, 1314 ; metallurgical charac­ adaption of mirrors, 50, 1294. teristics, 50, 51 14; with ferro­ aluminium melting, olect., 50, 1974. magnetic muffle and automatic temp, annealing, heat balance, calculation, 50, regular, 50, 2704, 3934. 5824; hoat-transfor to non-ferrous electric melting, 50, 6424, 6434 ; for metals, 50, 4504. aluminium, 50, 1974, 3924, 3934; automatic control, 50, 7704. for brass, experiences, 50, 1314 ; Brandt, 50, 1304. for copper, experiences, 50, 1314 ; brass melting, use of iron and steel in, for copper and its alloys, experiences, 50, 3314. 50, 1314. brazing, 50, 18G4; with controlled electric resistance, calculations, 50, atmosphere, 50, 1314. 5 1 14; for high temps., tests on coal dust-fired melting, without crucibles, resistance materials, 50, 3934 ; im­ 50, 5114. proved, 50, 1314 ; with Nichrome copper melting, uso of iron and steel in, lieating elements, 50, 6434. 50, 3314. fuel-fired, comparative values of heat copper-refining, comparison of fuels, 50, of coal, oil, and gas, 50, 6424. 3934. galvanizing, olect., 50, 324, 1304, core-baking, gas-fired, 50, 1304. 3314, 3924. decentralization, in continuous produc­ gas-fired, advantages over oil and tion plant, 50, 4504. electricity, 50, 5124 ; burner design, design, 50, 5114. 50, 1304 ; controlling devices, 50, electric, 50, 7704 ; advances, 50, 1304 ; 2704; developments, 50, 5104; Ajax—Wyatt, for molting Muntz metal, developments in burners, 50, 5124 ; material and heat balance, 50, 5114 ; for core-baking, 50, 1304 ; for high atmosphere control by eloctroleno temps., 50, 2704 ; for molting brass, producer, 50, 1314; Ajax-VVyatt, 50, 1304 ; gas pressure regulation, soamless refractory shells for, 50, 50, 1304; industrial, 50, 1304; 5834; stopping and restarting, 50, investigation and calculation of 5834; Birloc continuous conveyor, burners, 50, 5824 ; Novopress, 50, 50, 5 1 2 4 ; designs, 50, 1974; 5104 ; ro-cireulation system, 50, development of industries based 3924 ; single-point control, 50, on, role of Moissan, 50, 0424; 5104 ; temp, control, 50, 1304. for wire galvanizing, 50, 324 ; indust, gas-fired annealing, 50, 77 64; for appns., 50, 2704; Miguet uni- aluminium, 50, 7764. phase, 50, 0 4 2 4 ; patent classifica­ gas-fired bright-annealing for copper tions in U.S. Patent Office, 50, 1984, wire, 50, 5824, 7704. 7774 ; principles of design, 50, 3324 ; gas-fired heat-treatment for wire, 50, regulation by tension variation, 50, 5834. 7774 ; rhodium alloys for windings, gas-fired melting, 50, 5824. 50, 6 4 3 4 ; Russ, 50, 1984, 7774 ; hardening, temp, control, 50, 7774. tungsten wire, for very liigh temps., heat balance, 50, 5824. 50, 2704; Wild-Barfield, improve­ heat transfer, 50, 1294. ments, 50, 6434. heat-treatment at Koltchugalumin works electric annealing, 50, 2714, 5124, (CJ.S.S.K.), 50, 51 24; electric, see 5834, 7774 ; (bright-), for copper F u rn a ces, electric heat-treatment ; sheet, 50, 0944; continuous, for modem, 50, 3924. metal bands, 50, 2714; continuous, heating elements, chromnim-mckel, for strip, 50, 7054; economy and reduction of deterioration, 50, 7764. thermal efficiency, 50, 3324; for Helberger, universal melting, 50, 5824. aluminium, 50, 1854, 3924, 5834; industrial, book, 50, 4604. for brass strip, 50, 2 7 1 4 ; for copper inspection window, 50, 1294. coils, 50, 5114 ; for strip, 50, 5 7 0 4 ; laboratory. See Laboratory apparatus. large, 50, 2704. melting for aluminium, stationary- electric arc, automatic control, 50, 3324 ; hearth, 50, 7764 ; so mi-rotary, for VOL. L. 4a 834 Subject Index

Furnaces, Galvanizing, gun-metal, 50, 582-1 ; small, relative continental practice, 50, 612.4. merits of gas and oil as fuel, 50, 776A. corrosion between pickling and, 50, 482.4, metallurgical, book, 50, 207/1; 483.1. mechanical stokers, 50, 642/1. developments, 50, 31.1. normalizing, Kathner, 50, 511/1. effect on endurance properties of steel, oil-fired, advantages, 50, 642/1 ; ellip­ 50, 482.4, 670/1. soid, 50, 130/1, 392.4; for brass electro-, advantages, 50, 163.1 ; struc­ molting, 50, '392/1; types, 50, 642/1. ture of coatings, 50, 163/1. oil-fired tieat-treatinent for wire, 50,583-1. flux conditioners, 50, 670/1. open-hearth, fundamentals of design, fluxing, theory of mechanism, 49, 176. 50, 643.4. furnaces, olectric, 50, 331/1 ; electric, for recent types, 50, 129-4. wire, 50, 130/1. reverberatory, for molting brass scrap, “ hard zinc ” formation, 50, Gll/1. 50, 390/1, 773-4 ; pulverized fuel hot-, cadmium-zinc baths, 50, 360/1 ; installations, 50, 269.4. effect on cold-worked stool, 50, 670.4 ; soldering, Amiantha, 50, 129.4. mechanical aids, 50, 482/1 ; now temperature distribution, 50, 331/1. method of heating, 50, 612.4 ; re­ thermal efficiency, 50, 129.4. actions occurring in, 49, 169 (P aper) ; wall losses, calculation, 50, 331/1. scum caused by aluminium, 50, 31-4 ; Furniture, versus electro-, 50, 30.4, 31/1, 235/1, metal, possibilities and design, 50, 323.4 306.4, 743.4; versus slierardizing, 50, (see also Alum inium , &c.). 163/1. Fusible alloys, mechanism of process, 50, 611/1. properties, 50, 640/1. modern, 50, 84.4. uses, 50, 640-4. muriatic acid dip, 50, 482/1. Fusible metal, pickling, improved method, 50, 612/1. plugs, failure, 50, 229/1, 692/1 ; for problems, 50, 163/1. boilers, 100 examined, 50, 426/1 ; removal of iron salts derived from in colliery boiler plant, 50, 692-4. pickling bath, 50, 611.4. Fusion, latent heat of. See Latent heat report of A.S.T.M. cttee., 50, 306.1,482/1. of fusion. sal-ammoniac for, 50, 670.4. skimmer, 50, 438-1, 743-1. sulphuric acid pickle, 50, 483/1. Gallium, weight of zinc deposited, effect of water bibliography, pamphlet, 50, 137/1. soaking steel, 50, 611/1. crystal structure, 50, 616/1. wire, 50, 235/1. dealers and importers, pamphlet, 50, zinc used, suitability, 50, 743/1. 137/1. Galvanizing of— estimation, electrolytic, 50, 442/1 ; Structural steel, embrittlement, selected quant., 50, 240/1. bibliography, 50, 235/1. history, pamphlet, 50, 137-4. Wire, elect, furnnco for, 50, 32.4 ; markets and prices, pamphlet, 50, 137/1. hot- versus electro-process, 50, 30/1, metallurgy, pamphlet, 50, 137/1. 31/1, 235-1, 306/1, 612/1, 743/1 ; occurrence, pamphlet, 50, 137/1. new' flux, 50, 306/1. production, pamphlet, 50, 137.1. Galvanometers. See Laboratory apparatus. properties, pamphlet, 50, 137/1. Galvanotex process, 50, 317/1. separation, 50, 88/1. Gas(es) (see also under names of gases), Galvanic circuit, theory, 50, 101/1. absorption by hot metals, 50, 470/1. Galvanized iron and steel, adsorbed, diffusion, 50, 343/1. adherence of coatings, 50, 163/1. adsorption by solids, general discussion, brittleness, 50, 361.4, 482/1, 612/1. 50, 457/1 ; use of. thcrmionics in embrittlement, 50, 743.1, 714.4 ; report study, pamphlet, 50, 524/1. of A.S.T.M. sub-cttee., 50, 550.4. combustion, book. 50, 649.1. field tests, report of A.S.T.M. sub-cttee., corrosion by, 50, 436.1. 50, 550/1. dissolved, “ internal pressure,” 49, 317, painting, 50, 743/1. 341, 344. Preece test for coatings, factors affecting, estimation in metals, 50, 674/1. 50, 481-4, 670/1. evolution from metals during heating, quality of zinc coating, detn., 50, 611.4. 50, 343/1. report of A.S.T.M. cttee., 50, 306/1, heating value, calcn. from analysis, 50, 549/1. 271/1. testing of coatings, cliom. methods, 50, in metals and alloys, 50, 736.1 ; sum­ 30.4. mary of literature, 50, 149-4 ; theories, welding, 50, 765/1 : of sheet, 50, 188.1. 50, 470/1. “ white rust,” 50, 609/1 ; prevention, influence on metals, 50, 215.4. 50, 235/1. liberation from metals, effect of pressure, Galvanizing, 49, 317 (Paper). baths, cause of blue scum, 50, 31.4 ; occluded, effect on mech. properties, use of tin, 50, 31/1. 50, 725.4. Subject Index 835

Gas(es), Gold, occlusion by metals, summary of litera­ ing on surchargo, 50, 2384 ; vol.. 50, ture, 50, 1494. 3654. removal, from aluminium alloys by assay beads, surface effects caused by mixtures of nitrogen and volatile platinum metals, 50, 441.4. chlorides,49,301 (P a p er) ; fromalumin- atomic heat, 50, 2164. ium and its alloys, 50, 209.4, 4174, bullion, assay, effect of annealing on C574 ; from metals and alloys, 50, surchargo, 50, 2384 ; dio-sampling at 3434, 4704. Sons of Gwalia Gold Mine, 50, 874. solubility in metals, 50, 4704. colouring, 50, 5044. sorption by solids, book, 50, 13G4, 206/1. crystal structure and rolling, 50, 1894. town’s, appn. in motor-cyclo industry, deposition, 50, 2494 , 45 04; by salt­ 50, 5124 ; appn. in tinplato works, water method, 50, 504.1 ; cyanides in 50, 5124 ; for annealing of brass, 50, rolation to, 50, 404, 984, 248/1 ; 534 ; indust, uses, 50, 2714, G424. propn. of baths, 50, 5644. use in non-forrous melting, 50, 3944. deposits, arrangement of micro-crystals, Gas-fired furnaces. Seo Furnaces. 50, 6164. German language, chemical terms, book, diffraction patterns, 50, 7474. 50, 2884 [review). diffusion of copper, rate, 50, 3394. German silver. Seo Nickel-brass. 18-carat. See Gold alloys. Germanic sulphide, quantitative conversion electrical resistance, change under hydro­ to oxide by hydrolysis, 50, 3094. static pressure, 50, 422/1; for temps, Germanium, below 90° K ., 50, 7264. bibliography, pamphlot, 50, 137.4. estimation, potcntiomotric, with cuprous dealers and importers, pamphlot, 50, chloride soln.. 50, 620/1 ; quant., by 137/1. hydrazine hydrochloride, 50, 168/1. electrical resistance, effect of temp., 50, films, crystallino structure, 50, 2374 ; 8.1. elcctrodeposition, 50, 5654. history, pamphlot, 50, 1374. fine, supplementary plate, 50, 204/1. markets and priccs, pamphlot, 50, 1374. (low-pressure, at low temps., 50, 2914. metallurgy, pamphlet, 50, 1374. 14-carat. Seo Gold alloys. occurrence, 50, 1374, 2904. lattice parameters, 50, 3624. preparation, 50, 2904. metallurgy, book, 50, 524.-1 ; develop­ ments, 50, 3794. production, pamphlet, 50, 1374. micro-crystals,olectrodoposi tod,arrange­ properties, 50, 1374, 2904. separation from nrsonic, quant., 50, ment, 50, 616/1. 2404. mineral resources, of California and Germany, Oregon, U.S.A., 50, 1344 ; of Canada, aluminium industry, laboratories, 50, 50, 6524 ; of eastern states of U.S.A., 5194. 50, 134/1; of Idaho and Washington, Deutsche Bunsen-Gesellschaft, report of U.S.A., 50, 1344 ; of Nevada, U.S.A., 30th meeting, 50, 1414. 50, 134/1, 5884 ; of U.S.A., 50, 1344 ; Deutsche Versuchsanstalt für Luftfahrt, of Utah, U.S.A., 50, 1344. report, 50, 5924 (review). photoelectric properties, 50, 2134» -1 9 4 ; Dr.-Ing dissertations, index for 1923- of thin unbacked films, 50, 147/1. 1927, 50, 2884 (review). plates, hardness, 50, 5944. ^ Finow Brass Foundry, Ebcrswalde, 50, production, statistics, 50, 3794. 5194. recovery from tin slimes, 50, 5204. Forschungsinstitut für Edelmetalle, refining, book, 50, 4574 ; electro-, 50, Schwäbische-Gmund, 50, 047,4. 494 ; electro-, in Japan, 50, 49/1. Kaiser Wilhelm Institut für Metallfor­ reflection of long X-rays, 50, *64. schung, importance of work, 50, 3984 ; residues, recovery, 50, 648.4. origin and development, 50, 398/1. ^ rolling, crystal structure and, 50, i»J/i. Mctallgesellschai't, rcsoareh laboratories, surface tension, 50, 3394. tensile properties of whole and soldered 50, 5184. Osnabrück Copper and Wire Works, wires, 50, 594/L history, 50, 5194. uses, history, 50, 763/1. Technische Hochschule, Breslau, metal­ “ white.” Seo White gold. lography and general phys.-chom. wires, whole and soldered, tensile tests, metallurgy at, 50, 518/1. 50,594.1. Gittcrmetall, 50, 7314. Gold alloys (seo also White gotId), Glasses, eye-protection, with metal coat­ assay, correct sampling, 50, loJ A . coinage, use of carborundum for melting ings, 50, 0944. Glucinum. See Beryllium . in'olect. furnace, 50, 1994. dilute solid solutions, elect, properties, Glyptal, 50, 0704. Gold, 50, 154. . , 18-carat dental plates, cast and swaged, action of nitric acid, 7394. observations on, 50, 6624. action of sulphuric acid, 50, 7394. 14-carat, history, compn. and proper­ assay, effect of platinum group metals, 50, 4884 ; of bullion, effect of anneal- ties, 50, 6624. S36 Subject Index

Gold alloys, Gold-silver alloys, for electrical contacts, 50, 6044. atomic susceptibility curves, doviation thermoelectric force down to very low from theoretical curves, 50, 374. temps., 50, 4224. constitution, 50, 214. Gold-antimony alloys, diffusion coefficient, influence of temps., constitution, X-ray study, 50, 354. 50, 2914. crystal structure, 50, 354. electrical conductivity, 50, 4744. Gold-bismutk alloys, super-conductivity, electrical resistance, 50, 4744. 50, 164. electromotive force, 50, 4744. Gold-cadmium alloys, constitution, electro- equilibrium diagram, 50, 4764. chera. study, 50, 7284. Hall effect, 50, 296/1; relation to lattice Gold -copper alloys, constant, 50, 354. action of nitric acid, 50, 7394. lattice constants, relation to Hall action of sulphuric acid, 50, 7394. effect, 50, 354. atomic susceptibility curves, deviation potential measurements, 50, 214. from theoretical curves, 50, 374. properties, as functions of compn., 50, constitution, 50, 7294 , 7304 ; thermo­ 4744. dynamic study, 50, 7294. solid solutions, method of study, 50,4744. £ elastic limit, 50, 4744. tensile properties, 50, 4744. equilibrium diagram, 50, 476/1. thermal expansion, 50, 474*4. films, lattice parameter, 50, 164. thermoelectric effect, 50, 4744. hardness, 50, 4744. thermoelectric force down to very low ■ improvement, recent work, 50, 124. temps., 50, 4224. 2 lattice constants, 50, 164. Gold-silver-copper alloys, equilibrium L phase equilibrium conditions, equations, diagram, 50, 4764. 50, 3534. Gold-tin alloys, crystal structure, 50, r single crystals, action of reagents, X -raj' 364. n study, 50, 3554, 4804. Grain-boundary material, properties, 50, solid solutions, phvsico-chemical study, 2444. 48, 312. Gramophone records, manuf., 50, 4514. transformations in solid state, 50, Graphite, 7304. bricks. See Refractory materials. Gold-iron alloys, magnetic properties, 50, electrical resistance at low temps., 50, 1534. 5934. Gold-lanthanum alloys, constitution, 50, Gravimetric analysis. See A n alysis. 1534. Gravity casting. See Die-casting. Gold-lead alloys, galvanic potentials, 50, Great Britain, 3504. British Engineers’ Association, hand­ Gold-mercury alloys, book, 50, 5254. constitution, 50, 4284. British Non-Ferrous Metals Research solubility of gold, 50, 6634. Association, tentativo proposals for Gold-nickel alloys, researches of basic character, 50, electrical conductivity, 50, 164. 5214. phase equilibrium conditions, equations, British Standards Institution, 50, 4024; 50, 3534. index of standard specifications, 50, Gold-palladium alloys, 1334. atomic susceptibility curves, deviation chemical industry, history, book, 50, from theoretical curves, 50, 374. 2874 (review). equilibrium diagram, 50, 4764. Department of Overseas Trade, guide to hydrogenized, photoelectric and thermo­ services of, 50, 2064. electric effects, 50, 5424. Department of Scientific and Industrial lattice constants, 50, 864, 5534 ; of Research, report, 50, 1344. solid solus., 50, 4864. Federation of British Industries, register, phase equilibrium conditions, equations, 50, 5254. 50, 3534. National Physical Laboratory, report, Gold-phosphide, density, dissociation pres­ 50, 4054 ; report of Dept, of Metal­ sure and heats of formation, 50, lurgy and Metallurgical Chemistry, 50, lti4. 5224 ; report of Electricity Dept., Gold-platinum alloys, 50, 5234 ; report of Engineering age-hardening by small addns. of iron, Dept., 50, 5224 ; report of Metro­ 50, 774. logy Dept, 50, 5244 ; report of atomic susceptibility curves, deviation Physics Dept., 50, 5234. from theoretical curves, 50, 374. Royal Mint, report, 50, 014. constitution, 50, 864. scientific and learned societies, year­ crystal structure, 50, 864, 5534. book, 50, 024, 7834. equilibrium diagram, 50, 4764. Grinding, lattice constants of solid solns., 50, 4864. allowances, 50, 7074. Gold-silver alloys, practice, in automobile industry, 50, action of nitric acid, 50, 7394. 1934. action of sulphuric acid, 50, 7394. solutions, 50, 5794. Subject Index 837

Grinding of— Hardness of— Aluminium alloys, 50, 121/1, 707.1 ; 6.1 ; offoct of difforent elements, 49, pistons, 50, 579/1. 257 ; offoct of porosity, 50, 607.4. Chromium-plated gauges, 50, 579/1. Bronze, effoct of casting conditions, 50, Magnesium alloys, 50, 707/1. 607/1. Monel metal balls, contreloss, 50, 707.-1. Chromium, 50, 67/1 ; as determined Vee tools, 50, 121/1, 262/1. by Vickors-Brinoll, Biorbaum and Grinding wheels, Mohs methods, 50, 338/1, 722.4. breakage, caused by unovon heating, Copper, (annealed), 50, 211/1; at high 50, 579/1. temps., 49, 24 4 ; change caused by manufacture, 50, 121/1. bending, 50, 659/1 ; effoct of cold- smooth finish, 50, 193/1. rolling, 50, 6/1 ; offoct of rolling, Gun-metal (soo also Bronzes and under 50, 69/1. names of constituent metals), Copper-tin alloys, 50, 426.4. brittle constituent, 50, 225.4. Duralumin, change caused by bending, melting furnace, semi-rotary, 50, 582.-1. 50, 659.4. Electro deposits, 50, 760/1. Electrolytic metals, 50, 725.4. Hafnium, Elektron, 50, 154A ; offoct of porosity, occurrence, 50, 290/1. 50, 607.1. pamphlet on properties, prodn., &c., 50, Gold-copper alloys, 50, 474.4. 138/1. Iron alloys, effoct of dispersion harden­ preparation, 50, 290/1. ing, 50, 731.4. properties, 50, 138/1, 290-4, 418.4. Magnesium, change caused by bending, sources, 50, 418/1. 50, 659/1. uses, 50, 418/1. Magnesium alloys, at various temps., Hall effect, 50, 726/1. law of change in magnetic field, 50, Monel metal at low temps., 50, 79.4 ; 344.4. effoct of cold-rolling, 50, 6/1. thermodynamic study, 50, 423/1. Palladium, 50, 3.4. with audio-frequency currents, 50, 596.1. Palladium-rhodium alloys, 50, 80-4. Hall effect in— Platinum-iron alloys, 50, 299.4. Antimony, inducod effect, 50, 145.4. Platinum-palladium alloys, offoct of Beryllium, 50, 594A. hoat-treatmont, 50, 80/1. Bismuth, inducod effect, 50, 1*45.1. P.M.G. alloy, 50, 295.1. Copper-cadmium alloys, 50, 152/1. Silumin, effect of porosity, 50, 607.1. Gold-silver alloys, 50, 296.1; relation to Silver, effect of rolling, 50, 69/1. lattice constant, 50, 35/1. Silver-copper alloys, 50, 351-1; effect Mercury (solid), 50, 212.4, 418.4. of rolling, 50, 69-4. Molten metals, 50, 9/1. Single crystals, sclerometric, decrease Tellurium, reversals, 50, 724.1 ; with duo to adsorption of active sub­ audio-frequency currents, 50, 596.4. stances at surface of contact, 50, 5-4. Tellurium amalgams, 50, 227/1. Steels, effoct of cold-rolling, 50, 6.4. Hardening, Strontium-cadmium alloys, 50, 157.4. by rotating magnetic fields, 50, 216.1, Hardness testing. Soo Testing. 470A, 597/1, 660/1. Haveg, 50, 48A. strain-. See Strain-Jiardcning. Heat emission, measurement, now ap­ Hardening of— paratus, 50, 94-4. Non-ferrous metals, 50, 323.4. Heat-resistant materials (soo also undor Hardness, names of various inotals and alloys), change caused by bending, 50, 659/1. 50, 70.4, 83.1, 298/1, 605-1, 741.4. influence of magnetic fields, 50, 6.4. compositions and manufacturers, 50, relation to effective flow tension, 50, 29-4. 447/1. requirements, 50, 227/1. relation to tensile strength, 50, 754/1. survey of literature, 50, 227A . sclerometric, decrease, duo to adsorption thermal expansion, 50, 155-1. of active substances at surface of Heat-treatment (see also Age-hardening, contact, 50, 5A . Annealing, &c.), testing. See Testing. at Citroën works, 50, 695-1. testing machines. See Testing machines. books, 50, 524-4, 587.4. Hardness of— furnaces. See Furnaces. Aluminium, change caused by bending, recent progress, 50, 185.1. 50, 659/1; offect of rolling, 50, 69/1. scale resulting from, removal, 50, ot 8-1. Aluminium alloys, at various temps., Heat-treatment of— 50, 726/1. Aluminium, 50, 382.1, 694.4 ; book, Aluminium-“ bronzes,” 50, 601-4. 50, 653/1 (review); by immersion Armco iron, effoct of cold-rolling, 50, procoss, 50, 382-4, 499-4. 6/ 1 . Aluminium alloys, 50, 110/1, 2-4^4, Brass, change caused by bonding, 50, 382/1, 694.4 ; aircraft parts, 50, 659/1 ; offcct of cold-rolling, 50, 382-4, 499.4 ; book, 50, 653A (review). 838 Subject Index

Heat-treatment ol— Hydrogen, Aluminium copper silicon alloys, SO, adsorption by platinum black, 50, 09.4 ; 222.4. by platinum metals, 50, 530.4. Brass, 50, 382.-1, 499.-1 ; strip in con­ ions, book, 50, 20G.-1. tinuous annealing furnace, 50, 094.-1. occlusion by metals, 50, 343.1. Duralumin, 50, 110.4. overvoltage. Seo Overvoltage. Hiduminium RR alloys, 50, 110.1. Hydrogen peroxide solutions, behaviour of Light alloys, 50, 110.1. aluminium and its alloys in, 50, 433.4. Magnesium alloys, 50, 004.-1. Silver-copper alloys, effect on mech. properties, 50, 351.1. Ice, adhesion to metals, 50, 401.4. Strip in continuous annoaling furnace, Impact strength of— 50, 094.4. Die-casting alloys, effect of temp., 50, “ Y ” alloy, 50, 110.4. 477.4. Zinc alloy dio-castings, 50, 53.-1. Monel metal at low temps., 50, 79.4. Herbert pendulum hardness testing P.M.G. alloy, 50, 295.4. machine. Seo Testing machines, hard- Impact testing. See Testing. Impurities, effects of, 50, 4.4, 5.4, 420.4. Herculoy, 50, 003.4. Inco, 50, 004.-1. Herolith, 50, 30.-1. Indium, Heusler’s alloys, electrical resistance, bibliography, pamphlet, 50, 137,1. change in magnetic field, 50, 152.1. chemical properties, 50, 594.4. Hibbo, properties, 50, 14.1. dealers and importers, pamphlot, 50, Hiduminium (see also Aluminium alloys, 137.4. “ J ilt.50 ” ), deposition, 50, 594.4. forging, 50, 110.4. electrical resistance at low temps., 50, heat-treatment, 50, 110.1. 593^1. production methods, 50, 389.4. history, pamphlet, 50, 137.4. properties, 50, 001.1. markets and prices, pamphlet, 50, 137.4. High-temperatures, metallurgy, pamphlet, 50, 137,4. characteristics of metals revealed by occurrence, 50, 2.4, 137.4. bonding, 50, 243.4. physical properties, 50, 594.-1. eliect on properties of metals, 50, 470.4, production, pamphlet, 50, 137.4. 471.4 ; bibliography, 50, 534.-1 ; sym­ properties, 50, 2.1, 137.-1. posium, 50, 531.4-534.4. thermal conductivity at low temps., 50, mechanical properties of metals at, 50, -4G0.-1. 533.4. uses, 50, 594,4. properties of alloys at, 50, 159.4, 737.4. Industrial management, book, 50, 132.4. properties of materials at, 50,459.1,477.4. Ingots, cooling, in ehill-raoulds, 50, 772.4. requirements for metal, in automobilo Insects, attack of metals by, 50, 343.4. industry, 50, 532.1 ; in ceramic in­ Inspection of metals, 50, 079.4. dustry, 50, 532.-1 ; in chemical indus­ Intermetallic compounds, try, 50, 531.1 ; in non-ferrous roast­ binary, attempt to produce single-crys­ ing, smelting and refining industries, tals, 50, 308.-1. 50, 532.1 ; in oil industry, 50, 531.-1 ; diffusion of components, 50, 38.4. in oil-refining industries, 50, 343-4 ; law of additive atomic heat not valid in power plant industry, 50, 531.-1 ; for, 50, 478.4. in steam piping, 50, 531.-1. structure analogies and anomalies, 50, use of metals at, trend of progress in 352,1, 477.-1. Great Britain, 50, 532.-1. x-ray spectra, 50, 34.4. High-voltage research laboratory, 50,402.4. Internal friction, measurement, 50, 42.-1. Hipernik, Internal stress (seo also Season-crocking), improvement by heat-treatment, 50, determination by X-rays, 50, 43.4. 000,1. effect on magnetic susceptibility, 50, 75.4. magnetic permeability, 50, 733.4. magnetic analysis, 50, 597.1. Honorary Treasurer, report, 48, 13. Internal stress in—• Hot-forging. See Forging. Brass tubes, 50, 14.4. Hot-galvanizing. Seo Galvanizing. Cold-rolled plates, 50, 729.4. Hot-pressing. Soo Pressing. Solids in absonco of external forces, 50, Hot-rolling. See Rolling. 737.4. Hungary, scientific work, bibliography, 50, Invar, 281.-1. magnetic properties at high temps., 50, Hyblum, 595.-1. advantages, 50, 223.1. review of rccont work, 50, 004.4. corrosion-resistance to milk, 50, 303.-1. Inventor, psychology, book, 50, 137.4. Hydrochloric acid, corrosion by. Seo C or­ Inverse segregation in— rosion, Aluminium copper alloys, 50, 471.4. Hydrogen, Bronze, 50, 600.4. absorption by platinum black at 0° C., Silver-copper alloys, 49, 347 (P a p er); 50, 08-4. 50, 299A. Subject Index 839

Iodine, Iron, action on platinum and tungsten, 50, diffusion of tin, 50, 224, 3524. 684. diffusion of zinc, 50, 4704. corrosion of metals, 50, 3034. electrical resistance, change in magnetic Ionization potentials, IIume-Rothery rela­ field, 50, 152.1 ; chango under hydro­ tionship between atomic numbers and, static pressure, 50, 4224 ; effect of 50, 421.-1. torsion, 50, 6594. Iridium (seo also Platinum metals), estimation, by means of basic mercuric electrical resistance for temps, bolow bromate, 50, 2404 ; (small amts.) in 90° K „ 50, 7204. copper. 50, 6754. estimation, 50, 3094 ; gravimetric, 50, fatigue, 50, 7534. 7494. fibre structures, prodn., 50, 764. lattice parameters, 50, 3624. films, rnagnotic properties, 50, 5994. melting point, 50, 2894. fluidity, pressuro of, 48, 53. properties, 50, 204. foundry, handbook, 50, 1424 (review). separation, from platinum and other galvanized. Seo Galvanized iron and metal si 50, 3094. steel. separation of rhodium, 50, 7494. hardening by hammering, 50, 1104. specific heat, between 0° and 1604° C., literature, review for 1931. 50, 2824. 50, 4184 ; dependence on temp., 50, magnetic permeability, dependence on 7264. field at high-frequency, 50, 3444 ; uses, 50, 204. in H.-F. electromagnetic fields, 50, Iridium arsenide, preparation, 50, 204. 24, 34. Iridium-platinum alloys, magnetic properties, at high temps., 50, constitution, 50, 2994. 5954 ; of films, 50, 5994. ferromagnetic, 50, 5424. malleable castings, symposium, 50, filaments, reactions at surface, 50, 3404. 2054. lattice constants o f solid solns., 50, 4864. patent literature, book, 50, 7824. properties, 50, 204, 3514. protection against corrosion by galvaniz­ substitutes, 50, 3514. ing, 50, 2354. uses, 50, 204. rigidity, modulus, chango due to cold- wires for uso in Eotvos torsion balance» working, 50, 2164. effect of heat-troatmont, 50, 3424. specific heat, depcndonco on temp., 50, Iridosmine, pamphlet, 50, 1384. 7264. Iron, stainless, book, 50, 5284 (review). action of beer, 50, 6094. tensile stresses in, dependence on rate action of coffee, 50, 7404. of strain, 50, 2914. action of tea, 50, 7404. thermomagnetic effects, 50, 3404. aluminium coatings by spraying process» titanium coatings, 50, 5514. 50, 3064. torsion, effect on density, dimensions aluminium-plated, 50, 2344. and elect, resistance, 50, 6594. analysis, book, 50, 6564 (review). valence, book, 50, 6524. Armco. See Armco iron. veining or sub-boundary structures, 50, Barkhausen effect, transverse, 50, 744. 6144. cadmium plating of castings* 50, 1764, wire, elastic extension undor longi­ 3144. tudinal stress, 50, 704 ; magnetic cast, use in non-ferrous industry, 50, permeability in Il.-F. weak fields, 50, 2754. 3444. cementation by chromium, 50, 6144. Iron alloys, dispersion hardening, effect on characteristic frequency, 50, 714. magnetic properties and hardness, 50, chemistry, book, 50, 5264. 7314. cold-rolled plates, internal stress, 50, Iron-aluminium alloys, 50». 114. 7294. crystal lattice, 50, 3084, 4864. cold-worked, lattice arrangement, 48, oxidation-resistance, at high temps., 50, 329. 2224. colouring, 50, 5044. superlattice, formation, 50, 3624. corrosion, 50, 274; by bloaching Iron-aluminium-chromium alloys, con­ liquors in textile industry, 50, 4354 ; stitution, 50, 6004. by citric acid, 50, 1614; by dis­ Iron-aluminium-silicon alloys, aluminium- tilled water and salt solns., prevention rich, constitution, 50, 114, 2234. by addn. of sodium dichromate, 50, Iron amalgams, 50, 3504. 3584 ; by hot vapours of cracked colloidal nature, 50, 2274. petrol, 50, 2304 ; by phosphoric Iron and Steel Institute, Joint Autumn acid, 50, 4364 ; field tests of metallic Meeting with, 49, 13. coatings, report of A.S.T.M. sub- Iron-bery Ilium alloys, properties, 50, cttee», 50, 3 0 4 4 ; in Duffek’s ap­ 2954. paratus, 50, 2294 ; report of A.S.T.M. Iron-carbon-chromium alloys, constitu­ cttee., 50, 5494. tion, 50, 7284. creep, 50, 5584. Iron-carbon-vanadium alloys, constitu­ density, efloct of torsion, 50, 6594. tion, 50, 6064 , 7354. 840 Subject Index

Iron-chromium alloys (seo also i ’crro- Iron-nickel alloys, chromium), magneto-elastic phenomena in relation constitution, 50, 13.4, 349.1, 536.4. to elastic limit, 50, 350/1. deposition, 50, 96.4. magnetostriction, 50, 156.1. lattice constants, 50, 165.4. oxygen-overvoltage, 50, 252.4. mechanical properties, 50, 349/1. phase equilibrium conditions, equations, report o£ A.S.T.M. cttee., 50, 295.4, 50, 353.4. 475.4. strain and magnetic orientation, 50, thermal expansion, 50, 155.4. 664/1. x-ray investigation, 50, 13.4, 164.1, use in moter and instrument design, 50, 349/1. 311/1. Iron-chromium-nickel alloys, Iron-nickel-arsenic alloys, constitution, constitution, 50, 18/1. 50, 298/1. corrosion by milk, offects of operating Iron-nickel-cobalt alloys, mechanical pro­ conditions in variouR parts of pas­ perties at high temps., 50, 18.4, teurizing equipment, 50, 435/1. 79/1. dilatometric study, 50, 13.1, 349/1. Iron-nickel-manganese alloys, as rheostat electrical resistors for high temp. materials, 50, 227.4. ■service, 50, 606/1. Iron-nickel-sulphur alloys, constitution, for electrical heating elements, drawn or 50, 298/1. rolled, A.S.T.M. tentative specifica­ Iron nickel-tungsten alloys, hot structural tions, 50, 107/1, 422/1. hardening, 50, 430/1. properties, 50, 298/1, 475/1 ; effect of Iron pentacarbonyl, offect of addn. to temp., 50, 540.1, 541.4. mercury, 50, 350/1. report of A.S.T.M. cttee., 50, 295.1, Iron-platinum alloys, 475/1. electrical resistance, 50, 299/1. thermal expansion, 50, 155/1. hardness, 50, 299/1. uses, 50, 298/1. microstructure, 50, 299/1. Iron-chromium-nickel-carbon alloys, con­ Iron sulphides, tbormocliomistry, 50, stitution, 50, 77/1, 295/1. 661.4. Iron-cobalt alloys, Iron-tin alloys, constitution, 50, 22/1, equilibrium diagram, 50, 224/1. 352/1. Joule magnetostrictive effect in rods, Iron-tungsten alloys, a-y loop, compn. 50, 729/1. limits, 50, 227/1, magnetic properties at high temps., Iron-tungsten-carbon alloys, constitution, 50, 595/1. 50, 23.4. Iron-copper alloys, thermoelectric force Iron-vanadium-oxygen system, constitu­ down to very low temps., 50, 422.4. tion, 50, 735.4. Iron-copper-nickel alloys, Isotopic constitution of somo metals, 50, deposition, 50, 96/1, 682/1 ; from cyanido 66/ 1. soins., 50, 248/1. Iron-gold alloys, magnetic properties, 50, 153/1. Japan, National Research Council, report, Iron-manganese alloys, 50, 651.4. constitution, 50, 78/1, 79.1, 297/1, 732.4, Jirotka process, protection of magnesium 733/1. alloys, 48, 152. crystal structure, 50, 79/1, 732.4. dilatometric study, 50, 297.4. electrode potentials, 50, 604/1. Kanthal resistances for higli-temp. elect, transformation characteristics, 50, 226/1. furnaces, 50, 393/1. x-ray study, 50, 297/1. Kaolin. See Refractory materials. Iron-manganese-carbon alloys, Kester, 50, 696.4. equilibrium diagram, 50, 226.4. Koltchugalumin, paints for, investigation, preparation, 50, 78.4, 296/1, 732.4. 50, 484.4. Iron-mercury alloys, solubility of iron, 50, Konel 298/1. filaments, oxide-coated, emission of Iron-molybdenum-carbon alloys, equi­ oloctrons, 50, 220/1. librium diagram, 50, 297.4. mechanical properties at high tomps., Iron-nickel alloys (seo also Perm alloy, &c.)f 50, 18.-1. a r z z y transformation, 50, 19/1. properties, 50, 108.1. core loss current, measurement by means K.S.-Seewasser, of o.c. potentiometer, 50, 605/1. corrosion, 50, 479/1. elastic limit, magneto-elastic phenomena corrosion-fatigue, 50, 42/1. in relation to, 50, 350/1. corrosion-resistance, 50, 348/1 ; effect of fibre structures, prodn., 50, 76/1. heat-treatment, 50, 30-L4. hydrogen-overvoltage, 50, 252/1. electrical conductivity, 50, 10/1. improvement by licat-treatment, 50, endurance, 50, 285/1. 605/1. Lorenz number, 50, 10/1. magnetizing current, measurement by mechanical properties, 50, 348/1. means of a.e. potentiometer, 50, 605/1. properties, 50, 601/1. Subject Index 841

K.S.-Seewasser, Laboratory Apparatus— sand-castings, stress-olonjjation, stress- 307/1 ; electric, for tensile tests at bonding, and stress-shp diagr., 50, high temps., 50, 40/1 ; oloct,, rhodium 720/1 ; vibration strength, 50, 720.4. wire for, 50, 489/1 ; electric, voltage thermal conductivity, 50, 10.1. regulator, 50, 171/1; H.-F. oloctric, uses, 50, CO 1/1; in mines, 50, 500.1. Lorenz, experiments with, 50, 170/1 ; Kuprit, 50, 048-4. H .-F. oloctric, Ribaud, oxporiments with, 50, 170/1 ; tubular, olect. mothod of thermal regulation, 50, 489.4. Laboratories, Galvanometers, fino motallic suspensions, foundry, organization, equipment and effect of hoat-troatment, 50, 342/1 ; operation, 50, 049/1. Julius suspensions, 50, 078/1. industrial research, of U.S.A., reference Gauges, 50, 023/1. book, 50, 334/1. Geometrical design, 50, 445.4. planning and fittings, book, 50, 415.1 Hydrogen sulphide generators, ,50, 173.4. (review). Illuminators, microscope, Reichert opaquo, 50, 40/1 ; photomicrographic, LABORATORY APPARATUS— Busch “ Univortor,” 50, 170/1. Appliances, plating to resist corrosion, Lattice projecting ruler and chart, 50, 50, 077/1. 024.4. Balance, assay, permitting 100 weigh­ Laue camera, improved, 50, 078.1. ings in £ lir., 50, 557/1 ; for measuring Load-deformation, 50, 244.4. magnetic susceptibilities, 50, 40/1. Marten’s mirror apparatus, simplifica­ Calorimeter, vacuum, for high temps., tion, 50, 750/1. 50, 022/1. Mercury vapour lamps, 50, 078.1. Carbon dioxide indicators, 50, 445/1. Metallographic polishing machines, auto­ Catalyst chamber, 50, 312/1. matic, 50, 170/1. Cathode-ray oscillographs, glass or metal Metaphot pliotomicrographic apparatus, discharge tubes, 50, 173/1 ; improve­ 50, 170/1. ments in tub© design, 50, 173/1 ; re­ Micrometer microscopes, 50, 171-4. cording of non-periodic phenomena Micrometers, Magister, 50, 307/1. with, 50, 172/1. Microscope illuminator, dark field, 50, Cathode-ray tubes, high-voltage, 50, 91/1. 550.1. Constant-level device, automatic, for Microscope objectives, apochromatic, Jat- liquid air, 50, 022/1. oral chromatic aberration, 50, 550-4. Constant-temperature cells for micro­ Microscopes, exhibition, 50, 750/1 ; his­ scopic observations, 50, 023/1. tory, book, 50, 715/1 ; measuring; 50, Constant temperature device, improved, 023-4 ; metallurgical, 50, 749-4 ; meta- 50, 242/1. lurgical, with camera attachmont, 50, Crucibles, rhodium, 50, 022/1. 023-4 ; polarization, 50, 91.4 ; polariz­ Crystal analysis, self-contained appar­ ation, appn. in study of copper alloys, atus, 50, 242/1. 50, 439/1 ; small invert©«, 50, 40.4 ; CrystaUograph, X -ray, Hilger, 50, 41/1. universal objoct table, 50, 023/1 ; Cubic-crystal analyzer, 50, 41/1. Vickers projection, 50, 550.4. Debye camera for high temp, observa­ Optical instruments for examining and tions, 50, 75G/1. analyzing motals, book, 50, 403/1. Dilatometers, Chovenard, modification, Pantograph for enlarging X-ray photo­ 50, 489/1 ; isothermal, 50, 077/1 ; now graphs, 50, 024/1. form, 50, 445/1. Photoelectric cell, uso in hoat-treatment, Displacement measurer, 50, 023.4. 50, 307/1. Electrical apparatus for moasuromont of Photomicrographic, Metaphot, 50, 1/0/1. small displacements, 50, 40/1. Polishing machine, metallographic, 50, Electrical gauge for moasuring infinitesi­ 40/1. mal dimensions, 50, 92/1. Potentiometers, Feussner typo, improved, Electrical instruments, absolute repeat­ 50, G22.4 ; recording, Brown, 50, ability, dotn., 50, 172/1. 621A ; Wennor, 50, 022/1. Electrolysis stand, 50, 024.4. Precision gauge, electric, of groat accur­ Electromagnets, dotn. of wire sizos for, acy, 50, 242/1, 078/1. 50, 172/1. Pyrometers. See Pyrometers. Electronic devices, improvements, 50, Quartz mercury lamp, for lab. and tech. 078/1. use, 50, 312.1. Elongation marker, glass-scratch, meas­ Rheostat, Dodge, theory, 50, 022/1. urements with, 50, 171/1. Tantalum as material for, 50, 445-1. Elongation measurer, 50, 171/1. Temperature and humidity recorder, com­ Evaporation apparatus for high vacua, bined, 50, 242-4. 50, 022/1. Temperature regulators, 50, 94-4, n i A , Exhibition, 50, 750-4. 175/1, 445/1 ; for elect, resistance fur­ Furnaces, oiloct of nature and mode of naces, 50, 021-4; Pro tos vacuum wiring on non-uniformity of temp., switch for, 50, 171-4 ; recording auto­ 50, 171/1 ; elect., for high temps., 50, matic, 50, 028/1. 842 Subject Index

Laboratory Apparatus- Lanthanum, spectra, indox, 50, 63.1. Testing machines. Soo Testing machine*. Lanthanum-copper alloys, constitution, Thermal appliances, exhibition, 50, 50, 153.-1. 757/1. Lanthanum-gold alloys, constitution, 50, Thermocouples. Sco Thermocouples. 1 5 3 .1 . Thcrmomagnetometer, registering, 50, Lanthanum-lead alloys, constitution, 50, 6 7 7 .4 . 1 5 3 .4 . Thermometers, mercury, 50, 680.1; mer­ Lanthanum-magnesium alloys, constitu­ cury, pamphlet, 50, 133.-1 ; time lag, tion, 50, 153.1. 50, 628.-1. Lanthanum mercuride, 50, 540.4. Thermopiles, radiation, 50, 561.1. Lanthanum-silver alloys, constitution, 50, Thermoregulators, potontiomotric, 50, 1 5 3 .1 . 489.-1. Lanthanum-thallium alloys, constitution, Thermostat regulator, 50, 557.1. 50, 153.1. Thermostats, air, for corrosion resoarch, Lanthanum-tin alloys, constitution, 50, 50, 28.-1 ; aperiodic, 50, 677.-1 ; new 1 5 3 .4 . types, 50, 171.-1; precision, for temps, Latent lieat of fusion, nature, 50, 5.1. from —26° C. to 500° C., 50, 621.-1 ; Lathe tools, lifo, theory and equation for, sensitive flexible, 50, 621.-1. 50, 784.-1. Torsion balance for moasuring radio­ Lattice constants, activity, 50, 41.-1. determination, X-ray equipment, 50, Vacuum apparatus, industrial, 50, 367.1. 367.-1. Valve for high-vacua, greaseless and pamphlet, 50, 406-4. chemically inert, 50, 678.1. precision measurements, 50, 363.1. Vertical optimeter, internal attachment tables, 50, 308/1. for, 50, 678.-1. Lattice constants of— Voltage regulator for furnace control, Aluminium, 50, 362.1. 50, 171.1. Aluminium-silver alloys, 50, 164.-1, X-ray analytical equipment, 50, 367.1. 238.4. X-ray apparatus, Debyo-Seherrer type, Beryllium, 50, 615.4. 50, 41.-1; for powder analysis, 50, Columbium, 50, 165.-1. 41.-1. Copper, 50, 362.4. X-ray camera for powdor diagr. at any Copper-silver alloys, 50, 486.4. tomp., 50, 624.-1. Gold, 50, 362.1. X-ray micrograph for examination of Gold-copper alloys, 50, 16.-1. metallic specimens, 50, 623.-1. Gold palladium alloys, 50, 80/1, 553.-1; X-ray spectrographs, 50, 678.-1 ; oscil- solid soins., 50, 486.4. lator for crystal, 50, 678.1. Gold-platinum alloys, solid soins., 50, X-ray spectrometer, doublo crystal, 50, 486.-1. 624.1 ; for wave-length detns. in air, Gold-silver alloys, relation to Hall 50, 624.4 ; precision, 50, 750/1; with effect, 50, 35.4. stationary ion chamber, 50, 624.1. Iridium, 50, 362.4. X-ray tubes, gas, for crystal structure Iron-chromium alloys, 50, 165.4. analysis, (50, 678.1 ; Hadding, 50, Lead, 50, 362.1. 489.-1; high-voltage, 50, 91.4; oil- Magnesium-manganese alloys, 50, 155.4. immersed, 50, 624.-1 ; 200,000 v., 50, Molybdenum, 50, 362.-1. 750.4. Nickel, 50, 362.1. Palladium, 50, 362.1. “ L ” alloys. See Aluminium alloys. Platinum-iridium alloys, solid soins., 50, Laboratory organization, functions, 50, 486/1. 407.1. Platinum-rhodium alloys, solid soins., Lacquering, 50, 120/1. 50, 486.4. book, 50, 333.4. Rhodium, 50, 362.4. equipment, 50, 670.-1. Silver, 50, 362,1. Lacquering of— Silver-palladium alloys, 50, 86.1, 553.1 ; Aluminium, 50, 263.4. solid soins., 50, 4S6.-1. Tinned food container, 50, 439.4. Tantalum, 50, 362.4. Lacquers, Tungsten, 50, 362.4. developments, 50, 743.1. Lattice structures (soo also Crystal structure), for metal aircraft structures, investiga­ review of present knowledge, 50, 38.1. tion, 50, 484.4. Laue diagrams. Seo Crystal structure. Parabernoi, 50, 670.4. Lautal (seo also Aluminium alloys, &c.), wear, testing apparatus, 50, 679.1. cadmium-plated, resistance to soa- Ladles, wator, 50, 742.-1. bottom pouring, hand, 50, 127.4. chemical properties, 50, 223.1. improved, 50, 127/1. corrosion, protective action of sodium Lanolinę, silicate, 50, 433.-1. protection of copper, 49, 155. corrosion-fatigue, 50, 42.4. fatigue tests of materials coated with, dynamie strength properties, 50, 600.4. 49, 102. clastic hysteresis curves, 50, 347.-1. Subject Index 843

Lautal, Lead, elastic properties, effect of temp., 43, 255. and jute wrapping, 50, 25.4 ; of endurance, 50, 285/1, 558/1. cable sheath by phenol in tar coating, ladders, 50, 254/1. 50, 356.1 ; of cablo-sheath, experience mechanical properties, 50, 222.-1. of 35 American companies, 50, 25/1 : physical properties, 50, 223.4. of cablo-sheath underground, 50, riveting, 50, 095/1 ; of sheet coated with 355.4. veneer, 50, 571.1. corrosion-resistance to gases, 50, 436.4. rivets, hollow, closing, 50, 095/1. creep of cable-sheath, 50, 717.4, 723.1. sand-castings, stress-olongation, stress- debismuthizing with calcium, 50, 276.1, bending, and stross-slip diagr., 50, 277.4. 72G/1 ; vibration strength, 50, 726/1. deposition, 50, 317.4 ; book, 50, 69.4 ; stress-corrosion cracks, 50, 738.4. bv means of oxy-acetylono blowpipo, tensile testing of thin sheet, influence of 50, 84.4 ; for corrosion-resistance, shapo of test specimen, 50, 079.-1. 50, 371.-1; practical hints, 50, 96.4. threaded rods, incroaso of onduranco deposits, as protection against corrosion limits by surface pressures, 50, 14/1. in mines, 50, 481.4 ; corrosion-resist­ use, in mines, 50, 566.1 ; in omnibuses, ance, 50, 371.4. 50, 374/1 ; in railway waggons, 50, destruction by ultra-radiation, 50, 289.1. 179/1. detection, colorimetric, 50, 553.1. wires, tonsion-olongation diagr. between developments, 50, 520.1. 20° and 300° C., 50, 600/1 ; vibration diffusion of metals in, 50, 723.4. strength between 20° and 300° C., 50, dilatation, 50, 423/1. 600.4. effect of bismuth on metal used for workshop practice, recommendations, accumulator plates, 50, 289.4. 50, 223.1. electrical resistance, change under hydro- Lead, static prossure, 50, 422.4 ; for temps, action of coffee, 50, 740.4. below 90° K., 50, 726.4 ; in magnetic action of tea, 50, 740.1. field at temps, below super-conducting allotropy, 50, 211/1, 339.1. point, 50, 594/1. analysis, book, 50, 59/1. electrode potential, 50, 452.4. anodes, for chromium plating, 50, 95.4 ; estimation, anodic pptn. of load per- for electrolytic zinc prodn., investiga­ oxido, 50, 89.1 ; electrolytic, detn. of tion, 50, 251 A. factor for converting woight of anodic polarization in aquoous soins., oloctrodeposited load peroxide into 50, 610/1. lead, 50, 442/1; gravimetric, by atomic heat, 50, 216.4, 467.1. moans of thermobalance, 50, 241.4 ; bullion, dotn. of silvor, 50, 310.-1. in Babbitt, vol., 50, 168.4 ; in compds. burning, on London building, 50, 113.4. and alloys, quant., by adsorption cable-sheath, 50, 52.4 ; A.S.T.M. tenta­ method, 50, 553.1 ; of small amounts, tive specifications, 50, 105/1, 322/1 ; colorimetric, 50, 553.1 ; vol., by oxalate corrosion by paper and jute wrapping, method by analysis of ppt. or of soln., 50, 25/1 ; corrosion by phenol in tar 50, 488.4 ; vof., with sodium car­ coating, 50, 356.4 ; corrosion, effect of bonate, 50, 168.1. antimony and tin, 50, 356.-1 ; cor­ etching reagents, 50, 485.4, 744.4. rosion underground, 50, 356/1 ; crack­ extrusion, effect of small % of certain ing* 50, 731/1 ; creep, 50, 723.1 ; metals, 50, 466.4 ; of cable sheath, damage and protection underground, 50, 573.4; of cablo-sheath, Judge experiences of 35 American com­ press, 50, 703.4 ; power consumption, panies, 50, 25A ; failuro, 50, 322.4 ; 50, 58.-1. improvement, 50, 322/1 ; micro­ extrusion pressure, minimum, 48, 51. examination, propn. of specimons, films, registration of cathode rays, 50, 50, 485.4, 744.4 ; prodn., 50, 573/1. 292.4. castability, 50, 329/1. flow, pressure-, at low temps., 50, 291.1. characteristic frequency, 50, 71.1. fluidity, pressure of, 43, 53. coatings, Leadliesion process, 50, 551/1. hardness, change at 200° C., 50, 211/1. compressibility at olevated tomp., effect indentation fluidity, 48, 49. of small % of cortain metals, 50, lattice parameters, 50, 362.4. 466/1. magnetic susceptibility, offoct of plastic compression fluidity, 48, 48, 56. doformation, 50, 660/1. contamination of water by, 50, 355.4, microscopic examination, prepn. of speci­ 379.4. mons, 50, 485.4, 744.4. corrosion, by distilled water and salt mineral resources, of California and soins., prevention by addn. of sodium Oregon, U.S.A., 50, 134A ; of eastern dichromate, 50, 358.1 ; by hot vapours states of U.S.A., 50, 134.4 ; of Idaho of cracked petrol, 50, 230/1 ; by iodine, and Washington, U.S.A., 50, 134.4 ; 50, 303.1 ; by mortars and concrete, of Nevada, U.S.A., 50, 134.4; of 50, 161/1 ; by sea-water, 48, 109; U.S.A., 50, 527.1. by vinegar, 50, 667/1 ; by well water, moulding, 50, 317.1. 50, 355.4 ; of cablo-sheath, by paper paints, Nust, 50, 484.4. 844 Subject Index

Lead, Lead alloys, permeability to X-rays, 50, 680**1. creep of cable-sheath, 50, 717.4, 723.1. pipe joints versus leadito und cement, estimation of antimony, rapid method 50, 183.4. of dissolving alloys preparatory to, plates for storage batteries, 50, 09LI. 50, 676.4. poisoning, recognition, 50, 521.1. estimation of tin, rapid method of dis­ refining, developments, 50, 520-4 ; elec­ solving alloys preparatory to, 50, 070/1. trolytic, 50, 317-4 ; failures of cast- etching reagents, 50, 4S5.4, 744.1. iron kettles, 50, 401/1; Harris pro­ for die-casting, 50, 323.1. cess, theory and practice, 50, 520.1; microscopic examination, prepn. of speci­ liquors, working-up, 50, 048-4 : now mens, 50, 485/1, 744.1. refinery and its operation at Bunker ternary, B.N .F.M .R.A., rocent appns., Hill 8molter, 50, 521.4 ; of residues, 50, 731/1. &c., 50, 204-4. welding, autogonous, history, 50, 113.4, residues, rocovery, 50, 204.1. «98.4. separation, from copper, olectrolytic, 50, Lead-aluminium alloys, constitution, 50, 631/1; from iron, quant., 50, 107-4 ; 151.1. from zinc, nickel and manganese by Lead-antimony alloys, hydrogen sulphide, 50, 674.1. anodes for chromium plating, 50, 95.4. sheet forchem. purposes, manu f.,50,503.4. boiling point curves, 50, 730.4. single crystals, sclerometric hardness, etching reagents, 50, 485.4, 744.1. decrease due to adsorption of active magnetic susceptibility, 50, 354.4. substances at surface of contact, Lead- antimony-tin alloys, 50, 5/1. effect of thorium, 50, 154.4. softening, 50, 211-4. microstructure, 50, 78.1. soldering, 50, 53-4. scrap, treatment, 50, 521.1. specific heat, effect of cold-work, 50, 8-4. Lead-bismutli alloys, spectra, index, 50, 63/1. boiling point curves, 50, 736/1. superconductivity, 50, 418.1; at high deposition, 50, 032.4. frequencies, 50, 217-4. electrolysis of solid, 50, 665A. supercooling and formation of nuclei, solid solutions, 50, 425.4. 50, 148^1. superconductivity, 50, 604/1. thermal expansion, 50, 290.1. Lead-bismuth-magnesium alloys, boiling thermoelectric force down to temp, of point curves, 50, 730/1. liquid helium, 50, 339/1, 418.4. Lead-brasses, analysis, 50, 538.1. tubes for domestic water pipes, 50, 455-4. Lead-bronzes, uses, 50, 379/1. bearings, friction and abrasion, 50, 253/1. water pipe, behaviour in servico, 50, centrifugal casting, 50, 711.1. 106-4 ; tin-lined, 50, 106/1. corrosion, 50, 355/1. welding, 50, 113-4, 384.4 ; autogenous, effect of casting temperature, 50, 225/1. 50, 697-1 ; autogenous, history, 50, effect of iron, 50, 225.4. 113/1, 698-1; books, 50, 589-4, 651/1; for bearings, 50, 179.1. oxy-acotyleno, 50, 54/1. freezing temperature, 50, 290.1. wire, elastic extension under longitudinal mechanical properties, 50, 101.4 ; effect stress, 50, 70.4. of antimony, 50, 537.4. Lead alloys (see also Babbitt metals, Bearing porosity, avoidance, 50, 196/1. metals, Solders, &c.), Lead-burning. Soo Lead. acid containers, difficulties of production Lead-cadmium alloys, boiling point curves, and advantages, 50, 52A. 50, 730.1. analysis, 50, 676/1. Lead-cadmium-antimony alloys, bearing anodes for electrolytic zinc j)rodn., in­ properties, 50, 17/1. vestigation, 50, 251A. Lead-calcium alloys, bearing, comparative tests with tin-base bearing, 50, 349.4. alloys, 50, 7344; effect of addns. of cable-sheaths, 50, 349.4. readily fusiblo metals, 50, 604-4 ; Lead-copper alloys, effect of arsenic, 50, 429-1; mecli. for bearings, 50, 040.1. properties at different temps., 50, miscibility gap, 50, 16/1. 429/1 ; mecli. properties, effect of separation o£ two phases on cooling, 50, pouring and mould temps., 50, 153.1, 77/1, 152/1. 731/1. Lead-copper-tin alloys, miscibility gap, B.N.F.M.R.A., corrosion-resistanco in 50, 16.1. buildings, 50, 301/1. Lead-gold alloys, galvanic potentials, 50, cable sheath, 50, 52/1; corrosion, 50, 350/1. 379/4 ; creep, 50, 723-4 ; micro-oxam- Lead-lanthanum alloys, constitution, 50, illation, prepn. of specimens, 50, 485/1, 153/1. 744/1. Lead-magnesium alloys, boiling point corrosion, relation of grain-sizo and curves, 50, 736.1. eutectic, 50, 437.1. Lead-nickel-cadmium alloys, corrosion-resistance (B.N.F.M.R.A.) in age-hardenable, 50, 296/1. buildings, 50, 301/1. solid solubility of NiCd.,, 50, 296/1. Subject Index 845

Lead oxide-antimony trioxide system, rela­ Lo-Ex, 50, 727/1. tion to loud softening, 50, 211/1. Local Sections, Lead peroxide, electrolytic coating of Honorary Secretaries, addresses, 48, 8. metals with, 50, 162/1. programmes, 1931-1932, 48, 8. Lead-silver alloys, solid solubility of lead Locomotives, at 285° C., 50, 5.-1. firebox plate, copper, brittleness, 50, Lead-sodium alloys, X-ray study, 50,431.1. 723/1. Lead-thallium alloys, firebox stays, copper, two-diam., prodn. boiling point curves, 50, 730.1. at one operation, 50, 503.4. superconductivity, 50, 004.-1. firebox stays and plates ot copper, ex­ thermal conductivity at low temps., 50, periences in England and Germany, 474.1. 50, 07/1. Lead-tin alloys (soo also Solders, &e.), fireboxes, welding, 50, 112/1, 383/1. 384.4, constitution, 49, 207 (Paper). 500.4. equilibrium diagram, 49, 281. tube plates, copper, welding, oxy-acety- etching reagents, 50, 485.-1, 744.-1. lone, 50, 112/1. eutectic, compn., 49, 282, 285. London Autumn Meeting, 49, 13. foil, colouring, 50, 192.1. Lorenz number for light alloys, 50, 10/1. production from slags, 50, 205.1. Low temperatures, effects on metals and Lead-tin-brass, physical properties, factors alloys, 50, 533/1. atTocting, 50, 427/1, 731.-1. Lubricating oils, adhoronco to motallie Lead-tin-bronzes, surfaces, 50, 277.4. as bearing alloys for severo sorvico, 50, Luders lines, 48, 319. 003/1. constitution, 50, G03/1. Lead-tin-copper alloys. See Lecul-bronzes. Machinability, measurement-, 50, 704.4. Lead-zinc alloys, Machinability of— boiling point curves, 50, 730/1. Brass rod, 50, 200/1. eutectic, 50, 78.4. Machine tools, 50, 767.1. Lead-zinc-bronze(s), freezing tempera­ application of hydraulic power, 50, 261.4. tures, 50, 290.4. developments during the past fifty years, Leadhesion process, 50, 551/1. 50, 261.-1. Legal, corrosion-fatigue, 50, 42.4. electric drive, rccont developments, 50, Library, report, 48, 5. 261/1. Light, piano-polarized, in microscopic from user’s point of view, 50, 261/1. investigation of ores and motals, 50, measurement, 50, 367.4. 311/ 1. Machined surfaces, smoothness, apparatus Linings, metal, homogeneous, 50, 109.4. for measurement, 50, 367.4. Linseed oil, corrosion of aluminium kettles, Machining, accurate, 50, 387.4. 50, 82.-1. Machining of— Liquation in— Aluminium, 50, 575.4 ; crankcases, 50, Silver-copper alloys, 49, 347 (P a p er); 575/1; cylinder blades and gear 50, 299/1. boxes, 50, 388.-1, 704.-1 ; with tungsten Liquid metals. Seo Molten metal*. earbido tools, 50, 570.4. Lithium (seo also Alkali metals), Aluminium alloys, 50, 496.4, 575.4 ; atomic weight, 50, 06.-1 . pistons, 50, 259.4, 388/1, 704/1. bibliography, pamphlet, 50, 137.1. Birmabright, 50, 001/1._ detection by tlamo coloration, 50, 673.4. Brass, lubrication, 50, 767.-1. electrical resistance, chango under Bronze, lubrication, 50, 767/1. hydrostatic prossuro, 50, 422.4. Elektron, 50, 154.4 ; turning tools, 50, history, pamphlet, 50, 137/t. 200/ 1. isotopic constitution, 50, 00.4. Magnesium, 50, 184.4 ; precautions, 50, markets and prices, pamphlet, 50, 137.4. 118/1. mineral industry of British Kmpiro Magnesium alloys, 50, 184.4, 496/1. and foroign countries, 50, 050/1. Monel metal, 50, 118.4. occurrence, 50, 290.4. Macrography, electrolytic method, 50, preparation, 50, 290/1. 744.-1. producers and dealers, pamphlet, 50,137.4. Macrography of— production, 50, 137/1, 418.1, 498.4. Bearing alloys, 50, 237.4. properties, 50, 289.-1, 290.-1. Macrostructure of cast alloys, effect of separation, by isoamyl alcohol, 50, 309.-1. turbulence duo to gases, 50, 352.4. spectra, index, 50, 03.1. Magnesite. Seo Refractory materials. uses, 50, 137.4, 455/1, 498/1. Magnesium, vaporization, latent heat of, 50, 339/1. as deoxidizer, 50, 429.4. vapour pressure, 50, 418.-1. boiling point at atm. prossuro, 50, i30.4. Lithium alloys, proportios, 50, 289.4. creep, 50, 474.4. , Lithium-aluminium alloys, 50, 425/1. crystals, phys. properties, 50, b iA . Lithium amalgams, detection, 50. 366.4 ; by coloured drop electrolysis, 50, 80^4. reactions, 50, 441.4. liquid, elect, conductivity, 50, 733/1. developments, 50, 379/1. 846 Subject Index

Magnesium, Magnesium alloys, elastic constants of singlo crystals, 50, cutting, 50, 490.-1. 212.-1. die-pressing, 50, 496.4. elasticity, 50, 2 .-1 . drawing, 50, 496.4. electrical conductivity, 50, 10.1. dynamic properties, 50, 474.1. electrical resistance, change under electrical conductivity, 50, 732.-1. hydrostatic pressuro, 50, 422.-1. extrusion, 50, 496.1. electrolytic production, selection of fatigue, 50, 530/1. method, 50, 251.-1. fatigue strength, increasing. 50, 210.1. estimation, technique of oxinato pptn., fluxes, comparison, 50, 266.1. 50, 241/1. for I.C.E. cylinders, tests, 50, 726.-1. extraction, 50, 380/1, 001.1 : olectro- forging, 50, 192.-1. lytic, from carnallitc, 50, 318.4. friction resistance at various temps., films, pliotoolect. properties, 50, 454.-1 ; 50, 720/1. registration of cathodo rays, 50, 292.-1. grinding, 50, 707.4. flux, 50, 104.4. hardness at various temps., 50, 720/1. hardness, cliango caused by bonding, heat-treatment, 50, G04/1. 50, 059.-1. machining, 50, 184.4, 490.1. industry, American, 50, 419.4. manufacture, 50, 663.-1 ; maximum Lorenz number, 50. 10.4. qualities and minimum tolerances machining, 50, 184.1 ; precautions, 50. from normal, 50, 710.4. 118/1. mechanical properties, 50, 154.-1, 496.4 ; mechanical properties, 50, 154^1. at elevated tomps., 50, 534-4. melting, viscosities of fluxes and slags, melting, 50, 507.-1, 709.1. 50, 710.4. microstructure, 50, 151.1. metallurgy, 50, 154.1. physical properties, 50, 004.-1. mineral resources of U.S.A., 50, 138.4. plastic working, X-ray study, 50, 740.-1. photoelectric properties of films, 50. plasticity under prolonged static loading, 454.4. 50, 474.1. physical properties, 50, 154/1. properties, 50. 2S9/1, 663.4. production, 50, 147.-1 ; direct, by electro­ protection, against corrosion, 50, 234.4 ; lysis of molten material, 50, 372.-1. against corrosion by pickling pro­ properties, 50, 147.-1, 289.4. cesses, 50, 742.4 ; by oxido films, pure, prepn. by sublimation, 50, 07.1, pamphlet, 50, 717/1 ; by selenium and 530.4. olliercoatingprocesses,48,147 (Paper). purification, 50, 2.1. rolling, 50, 496/1. rolling texture, 50, 303.-1. solid solutions, 50, 2.1, 530/1. separation of calcium by sodium tung- stamping, 50, 192.-1. state, 50, 442.1. thermal conductivity, 50, 720/1, 732/1. single crystals, physical anisotropy, 50, thermal expansion, 50, 720.4. 2.4. 530.1 ; phys. properties, 50, uses, 50, 154.4, 603.4 ; in aircraft, 50, 212/1; plastic deformation, 50, 2.4, 763/1 ; in aircraft engines, 50, 184.-1, 530.4. 691.1 ; in modern construction, 50, spectra, index, 50, 03.4. 496.1. sublimation in vacuum, 50, 2.4. welding, 50, 496.-1; fluxes, 50, 188/1; thermal conductivity, 50, 10/1. precautions, 50, 53.-1, 54.-1. thermal e.m.f. of singlo crystals, 50, working, 50, 490.-1. 212.1. wrought, elastic behaviour, effect of thermal expansion, 50, 2.4 ; of singlo temp., 48, 255; proposed revisions crystals, 50, 212/1. of A.S.T.M. tontativo standards, 50, uses, 50, 147.4, 380/1, 004.1, 091.1 ; 321/1 ; report of A.S.T.M. ettee., 50, in elect, industry, 50, 04U.4. 321.4. working, 50, 154.4". Magnesium-aluminium alloys, Magnesium alloys (seo also Dowmelal, a solid solution range, boundary. X-ray Elektron, Ac.), detn., 50, 732.4. anti-friction, 50, 225.1. boiling point curves, 50, 730.4. behaviour in regard to Wiedemann- casting, 50, 294.4. Franz Law, 50, 732/1. chemical properties, 50, 604.4. brands, tablo of properties, &c., 50, electrical conductivity, 50, 10.1. 154.4. equilibrium diagram, 50, 004.1. cast, proposed revisions of A.S.T.M. fatigue, clToct of lanolino coating, 49, tentative standards, 50, 321.-1 ; report 103. of A.S.T.M. etteo., 50, 321.4. heat-treatment, 50, 604.1. castability, 50, 329.4. Lorenz number, 50, 10/1. casting, 50, 507.1, 709.1. physical properties, 50, 004.-1. castings, A.S.T.M. tentative specifica­ properties, 50, 294.4. tions, 50, 106/1, 322.-1. solid solubility of aluminium at different chemical properties, 50, 604.4. temps., 48, 221 [Paper). corrosion, 50, 355.4, 651,1, 740/1. solid solubility of magnesium, X-ray creep, 50, 474.1. detn., 50, 12.-1, 553.4. Subject Index 847

Magnésium-aluminium alloys, Magnesium-manganese alloys, solid solutions, homogenized, tensile physical properties, 50, 004.-1. tests, 50, 732.-1. solubility oi manganese, X-ray detn., thermal conductivity, 50, 10. 1 . 50, 155.1. Magnesium-aluminium-copper alloys, thermal conductivity, 50, 10/1. constitution, 50, 803.-1. Magnesium silicide - copper - aluminium corrosion by tliroo typos of corroding alloys, equilibrium relations, 50, 222.4. media, 50, 480/1. Magnesium-silicon alloys, equilibrium relations, 50, 222/1. chem ical properties, 50, 004.-1. Magnésium-aluminium-silicon alloys, electrical conductivity, 50, 10.4. Al3Mg2, X-ray ovidonco, 50, 485/1. equilibrium diagram, 50, 004/1. constitution, 50, 340/1. heat-treatment, 50, 004.4. electrical conductivity, 50, 10-1. Lorenz number, 50, 10/1. equilibrium diagram, 50, 472.1. physical properties, 50, 004/1. Lorenz number, 50, 10.4. thermal conductivity, 50, 10/1. Mg.,Si, presenco n ot confirm ed by X -rays, Magnesium-zinc alloys, 50, 485/1. a solid solution range, boundary, X-ray thermal conductivity, 50, 10.-1. detn., 50, 732.-1. Widmanstiitten structure, 50, 485,4. boiling point curves, 50, 73G.4. Magnesium-aluminium-zinc alloys, solid chemical properties, 50, 604 I. solutions, elongation, 50, 732.1. electrical conductivity, 50, 10.4. Magnesium-antimony alloys, boiling point equilibrium diagram, 50, 004.4. curves, 50, 730.4. heat-treatment, 50, 004A. Magnesium-beryllium alloys, 50, 295.4. Lorenz number, 50, 10.4. attempts to make, 49, 303 (Taper). physical properties, 50, 004.4. Magnesium-bismuth-lead alloys, boiling solid solutions, homogenized, tensile point curves, 50, 730/1. tests, 50, 732/1. Magnesium-cadmium alloys, thermal conductivity, 50, 10.4. boiling point curves, 50, 730.-1. Magnetic anisotropy, 50, 70,4. chemical properties, 50, 004.1. Magnetic effects, now kind of e.m.f. and electrical conductivity, 50, 10.1. other effects thermodynamically con­ equilibrium diagram, 50, 604.1. nected with, 50, 423/1. heat-treatment, 50, 004,1. Magnetic hysteresis, Lorenz number, 50, 10.4. block structure and, 50, 9.1, physical properties, 50, 004/1. Curve, apparatus for detn.. 50, 242A. thermal conductivity, 50, 10.1. wave-mcchanics theory, 50, 340.4. Magnesium-calcium alloys, Magnetic materials, progress, 50, 703/1. chem ical properties, 50, 004.-1. Magnetic moments o£—■ equilibrium diagram, 50, 004/1. Alloys, method of discussion, 50, 065.-1. heat-treatment, 50, 004/1. Magnetic permeability of — physical properties, 50, 004/1. Ferromagnetic materials in H.-F. oloctro- Magnesium-cerium alloys, magnotic fields, 50, 2.1, 3/1. chemical properties, 50, 004.1. Hipernik, 50, 733.-1. electrical conductivity, 50, 10A . Iron, dependonco on field at high- equilibrium diagram, 50, 004.1. frequency, 50, 344.4 ; in H.-F. oloctro- heat-treatment, 50, 004.1. magnotic fields, 50, 2/1, 3.1 ; thin Lorenz number, 50, 10.4. wires in H.-F. weak fields, 50, 344.4. physical properties, 50, 004.4. Nickel in H.-F. electromagnetic fields, thermal conductivity, 50, 10.1. 50, 2.4, 3.4. Magnesium-copper alloys, Permalloy, 50, 227,1, 298.4. age-hardening, 48, 2u2. Magnetic properties, chem ical properties, 50, 004.-1. dependence on elastic strains, 00, 000.4. electrical conductivity. 50, 10.1, mathematical explanation, 50, 72.4. equilibrium diagram, 50, 004.1. Magnetic properties of — heat-treatment, 50, 004.4. Chromium dilute solid solus., 50, 005.-1. Lorenz number, 50, 10.4. Cobalt, at high temps., 50, 595.4 ; films magnesium rich, constitution, 50, 429.4. (electro-deposited), 50, 694/1. physical properties, 50, 004.4. Cobalt-iron alloys at high temps., 50, thermal conductivity, 50, 10. 1 . 595/1. Magnesium-lanthanum alloys, «institution, Films, 50, ¡>99.4. 50, 153/1. Gold iron alloys, 50, 153.1. Magnesium-lead alloys, boiling point Invar at high temps., 50, 595/1. curves, 50, 730.4. Iron, at high temps., 50, 593.4 ; films, Magnesium-manganese alloys, 50, 599/1. chemical properties, 50, 004.4. Iron alloys, effect on dispersion liarden- electrical conductivity, 50, 10.4. ing, 50, 731,4. equilibrium diagram, 50, 004.1. Manganese dilute solid solutions, 50, heat-treatment, 50, 004.1. 005/1. lattice constants, 50, 155.-1. Nickel, at high temps,, 50, 595,-1; films, Lorenz number, 50, 10.1. 50, 599/1. 848 Subject Index

Magnetic properties of— Magnetization of— Nickel alloys at high tomps., 50, 595.4. (oloctrodepo8ited), 50, 595.4.; relation Permalloy, offect of internal strains, of increaso of rosistanco and, 50, longitudinal stretching and hydraulic 218/1; temp, changes accompanying, pressure, 50, 475/1. 50, 723A. Perminvar, 50, 18/1. Permalloy, virginal and remanent, rela­ Platinum, 50, 213/1. tion, 50, 350*4. Magnetic resistance of— Perminvar, virginal and romanent, Ferromagnetic electronic conductors, relation, 50, 350/4. increaso, interpretation, 50, 218/1. Single crystals, theory, verification, 50, Magnetic susceptibility, 345*4. effect of cold-work, 50, 110/1, 150/1, Magneto-resistance effects, 50, 345*1. 599.1. Magneto-strain effects, 50, 345/1. effect of internal stress, 50, 75/1. Magnetostriction, measurement, balanco for, 50, 40/1. theory, 50, 73/1. theory, book, 50, 719/1. vibrators, moasurcmonts, 50, 156/1. Magnetic susceptibility of— Magnetostriction effect, transverse, 50, Antimony-thallium alloys, 50, 354.1. 73.4, 423/1. Binary alloys, 50, 354/1. Magnetostriction of— Bismuth, offect of cold-work, 50, 76/1 ; Cold-drawn wire, 50, 344/1. effect of plastic deformation, 50, N ickel, remanonco and hystorosis associ­ 660*4 ; singlo crystals, dependence on ated with, 50, 658.4. field, 50, 657/1. Nickel-iron alloys, 50, 156/1. Cadmium-antimony alloys, 50, 354/1. Management, industrial, book, 50, 132*4. Cobalt in tetravalent form ,5 0 , 146.4. Manganese, Copper, effect of cold-work, 50, 76.1 ; electrode potential, 50, 79/1. effect of plastic deformation, 50. 660/1. emergency problem, practical method Copper-nickel alloys, 50, 18/1. of solving, pamphlet, 50, 134*4. Copper-zinc alloys, offoct of plastic estimation, as dioxide, quant., 50, deformation, 50, 660-4. 6 19 /1; bibliography, 50, 168/1; by Diamagnetic metals, offoct of plastic Knorre’s method in presence of doformation, 50, 660.4. certain other motals, 50, 168*4 ; Lead, offoct of plastic deformation, 50, colorimetric, 50, 89/1 ; colorimotric, 66U/1. by periodate method, now and simpli­ Lead-antimony alloys, 50, 354/1. fied colorimoter, 50, 620/1; in bronze, Manganese, a and p modifications, 50, 50, 8 9 /1 ; in large amts., modification 658/1. of silver salt-persulphato mothod, 50, Paramagnetic metals, offoct of plastic 89*4; methods critically discussed, deformation, 50, 660/1. 50, 168/1; of small amts., oloctro- Platinum, offoct of cold-work, 50, 76.4. colorimotric, 50, 554*4; pptn. as Silver, offoct of cold-work, 50, 76/1 ; MnNH4P04,H20, 50, 89/1, 443/1 ; effect of plastic doformation, 50, 660/1. volumetric, after oxidation by Thallium-cadmium alloys, 50, 354.4. periodate, 50, 8 9 /1 ; use of zinc Tin-antimony alloys, 50, 354.1. oxido, 50, 8 8 /1 ; with potassium Tin-thallium alloys, 50, 354.4. periodate, 50, 169*4. Zinc-antimony alloys, 50, 354/1. fe rro -. Soo Ferro-manganese. Zinc-cadmium alloys, 50, 354.1. magnetic susceptibilities of a and p Zinc-copper alloys, offect of plastic modifications, 50, 658/1. deformation, 50, 660/1. mineral resources of U.S.A., 50, 138.4. Magnetic testing. Seo Testing. production, statistics, 50, 380*4. Magnetism, structure sensitiveness, 50, volume changes during solidification, 75.4. 50, 226/1, 475/1. Magnetization, Manganese alloys, after-effect, 50, 74/1. solid solutions, dilute, magnetic pro­ change at Curie point, 50, 344/1. perties, 50, 605/1. intensity, measurement, 50, 242/1. volume changes during solidification, 50, intrinsic, temp, variation, relation to 475/1. other properties of ferro-magnetics, Manganese-aluminium alloys, 50, 10/4. casting, 50, 294^1. reversed, in strained wires, 50, 217/1. constitution. X-ray study, 50, 33*4. virginal and remanent, relation, 50, creep, 50, 299*4. 350*4. Manganese arsenide, change in thermo­ Magnetization of— electric powor on passing from ferro­ Cobalt singlo crystals at high temps., magnetic to paramagnotic state, 50, 50, 146/1. 228/1. Ferromagnetic materials, and magneto - Manganese-boron alloys, ferromagnetism, caloric effect, 50, 9/1. 50, 226/1. Nickel, 50, 10/1; change at Curie point, Manganese-brasses, 50, 344*4; effect on modulus of analysis, tentative rovisions of A.S.T.M. elasticity, 50, 147.4, 419/1; films standard methods, 50, 240*4. Subject Index 849

Manganese-brasses, Materials handling, book, 50, 717/1. bearings, friction and abrasion, 50, Materials of construction, book, 50, 142.4 253.4. (review). book, 50, 459.-1. Matrix alloy, composition, 50, 182.4. castings, properties and structure, 50, Matthiessen’s constant, 50, 598/4. 15.4. Maxilvry, 50, 009.4. estimation ol manganese, 50, 89.4. May Lecture, 48, 315, 317. founding, 50, 708.4. M .B.V. process. See Modified Bauer-Vogel manufacture, simplified mothod, 50, 15.4, process. 774/1. Mechanical handling, book, 50, 407/1. Manganese-“ bronze.” Soo Manganese- Mechanical properties. Soo under Specific brass. properties. Manganese-carbon alloys, slirinkago on Mechanical technology, book, 50, 403.4 solidification, 50, 220.4. (review). Manganese-cobalt alloys, equilibrium Medals, reduction, by succossivo castings, diagram, 50, 224.1. 50, 711/1. Manganese-iron alloys (seo also Ferro­ Melting, manganese), furnaces. Soo Furnaces. constitution, 50, 78.4, 79/1, 297.4, 732/1, immersion, using gas-firod units, 50, 733.4. 510.4. crystal structure, 50, 79.1, 732.1. in vacuum, 50, 215/1. dilatometric study, 50, 297.4. methods, chem. and metallurgical bases, electrode potentials, 50, 004.4. 50, 500.1. transformation characteristics, 50, 220/1. under pressure, 50, 343/4. x-ray study, 50, 297/1. Melting of— Manganese-iron-carbon alloys, Aluminium, comparison of graphite and equilibrium diagram, 50, 220.4. cast-iron crucibles, 50, 500/1 ; fluxes, preparation, 50, 78.4, 296/1, 732.4. 50, 203/1; in elect, furnace, data, 50, Manganese-magnesium alloys, 124/1; precautions, 50, 507/1. chemical properties, 50, 004/1. Aluminium alloys, 50, 124/1 ; compari­ electrical conductivity, 50, 10/1. son of graphite and cast-iron crucibles, equilibrium diagram, 50, 004/1. 50, 500/1. heat-treatment, 50, 004.1. Aluminium-“ bronze,” 50, 125/1. lattice constants, 50, 155/1. Brass, in cupola, 50, 127/1,709/1; socond- Lorenz number, 50, 10.4. ary, in roverberatory furnace, 50, physical properties, 50, 004.1. 330-4. solubility of manganese, X -ray study, 50, Bronze in cupola, 50, 204.4. 155/1. Constantan, 50, 473/1. thermal conductivity, 50, 10A. Copper, for thick castings, 50, 204.4, Manganese-nickel alloys, 772/1. equilibrium diagram, 50, 20.4, 430.4. Copper-nickel alloys, 50, 125/1. ferromagnetism and phaso configuration, Elektron, 50, 507/1. 50, 20/1, 430/1. Magnesium, viscosities of fluxes and Manganese-nickel-iron alloys as rheostat slags, 50, 710/1. materials, 50, 227.4. Magnesium alloys, 50, 507.1, 709.4. Manganese-nitrogen system, ferromagnet­ Monel metal, 50, 19.1, 391/1. ism, 50, 220.1. Nickel-brasses, 50, 205/1, 709/1. Manganese-silver alloys, oloctrode Nickel-chromium alloys by use of hydro- potential, 50, 79.1. gen gas, 50, 508/1. Manganese-silver-copper alloys, constitu­ Platinum in vacuum, 50, 197.4. tion, 50, 21.4. Silver in H.-F. induction furnace, 50, Manganese-zinc alloys, 583/1, 777/1. constitution, 50, 431/1 ; X -ray study, 50, Zinc, compn. of kettles for, 50, 581/1. 352.4. Melting point of—- pamphlet, 50, 459.4. Beryllium, 49, 372, 50, 145/1. Manganin, Chromium, 50, 728.4. bright-annealing, causes of change of Elektron, 50, 154/1. properties during, 50, 473/1. Iridium, 50, 289/1. electrical resistance, change with Refractory materials, 50, 756/1. tomp., A.S.T.M. test for detn., 50, Ultralumin, 50, 727/1. 91/4. Melting pressures, 48, 02. electrical resistance of wires, for H.-F. Members, election, 48, 18, 315; 49, 15- currents, 50, 14A. Membranes. Soo Films. Marine engineering, Mercurides, raro earth metal, 50, 540.4. new alloys for, 50, 109.4. Mercury, . non-ferrous alloys for, 50, 77.4. adsorbed atoms, attempt to activate by Marine engineers, directory, 50, 288.4 ultra-violet light, 50, 418/1. [review). as dispersing medium, 50, 227.4. Masurium, pamphlet on properties, prodn., consumption, 50, 380/1 ; (by uses), 50, &c., 50, 138/1. G40/1. VOL. I.. 4 H 850 Subject Index

Mercury, Metallurgy, detection, 50, 554*4 ; in minute amts.* books, 50, 59/1, 62.4, 403/1, 589/1 ( r e ­ electroehem., 50, 441/4 ; in very small v i e w ) , 649/1, 652/i ( r e v i e w ) , 716.4, amts., 50, 443/1. 719/1 ( r e v i e w ) , 720/1 ( r e v i e w ) , 782/1. estimation, gravimetric, us periodate, 50, development of science, 50, 778/1. 90/1 ; in prosonco of copper and early, 50, 202/1. arsenic, or iron salts, quant., 50, 90/1 ; fundamentals, book (in Russian), 50, in small amts., 50, 443.4 ; rapid, 50, 334/1. 620/1 ; volumotric, as periodate, 50, history, 50, 778/1. 90/1. non-ferrous, book, 50, 404/1. films, photooloctrie properties, 50, 212/1. practical, for engineers, book, 50, 206.4. Hall efffect in solid metal, 50, 418.4. relation of physics, 50, 202.4. metallurgy, 50, 640/1. research, rocont tondoncies, 50, 778/1. mineral resources, of U.S.A., 50, 138/1. Metaphot, 50, 170-4. oxidation by nitric acid, hydrazine as Metso, 50, 706.4. retarding agent, 50, 149.4. MG 7 alloy. See Alum inium alloys. photoelectric properties of films, 50,212.4. Micromax pyrometer, 50, 175/1. poisoning, 50, 649/1. Microphotography. Seo Photom icrography. production, statistics, 50, 380/1. Microscopes. Soo Laboratory apparatus. purity, 50, 723/1. Microscopic examination, advances, 50, single crystals, thermal conductivity, 50, 237/1. 595/1 ; thormoolcctric power, 50, 595/1 ; Microscopy, W iedemann-Franz-Lorenz valuo, 50, by polarized light, 50, 749.4. 595/1. practical, books, 50, 130/1, 412/1 ( r e ­ solid, Hall effect, 50, 212/1. v i e w ) . surface tension, 50, 594/1. Milk, uses, 50, 640/1. action on metals, 50, 302/1, 357.1 ; vapour, as indust, heat transfer medium, considerations governing, 50, 302/1 ; 50, 691/1 ; elect, discharges in, 50, effects of operating conditions in 763/1 ; for heat transfer, 50, 498.4 ; various parts of pasteurizing equip­ glow discharge, 50, 418.1 ; trans­ ment, 50, 435/1. former, 50, 107/1 ; turbines, 50, 184.4, corrosion of metals by, 50, 83.4 ; possiblo Mercury alloys. Soo also A m a lga m s. galvanic effects, 50, 545/1, 608-4; Mercury-cadmium alloys, superconductiv­ submerged teste, 50, 302/1. ity, 50, 475/1. solubility of copper, 50, 25.4. Mercury-gold alloys, solubility of gold, 50, Milling for limited production, 50, 768/1. 663-4. M irrors, Mercury-iron alloys, solubility of iron, 50, ancient, 50, 497/1. 298.4. history, 50, 649.4. Mercury-iron pentacarbonyl, 50, 350.4. Mixed crystals. Seo Solid solutions. Mercury-nickel alloys, solubility of nickel, Model toy industry, use of non-ferrous 50, 298/4. metals and alloys, 50, 109/1. Mercury-nickel carbonyl, 50, 350/1. Modified Bauer-Vogel process, 50, 438/1, Metal spraying. Soo Spraying o f metals. 481/1, 742/1. Metal statistics, book, 50, 333.4. Molecular sphere of action of metals, 50, Metallic state, 8.4. electron theory, pamphlet, 50, 651/1. Molten alloys, electrolysis, 50, 665/1. mathematical theory, 50, HA. Molten metals, misconceptions, 50, 342/1. electrical conductivity, change in mag­ nature, 50, 210.4. netic field, 50, 432/1. quantum theory, 50, 71.1. electrical resistance, detn., 50, 152/1. Metallization. Soo Spraying of metals. Hall effect, 50, 9.4. Metallography (see also Photomicrography), Molybdenum, art of, 50, 237/1. absorption of carbon monoxide, 50, 470.1. books, 50, 524/1, 588.4, 650/1, 782/1. absorption of nitrogen, 50, 470/1. equipment. Soo Laboratory apparatus. bibliography, 50, 525.4, 703.4. optical hints, 50, 439/1, 486/1. degassing, 50, 470.1. polishing, to retain graphite and inclu­ diffraction patterns, 50, 747.1. sions, 50, 671/1 ; use of black m ag­ electrical resistance, change under hydro­ netic rouge, 50, 552A. static pressure, 50, 422.4. report of A.S.T.M. cttee., 50, 306/1, electrode potentials in potassium hydr­ 485/4. oxide solns., 50, 637/1. specimens, automatic polishing, 50, 86/1. electrolytic oxidation in potassium hydr­ technique, 50, 164/1. oxide solns., 50, 637/1. with polarized light, 50, 40/4. estimation, by potassium permanganate, x-ray, 50, 237-4 ; precision method, 50, 50, 443/1; colorimetric, 50, 310/1. 486-4. ferro-. See Ferro-m olybdenum . Metallurgical reactions, use of thermo­ films, sputtered, arrangement of micro­ dynamical data to study, pamphlet, crystals, 50, 616/1. 50, 133.4. lattice parameters, 50, 362.1. Subject Index Sot

Molybdenum, Monel metal, micro-crystals. Arrangement in spattered acetyleno, practical hints, 50, 1 ST-4: film, 50, 616.4. practical notes, 50, 698-1. occurrence, 50, 691.1, 763.!. wire-cloth, 50, 455.4. pamphlet, 50, 3S9.1. Mortar, offect on metals, 50, 161-1. production, 50, 763.-1. Moulding, properties, 50, 76X1. dowelling methods, 50, 268.1. thermoelectric power, 50, 724-1. m achine-, advantages, 50, 509-1. thoriated, coarse of activation, 50, 23.-1. Moulding machines, uses, 50, 52.4, 380-1, 69L4, 763.4. electro-magnetic, 50, 309.1.- Molybdenum-iron alloys. See F tr ra - magnetically operated, 50, 269.1. mobjbdentsm. types, 50, 309.4, 713.4. Molybdenum-iron-carbon alloys, equi­ Moulding of— librium diagram. 50, 297/1. Alum inium shoe lasts, 50, 330/1. Monazite, pamphlet, 50, 137.4. Propellers, 50, 391.4, 308-4. Monel metal (see also -Viekel alloy*), Moulding ssnrig, annealing, 50, 19.1, 430.1, 570.1. book, 50, 784.4. brazing, 50, 19.1, 430.4. classification, 50, 641.1. casting, 50, 19.4, 266.1. clays for, endoranv-e of bond screnu&ii, centrifugally cast, 50, 19.1. 50, 775.4. chemical properties, 50, 253.1. control, 50, 510.4. condensers, surface-, construction, 50, dry versus green, 50, 391.1. 690.1. for bronze casting, 50, 268-1. corrosion, 50, 19A ; b y alkaline soins., grading, comparison of meth»*!«, 50, 50, 436.4 ; b y bleaching liquors in 509-1; grain distribution index for, textile industry, 50, 435.4 ; by cider 50, 128.1. and apple juice, 50, 303.4 ; by milk, grains, character, 50, 128-1. 50, 302.1. humidity, detn., 50, 269.4. corrosion-resistance, 50, 255.1. literature, review, 50, 713-1. deoxidation, 50, 19.1. oil-sand, 50, 392.4. driving shaft o f m otor boat, 50, 498.1. permeability, 50, 641.4. endurance properties at low temps., 50, practical notes, 50, 775.4. 79-1. preparation, plane, 50, 509.1. fatigue, 50, 7.33.4. report of A.F.A. cttee.. 50, 309.1. grinding of balls, centreless, 50, 707.1. rubbing machine, 50, 129.1. hardness, at low temps., 50, 79.1 ; effect Russian, for bronie casting. 50, 268.1. of cold-rolling, 50, 6.-1. slinging, 50, 392.4. impact strength at low temps., 50, 70A. slinging machine, 50, 310.4. impact value, Izod notchod-bar, effect strength, relation of grain shape, 50, of cold-work, 50, 430.4, 680.1. 268.4, 309.4. machining, 50, 118.4, 430A. structure, 50, 509-1. mechanical properties, 50, 430/1. synthetic, prepn. and use, 50, 268-1- melting, 50, 19.4, 391.4. testing, 50, 269-1, 391-4, 509.4, 310.1, nitriding containers, 50, 108.4. 641-4, 713.4, 775.1, 776 1 ; co­ physical properties, 50, 19.4, 255A . ordination of methods, 50, 269.1. pickling, 50, 19/1, 768.1. used, removal of dost, 50, 64LI. piston, spinning, 50, 328-4. Moulds, pouring temperature, 50, 19.4. cast-iron, “ blowing,** occurrence and pressing, 50, 430A, cause, 49, 205, 232. radiators, for building heating, 50, 52.4. copper, need for use of H.-O. metal. 49, rigidity, temp, coefl., 50, 82.1, 158/1. 228, 229; temp, gradients in walls, riveting, countersunk, 50, 382/1. 49, 216. soldering, 50, 19.1, 430.-1. dry-sand, venting, 50, 713-1. spinning, 50, 430.4. facing materials,'50, 128-1. strengthening on cold-rolling, 50, 6/1. facing sands, sea coal, etfect ot heat on stress-corrosion, 50, 232.4. permeability, 50, 128.4, stres3-endurance curves, 49, 27. lor strip ingot casting, materials for. tensile properties, at low temps., 50, 79/1 ; 49, 203 (Paper). effect of cold-rolling, 50, 6/1 ; im­ hardness, control, 50, <13.4. provement, 50, 351/1. mild steel, temp, gradients in wall uses, 50, 255.-1, 430/1, 691.1 ; in glass during and after pouring, 49, 214. machinery, 50, 693/1 ; in marine water-cooled, construction and use, 50, construction, 50, 181/1 ; in textile 770.-1. industry, 50, 569.-1. Mumetal, . , . , welding, 50, 19/1, 113.1, 257A, 384.1, cold-rolling, rote of prodn. ot lattice 765/1 ; autogenous, 50, 188/1 ; auto* distortion and preferred orientation. genous, in construction of chem. 50, 672.1. apparatus, 50, 257/1 ; elect., 50, 188/1 ; core loss current, measurement by moans of a.c. potentiometer, 50, in apparatus construction, 50, 54/1 ; oxy-acetylene, 50, 113/1, 430.1 ; oxy- 605/1. 852 Subject Index

Mumetal, Nickel, magnetizing current, moasuroment by titis, 50, 493/1; dotn. of nickel ui moans of a.c. potentiometer, 50, bath by Moore’s method, 50, 98/1 ; 6 05 4 . detn. of thickness of deposits by use in meter and instrument design, nomograms, 50, 682.4 ; dovolopments, 50,3 11 .1 . 50, 450.4 ; effect of acidity of electro­ Muntz metal (soo also Brasses, and under lyte on structure and hardness of names of constituent metals), doposits, 50, 178.4 ; offoct of and condenser tubes and ferrule stock, of various bufforing agonts, 50, 1784 ; seamless, • tentative revisions of offoct of small amts. of chromic acid A.S.T.M. standard specifications, 50, and of chromic sulphate, 50, 178.4 ; 3 21 4 . efficiency of nickel anodes, 50, 759/1 ; electric furnace (Ajax-Wyatt) for molt­ Foscol process, 50, 682/1 ; for resist­ ing, material and heat balance, 50, ance to corrosion, 50, 97.4 ; high c.d., 511/1. probloms, 50, 314/1, 682/1 ; high­ MVC alloy, properties, 50, 12.4, 223/1, speed, in England, 50, 97/1, 177/1 ; 536/1. historical roviow, 50, 315/1 ; hot solns. and low Pu, 50, 564.4; hot solns., progress, 50, 97.4 ; low p a solns., 50, Naval brass. Soo Brass. 97.1, 178/1 ; measurement of H-ion NCT 3 alloy, concn. of bath, 50, 248/1; nickol composition, 50, 605-1. anodes for, 50, 464 ; on aluminium physical properties, 50, 605/1. and its alloys, 50, 474, 2484, 2624, Neodymium mercuride, 50, 540/1. 4504, 6334, 7594 ; on aluminium Newfoundland, manufacturing industries, die-castings, 50, 5654 ; on rolled zinc 50, 61/1. and zinc die-castings, 50, 99/1 ; on Nichrome, worn Diesel ongino parts, 50, 6354 ; nitriding containers, 50, 108/1. on zinc-baso die-castings, 50, 2484 ; use in glass machinery, 50, 693/1. Panzer process, 50, 974, 3714 ; pas­ Nickel, sive and donso doposits by Panzer absorption of oxygen during melting, process, 50, 974 ; pitting, 50, 564/1 ; effect of turbulonce, 50, 511.4. prepn., advantages and disadvantages action of coffee, 50, 740.1. of nickel anodes, 50, 7594 ; properties action of tea, 50, 740.1. of low Pu baths, 50, 759/1; rapid, Admiralty. Soo Coppcr-nickel-tin alloys. baths, 50, 974 ; rapid, comparison of Barkhausen effect, 50, 9/1. practico in U.S.A. and Europe, 50, book, 50, 63/1. 564.4 ; “ stopping off ” materials, 50, casting, 50, 266.1, 581/1. 3154; stripping baths, 50, 6824 ; coinage, recent issues, 50, 692/1. throwing power of solns., 50, 6824 ; cold-rolling, preferred orientation pro­ ultra-rapid, 50, 493/1 ; use of colori­ duced by, 50, 164/1; rato of prodn. meter for dotn. of nickol content and of lattice distortion and preferred P u of solns., 50, 484 ; using local a.c. oriontation, 50, 672.4. or d.c. supply, 50, 759.4. contact potential difference between iron deposits, stripping baths, 50, 6824; and, 50, 67.4. wear, 50, 6354. corrosion, atmospheric (“ fogging ” ), detection, spectroscopic, 50, 6204. 48, 121 (P a p er) ; by alkalino solns., diffraction patterns, 50, 7474. 50, 436.4 ; by bloaching liquors in effect of sulphur in hot-working, 49, 408. textile industry, 50, 435/1 ; by milk, effect on bearing bronzes, 50, 154. 50, 302.4 ; by milk, effects of operating effect shown in alternating oloctro-mag- conditions in various parts of pasteur­ notic fields, 50, 2184. izing equipmont, 50, 435.1 ; by soa- elasticity, modulus, offoct of magnetiza­ water, 48, 109. tion, 50, 1474, 4194. corrosion-resistance to gases, 50, 436.4. electrical resistance, chango at Curie creep, 50, 558.1. point, 50, 344.1 ; chango in magnetic Curie point, influonee of moch. deforma­ iiold, 50, 340.1; chango under hydro - tion, 50, 340-4. statio pressure, 50, 4224 ; effect of degassing, 50, 470.4. torsion, 50, 6594 ; temp, coeff., 49, density, effect of torsion, 50, 659.1. 288. deposition, 50, 450-4 ; advantages of low electrolytic, chom. and phys. properties, P j l ? 50, 3 71.1; American and Conti­ 50, 67/1; improvement of quality by nental practice, 50, 315-4, 682.4 ; at remolting, 50, 2664. high c.d., 50, 177.4 ; calcium fluorido electrolytic production by moans of insol. method for detn. of fluoride in baths, anodes, 50, 251.4. 50, 451.4 ; cathodic, from nickel sul­ endurance, 50, 5584. phate solns., influence of various estimation, as sulphide, 50, 394 ; colori­ factors, 50, 632.4 ; chem. control of metric, potassium dithio-oxalato baths, 50, 315.4, 371-4 ; control of method, 50, 5 5 4 4 ; gravimetric, 50, acidity in low p& baths, 50, 9 7 .4 ; 5544 ; in ammoniacal soln., micro- control of solns., 50, 564-4 ; derma - electrolytic, 50, 4434; in Ni-Cr, Subject Index 853

Nickel, N ickel, Ni-Cr-Fo and Ni-Cr cast-iron, 50, riveting, countersunk, 50, 382/1. 554/1; in plating solns. by Moore’s rolled surfaces, pneumatic fettling ham­ method, 50, 98/1; in stool, 50, 39/1; of mer and frazing machine, 49, 395. chromium and, in same soln., vol., rolling mills, hot-, 49, 401. 50, 168/1; quant, b y filtration m othod, secondary electronic emission, discon­ 50, 620/1. tinuity at Curio point, 50, 346.4. estimation of zinc (small amts.), 50,677/1. separation, 50, 620/1. extraction by carbonyl process, influence sheet, cutting, use of compressed nitro­ of sulphur compds., 50, 277/4. gen, 50, 575/1 ; preferred orientation ferromagnetism, associated with con­ produced by cold-rolling, 50, 164/1. ducting electrons, 50, 346/1. single crystals, propn. by Bridgman fibre structures, prodn., 50, 76/1. method, furnace and crucible devico films, elect, properties, 50, 343.1 ; for, 50, 312.4. (electrodoposited), magnetization, 50, solubility of oxygen, 50, 511^4. 595*4; olectrodeposition, 50, 565/1; specific heat, dependence on temp., 50, magnetic properties, 50, 599.4. 726/1 ; effoct of cold-work, 50, 8.4. fluidity, pressure of, 48, 53. speiss, constitution and mothod of treat­ fogging, 48, 121 (P a p er); catalysis in, ment, 50, 298.4. 48, 130,136; influence of light, 48, 124 ; stress-endurance curves, 49, 27. influence of sulphur dioxide, 48, 130. sub-boundary structures, 50, 614/1. forged surfaces, pneumatic fettling ham­ surfaces, recombination of hydrogen mer and frazing machine, 49, 395. atoms on, 50, 658/1. forging press, 49, 400. tensile properties, 49, 289; effect of gases in, evolution on heating, 50, 340/1. added elements, 49, 291 ; effect of history, 50, 521/1, 569/1. diam. of wiro, 49, 291. hot-working, modern works plant and thermal diffusivity, 50, 292/1, 595/4. equipment, 49, 391 (Paper). thermoelectric power, variation with ingots, planing, 49, 395, 410; squaro, temp., 50, 664/1. machining, 49, 395. thermomagnetic effects, 50, 340/4. itch, 50, 493/1. torsion, effect on density, dimensions Joule magnetic effect, is positive elonga­ and elect, resistance, 50, 659/4. tion shown ?, 50, 595^1. torsion modulus at high temps, and lattice parameters, 50, 362.4. under simultaneous magnetization, 50, magnetic permeability in H .-F . oloctro- 419/1. magnetic fields, 50, 2/1, 3/1. tubes, fatiguo-rcsistance, 50, 380A. magnetic properties, at high temps., 50, uses, 50, 380.1, 381/1, 569/1, 691.4 ; 595/1 ; of films, 50, 599/1. for internal decoration, 50, 184.4 ; magnetic transformation point, 50, 533/1. in dairies, 50, 692/1 ; in engineering, magnetization, 50, 10/1; change at Curio 498/1 ; in marine engineering, 50, point, 50, 344.4 ; offoct on modulus 380/1 ; in wireless valves, 50, 381/1. of elasticity, 50, 147/1, 419/1; relation valence, book, 50, 652/1. of increase of resistance and, 50, 218.4 ; veining or sub-boundary structures, 50, relation to temp., effect of moch. de­ 614/1. formation, 50, 340/1 ; temp, changes welding, 50, 257/1, 384/1 ; practical accompanying, 50, 723/1. hints, 50, 188/1. magnetostriction, remanenco and hys­ wire, creep tests, 49, 295 ; elastic teresis associated with, 50, 658/1. extension under longitudinal stress, malleable, prodn., 50, 390/1. 50, 70.1 ; mech. properties, 49, 28, m atte, constitution and method of treat­ (Paper) ; stretched, crystal lattice ment, 50, 298.4. distortion, 50, 617/1. metallurgy, 50, 521A , Nickel alloys (soo also Corronil, Inco, passivity, 50, 637/1. Konel, Monel metal, Nickel-brass, photoelectric efficiency in extreme ultra­ Permalloy, Perminvar, Silveroid, &c.), violet, 50, 221.1. age-hardening, 50, 351.4. pickling, 50, 706/1. brazing, 50, 188/1. -plated steel tank car linings, 50, 85.4. corrosion by alkalino solns., 50, 436/1. polished, “ fogging,” 48, 121; protection corrosion-resistance to gases, 50, 436/1, by lanoline, 48, 123. creep, 50, 558.4. production, review, 50, 569.1. effect of sulphur on hot-working, 49, properties, ofTect of elevated temps., 50, 408. 541 A. forged surfaces, pneumatic fettling protection against scaling at high temps., hammer and frazing machine, 49, Alitieren process, 50, 234/1. 395. recrystallization temperature, 49, 291. forging press, 49, 400. refining, 50, 761.4 ; olectro-, 50, 251/1, * hot-working, modern works plant and 317.4. equipment, 49, 391 (Paper). resources, 50, 569/1. ingots, machining, 49, 395. rigidity, modulus, change duo to cold- magnetic properties at high temps., 50, working, 50, 216.4, 595/4. 854 Subject Index

Nickel alloys, Nickel-chromium alloys, pickling, 50, 706/1. manufacture, 50, 155.4. properties, offect of olovated temps., 50, melting by uso of hydrogen gns, 5 0 ,508.4. 54 U . properties, 50, 298/1, 475/1. protection against scaling at high temps., thermal expansion, 50, 155/1. Alitioron process, 50, -34.!. thermocouple wires, cure needod in rolled surfaces, pneumatic fottling working and annealing, 50, 94.4. hammer and frazing machine, 49, uses, 50, 298/1. 395. valve seatings, 50, 692.4. rolling mills, hot-, 49, 401. welding, 50, 54/1, 384.4. soldering, 50, 188/1. Nickel-chromium-iron alloys, uses, 50, 381/1 ; for intense docoration, bibliography, 50, 475/1. 50, 184/1 ; in automobiles, 50, 107/1 ; constitution, 50, 18/1. in marino engineering, 50, 380/1 ; corrosion, by milk, offocts of operating in wireless vulves, 50, 381.4. conditions in various parts of pasteur, welding, oxy-acotylone, 50, 188.4, 698.1. izing oquipmont, 50, 435/1 ; by soa- Nickel-aluminium alloys, water, 48, 109. casting, 50, 294/1, dilatometric study, 50, 13.4, 349.1. hardeners, propn., 50, 389.4. electrical resistors for high temp, service, properties, 50, 294/1. 50, 600.1. Nickel amalgams, 50, 350/1. for electrical heating elements, drawn Nickel-brasses (see also Alpaka, Platinoid, or rollod, A.S.T.M. tentative specifica­ &c.J, tions, 50, 107/1, 422/1. casting, 50, 125/1, 265/1, 709/1. manufacture, 50, 155/1. casting properties, 50, 772/1. properties, 50, 298/1, 475/1 ; effect of castings, thin-walled, 50, 330/1. temp., 50, 540/1, 541.1. corrosion by milk, 50, 302/1 ; by milk, report of A.S.T.M. cttoo., 50, 295.4, effects of operating conditions in 475.4. various parts of pasteurizing equip, thermal expansion, 50, 155.4. mont, 50, 435.4. uses, 50, 298/1. corrosion-resistance, 50, 83.1. Nickel-chromium-iron-carbon alloys, con­ effect of additions, 50, 15/1. stitution, 50, 77/1, 295.1. founding, 50, 709.1. Nickel-Clad steel plates, 50, 551/1. keys, manuf., 50, 690.4. Nickel-cobalt alloys, manufacture, methods, 50, 15.1 ; simpli­ deposition, 50, 176.4. fied mothod, 50, 15/1, 774/1. equilibrium, diagram, 50, 224.4. mechanical properties, 50, 15.4, 225.1. Nickel-cobalt-iron alloys (see also Perm - m elting, 50, 125/1, 265/1, 709.4. invar), physical properties, 50, 15/1, 538/1. mechanical properties at high temps., rigidity, temp, coeft., 50, 82.4, 158/1. 50, 18/1, 79/1. rod, production, 50, 327/1. Nickel-copper alloys, scrap, melting, 50, 195/1. casting, 50, 125.4. welding, 50, 501/1, 765.4. cathodic sputtering, 50, 354/1. wire, production, 50, 327/1. com plex, properties, 50, 541/1. Nickel-bronzes, condensers, surface-construction, 50, casting, 50, 709/1. 690.4. casting properties, 50, 772/1. containing tin and silicon, used for steam mechanical properties, 50, 350/1. valves, properties, 50, 541/1. properties, 50, 602.4 ; a t high tem ps., corrosion, by phosphoric acid, 50, 436.1 ; 50, 602/1. by sea-watcr, 48, 109. uses, 50, 350/1, 602.4. corrosion-fatigue, influenco of cliom. Nickel-carbon alloys, slirinkago on solidi­ compn. and hoat-troatmont on re­ fication, 50, 226/1. sistance to, 49, 38. Nickel carbonyl, effoct of addn. to mercury, corrosion-resistance to gases, 50, 436.1. 50, 350/1. creep, effect of recrystn. temp, and grain- Nickel-chromium alloys (see also Piero- sizo, 50, 432.4, 665/1. metal), diffusion coefficient, influenco of temp., bibliography, 50, 475A. 50, 291.4. constitution, 50, 18/1. effect of silicon, 50, G01.1. corrosion by milk, 50, 302.4. fatigue, 49, 107. corrosion-resistance to gases, 50, 436.4 ; fogging, 48, 122. to gases, effect o f addn. of aluminium, magnetic susceptibility, 50, 18.1. 50, 436.4. manufacture, 50, 537,4. electrical resistors for high temp, service, mechanical properties, reviow, 50, 537/1. 50, 606/1. melting, 50, 125.4. ferromagnetism, 50, 733.1. physical properties, review, 50, 537/1. fogging, freedom from, 48, 123, 138. physico-chemical properties, review, 50, for electrical heating elements, drawn 537.1. or rolled, A.S.T.M. tentative specifica­ properties, 50, 77-4, 183.4 ; at low tions, 50, 107/1, 322-4. temps., 50, 19.4. Subject Index 855

Nickel-copper alloys, Nickel steels. Soo Steels. thermal conductivity, 48, ¡¡7. Nickel-tin-aluminium alloys, aluminium- thermocouple wires, earo nooded in rich, constitution, 50, 347/1. working and annoaling, 50, 94.-1. Nickel-zinc-copper alloys. See N ickel- thermoelectric power, variation with brasses. temp., 50, 004.4. Nierai, uses, 50, 77A, 537.-1. compositions, 50, 471.4. Nickel-copper-iron alloys, properties, 50, 471.4. deposition, 50, 90.4, 682.4 ; from Niobium. Soe Columbium. cyanido soins., 50, 248/1. Nitralloy, use in glass machinery, 50, 693.4. Nickel-copper-silicon alloys, coppor-ricli, Nitri-Brite dip, 50, 247/1. constitution, 50, 349/1, Nitric acid, action on metals in presenco Nickel-copper-zinc alloys. Sco N ick el- of hydrazine, 50, 149.4. brasses. Nitrides, superconductivity, 50, 352/1. Nickel-gold alloys, Nitriding containers, uso of non-ferrous electrical conductivity, 50, 16.1. metals for, 50, 108-4. phase equilibrium conditions, equations, Nitrogen, absorption by motals, 50, 470.4. 50, 353/1. Noble metals, Nickel-iron alloys (soo also Permalloy, &c.), deposition, limiting c.d., 50, 99/1. ~ Y transformation, 50, 19A. Nomenclature, core loss current, measurement by moans importance, 50, 398/1. of a.c. potentiometor, 50, 605.4. report of A.S.T.M. cttee., 50, 398/1. corrosion by sea-wator, 48, 109. simplicity and uniformity, 50, 398.1. elastic limit, magneto-elastic phonomena Nomogram, book, 50, 781.4. in relation to, 50, 350/1. Non-ferrous alloys, properties at elevated fibre structures, prodn., 50, 76.1. temps., 50, 159/1, 737/1. hydrogen-overvoltage, 50, 252/1. Non-ferrous industry, improvement by hoat-treatmont, 50, manufactured articles, unfavourable 605/1. position, 50, 270/1. magnetizing current, measurement by use of cast iron, 50, 275.4. means of a.c. potentiometer, 50, 005.4. Non-ferrous metallurgy, recent advances, magneto-elastic phenomena in rolation 50, 202/1. to elastic limit, 50, 350/1. Non-ferrous metals and alloys, magnetostriction, 50, 150/1. books, 50, 137/1, 462.4 (review), 527/1. oxygen-overvoltage, 50, 252/1. work published in 1931, 50, 518.4. phase equilibrium conditions, equations, report of A.S.T.M. cttee., 50, 495/1. 50, 353/1. Nust, 50, 484/1. strain and magnetic orientation, 50, 004/4. use in meter and instrument design, 50, Obituary, 48, 343; 49, 411. 311/1. Occluded gases. Soo Gases. Nickel-iron-arsenic alloys, constitution, 50, Officers. See Council. 298/1. Oil cracking equipment, corrosion, 50,2 JÜ.4. Nickel-iron-manganese alloys as rheostat Oil-fired furnaces. See Furnaces. materials, 50, 227/1. Oil fuel, burning, handbook, 50, 280/1. Nickel-iron-sulphur alloys, constitution, Oil industry, requirements for metals at 50, 298.-1. high tomps., 50, 531/1. Nickel-iron-tungsten alloys, hot structural Oil pipe lines, corrosion, location and study , hardening, 50, 430/1. by surface elect, measurements, 50, Nickel-lead-cadmium alloys, 230.4. age-hardenable, 50, 290/1. Oils, lubricating, adherenco to metallic solid solubility of NiCd„ 50, 296/1. surfacos, 50, 277/1. Nickel-magnesium-carbon alloys, Optical constants of— age-hardening, 50, 351.4. Copper, variations, 50, 417.4. corrosion-resistance, 50, 351/1. Osmiridium, pamphlet, 50, 138-4. Nickel-manganese alloys, Osmium (seo also Platinum metals), equilibrium diagram, 50, 20/1, 430.4. specific heat, dependence on temp., 50, ferromagnetism and phaso configuration, 726.4. 50, 20/1, 430/1. Osram hard metal, properties and uses, Nickel mercury alloys, solubility of nickcl, 50, 119.4. 50, 298.-1. Overstrain, resistance to deformation dur­ Nickel oxygen system, phaso diagr., tenta­ ing, measurement, 50, 244/1. tive, 50, 511.4. Overvoltage, 50, 084.4. Nickel-palladium alloys, phaso equilibrium Overvoltage of— conditions, equations, 50, 353/1. A lloys, hydrogen-, 50, 490.4. Nickel-silicon alloys, precipitation harden, Cadmium, hydrogen-, 50, 452/1. ing, 50, 605/1. Nickel-iron alloys, 50, 252/1. “ Nickel-silver.” See Nickel-brasses. Oxidation, , . Nickel-silver-copper alloys, properties, 50, anodic. See Anodic oxidation. 470.-1, frictional, 50, 529/1, 856 Subject Index

Oxide films, intorforenco colours, intensifi­ Palladium-rhodium alloys, cation, 50, 357/1. hardness, 50, 80/1. Oxygen-overvoltage. Soo Overvoltage. solubility of hydrogen, 50, 80/1. Palladium-silver alloys, equilibrium diagram, 50, 476,1. Painting of— hydrogenized, photoelectric and thermo- Copper, 50, 439/1. oloctric cffocts, 50, 542,1. Galvanized iron, 50, 743.1. lattice constants, 50, 86/1, 553,1 ; of Zinc, 50, 743/1. solid soins., 50, 486/1. Paints, Palladium-silver-copper alloys, oquilib. aircraft, pamphlet, 50, 03/1. diagr., 50, 476,1. aluminium. Seo Alum inium . Paper mill equipment, advantages of as protective coatings for mngnosium chromium plating, 50, 183.4. alloys, 48, 158. Papers, scientific and technical, prepara­ developments, 50, 439.4. tion, book, 50, 208/1. for metal aircraft structures, investiga­ Parabernol, 50, 670/1. tion, 50, 484/1. Paramagnetic metals, magnetic suscepti­ heat-resisting, 50, 643/1. bility, effect of plastic deformation, Nust, 50, 484.-1. 50, 660-4. pipe coatings, method for recording Paramagnetism in solid solutions, 50, effectiveness, 50, 86/1. 665/1. progress in 1931, 50, 301/1. Parkerizing, 50, 84/1, 85.4. protection of aircraft materials, 50, 236.1, Passivity, 481.4. cathodic, 50, 668,1. protective, tests, 50, 612/1. factors influencing, 50, 83/1. radiation capacities, 50, 319/1, 496/1. Faraday’s views in light of recent re­ relation between corrosion and, 50, 236/1. search, 50, 83.4. Palladium (seo also Platinum metals), theory, 50, 037,1. adsorption of carbon monoxide, 50, 3.1. Passivity of— atomic heat, 50, 69A. Chromium, 50, 495/1, 782.4. deposition, 50, 98-4. Nickel, 50, 637/1. electrical resistance, change under hydro­ Patent law, for chemists, book, 50, 283/1 ; static pressure, 50, 422.4. principles, for chemical and metal­ hardness, 50, 3A. lurgical industries, book, 50,133/1. lattice parameters, 50, 362/1. Patina, grcon, artificial prodn, on coppor, leaf, 50, 381.1. 49, 153. photoelectric properties, 50, 212.-1. Pattern-making, 50, 775/1. specific heat, 50, 69/1 ; dependence on Patterns, temp., 50, 726.il. metal, electrolytic procoss for manuf., thermal expansion, 50, 69.-1. 50, 712/1. thermionic properties, 50, 212/1. wood, American specifications, 50, Palladium alloys, dental, tensile properties, 127 A. 50, 476.4. Peltier effect demonstration, simplo appar­ Palladium arsenide, prepn., 50, 20/1. atus, 50, 41/1. Palladium black, heat of absorption of Perfusion, 50, 744/1. hydrogen at 0° C., 50, 68/1. mechanism, 50, 307/1. Palladium-copper alloys, theory, 50, 478/1. equilibrium diagram, 50, 476/1. Periodicals, phase equilibrium conditions, equations, directory, 50, 784/1. 50, 353.4. subject index, 50, 458/1. Palladium-gold alloys, Permalloy, atomic susceptibility curves, doviation air-cooled, high pormeability, 50, 733,1. from theoretical curves, 50, 37.-1. for d.c. and a.c. circuits, 50, 298/1. equilibrium diagram, 50, 476.4. magnetic permeability, 50, 298.-1 ; high, hydrogenized, photoelectric and thermo­ cause, 50, 227/1. electric effects, 50, 542,1. magnetic properties, effect of internal lattice constants, 50, 86/1, 553/1 ; of strains, longitudinal stretching, and solid soins., 50, 486.-1. hydraulic pressure, 50, 475/1. phase equilibrium conditions, equations, magnetization, virginal and remanent, 50, 353.4. relation, 50, 350,1. Palladium-hydrogen system, prcssurc-com- rotation by magnetization, 50, 19.4. position isotherm at 0° C., 50, 20/1. use in meter and instrument dosign, Palladium-nickel alloys, phase equilibrium 50, 311/1. conditions, equations, 50, 353/1. Permanent mould casting, 50, 711,1. Palladium-platinum alloys, machines and processes, 50, 331/1. atomic susceptibility curves, doviation Permanent mould casting of— from theoretical curves, 50, 37/1. Aluminium alloys, 50, 771.4. constitution, 50, 80.-1. Bronze, 50, 123,1, 712/1. hardness, effect of hcat-treatmcnt, 50, Permanent moulds, 80,1. advantages, 50, 267.4. solubility of hydrogen, 50, 80/1. material for, 50, 712.A. Subject Index 857

Permihvar, Photoelectric properties of— magnetic properties, 50, 18/1. Palladium, 50, 212.1. magnetization, virginal and romanont, Potassium, 50, 213.-1. relation, 50, 350/1. Silver, 50, 213.4, 219/1. Permite Resalum, 50, 089/1. Tantalum, 50, 213/1, 21 9/. Petrol, Thallium films, 50, 454/1. corrosion by, 50, 303/1. Tungsten, 50, 214/1. corrosion of copper, 50, 544/1. Photoelectric sensitivity curves of clean Pewter, manufacture, 50, 22/1, 432/1. metals at various temps., analysis, 50, Phase rule, 219/1. book, 50, 281/1. Photoelectric theory, Fowlor’s, additional De Donder’s formulation, remarks on, experimental verification, 50, 422/1. 50, 178/1. Photomicrographs, magnification, method Phosphor-bronze, of illustration, 50, 362/1. bearings, friction and abrasion, 50, 253/1. Photomicrography (sco also Metallography), Castings for goar blanks, British standard books, 50, 00/1, 01/1. specifications, 50, 51/1. equipment. See Laboratory apparatus. centrifugally-cast, properties, 50, 126/1. low-power, 50, 744/1. corrosion by bleaching liquors in toxtilo optical hints, 50, 486/1. industry, 50, 435/1. Physical properties. Soo ' under spocific creep, 50, 477/1. properties. effect of lead, 50, 101/1. Physics, properties, 50, 101/1, G03/1 ; at high application to metallurgy, 50, 202/1. temps., 50, 477/1 ; effect of increasing applied, somo aspects of research, 50, tin content, 50, 003/1. 280/1. rigidity, temp, cooff., 50, 82/1, 158/1. constants, tables, 50, 404/1. sheet, manuf., 50, 120/1. handbook, 50, 656/1 [review), 717/1. strip, manuf., 50, 120/1. recent advances, book, 50, 406/1. tensile properties at high temps., 50, theory, book, 50, 135.1. 477/1. Pickling, nse in elect, industry, 50, 703/1. chemical reactions, 50, 706/1. wire-cloth, 50, 455/1. electrolytic, 50, 328.4. worm-wheels, 50, 100/1, 090/1. for galvanizing, improved method, 50, Phosphoric acid, corrosion by. Sco 612*4. Corrosion. machines, continuous rotary, 50, 706.4. Phosphorus, modern methods, 50, 120/1. affinity for gold and silver, 50, 10.4. plant, housing, &c., 50, 483/1. estimation in bronzes, rapid, 50, 554.1. prior to deposition, 50, 99/1. Phosphorus-copper alloys, with high phos­ solutions, temp., 50, 706.4. phorus, properties, 50, 002/1. tanks, hard and soft rubber for, 50, Phosphorus-silver-copper alloys, constitu­ 121.4 ; size and capacities, 50, 483.4. tion, 50, 734/1. Pickling of— __ , Photo-elasticity, 50, 753.1. Monel metal, 50, 19/1, <68.4. book, 50, 400/1 {review). Nickel, 50, 70G/1. Photoelectric effect, Nickel alloys, 50, 706.4. new, 50, 508/1. Silver-copper-nickel-zinc alloys, oO, selective, 50, 220/1. 000.4. temperature dependence, 50, 219/1. Pipes, theory, 50, 219/1, 220/1. coatings, tests, 50, 86.4. vectorial, 50, 214/1. paint coatings, methods for recording Photoelectric effect in— effectiveness, 50, 80/1. Alkali metal thin films on silver, 50,214.-1. steam, high-temperature, metallurgical Films, thin, voctorial, 50, 214/1. requirements, 50, 631/4. Photoelectric efficiencies in oxtrcmo ultra­ water, German practico, 50, 106.1; pro­ violet, 50 221/1. tective coatings, 50, 301/1. Photoelectric emission, Pistons, diatlierm, 50, 104/1. . Fowler’s theory, experimental test, 50, Plastic deformation (see also Deformation), 219/1. by tools, resistance to, 50, 58/1. from oxide cathodes, effect of olect. during rolling. See Rolling. fields, 50, 220/1. effect on magnetic susceptibility o fd ia - and para-magnetic metals, 50, ooO.l. Photoelectric properties of— Aluminium films, 50, 454/1. mathematical considerations, 50, 150/1. Beryllium films, 50, 454/1. mechanics, 50, 56A, o7A , 58*4, 189*1. Cobalt, 50, 2 10 / 1 . mechanism, 48, 324. Contacts betwoon metal and semi- processes, problems, 50, conductor, 50, 293/1. rates of change of shape during, and their relative magnitudes, 50, 50J/I. Gold, 50, 213/1, 219A ; thin unbacked films, 50, 147.-1. resistance to, during overstrain, measure­ Magnesium films, 50, 454A. ment, 50, 244.4. Mercury films, 50, 212/4. stress distribution, 50, 02oA. 858 Subject Index

Plastic deformation, Platinum, surface changes, 50, 625/1, magnetic susceptibility, offcct of cold- thermal effects, 50, 468.4, 658.1. work, 50, 76/1. Plastic deformation of— marketing, 50, 148.4. Magnesium single crystals, 50, 2.4, 530.1. markets and prices, pamphlet, 50, 138.4. Metals, 48, 317 (May Lecture); 50, 215.4. melting in vacuum, 50, 197/1. Plastic flow, metallurgy, 50, 138/1, 148.4. studies, causo of unsatisfactory results, mineral resources of U.S.A., pamphlot, 50, 408.4. 50, 403.4. theories, physical concepts, 50, 421A. minerals, pamphlot, 50, 138/1. Plastic flow of ductile metals, 48, 47. native, eompn., 50, 466.1. Plastic state, conditions for occurrenco, 48, occurrence, 50, 148/1. 318. physical properties, 50, 148/1. Plastic strain, price, 50, 148/1. brittleness after, 50, 291.4. production, 50, 138/1, 148.4; statistics, x-ray analysis, 50, 446.4. 50, 381/1. Plasticity, properties, 50, 20/1, 138/1. book, 50, 284/1 (review). purification, 50, 148/1. “ crackless,” 50, 7.1. recrystallization, 50, 486/1. effect of cold-stretching at olovatod refining, pamphlet, 50, 138/1. t o m p s ., 50, 150/1, 531.1. residues, 50, 648.4. mechanism, 50, 597.1. single crystals, sclerometric hardness, recent researches, 50, 216.4, 342.4. decreaso duo to adsorption of activo theopr, 50, 531^4. substances at surfaco of contact, 50, Plasticity of— 5/1. Crystals, dopondonco on temp., 50, 531.1. specific heat, dopondonco on tomp., 50, Notched specimens, 50, 174/1. 726.4. Plastometry, parallol plat«, 50, 678.4. stamping laws, pamphlot, 50, 138/1. Plating. Seo Deposition. substitutes, pamphlot, 50, 138.4. Platinoid, thermal conductivity at high thermoelectric force down to vory low temps., 50, 4.4. tomps., 50, 422.4. Platinum (soo also Platinum metals), thermoelements. Seo Thermocouples. action of iodine, 50, 68.4. touchstone testing. 50, 553/1, 673/1. action of oxides at high tomps., 50, 68.1. uses, 50, 20.4, 138.4, 148/1, in dentistry, assaying, pamphlot, 50, 138.1. 50, 184/1 ; in electro-chem. industry, book, 50, 410/1 (review). 50, 100/1. casting in vacuum, 50, 197/1. wires, cold-workod, fibrous structure, 50, • catalysts, part played in development of 147/1; tenacity, piozo-oloctric dotn., synthotic nitrato industry, 50, 108.4. 50, 446A. chemical properties, 50, 148/1. Platinum alloys, contact-resistance, 50, 344/1. analysis, spoetroscopic, 50, 167/1. corrosion-resistance to gases, 50, 436/1. dental, tonsilo properties, 50, 470.4. crystals, mosaic, 50, 671.4. use in dontistry, 50, 184.4. deposition, 50, 98/1, 632/1. Platinum arsenide, prepn., 50, 20.4. diffraction patterns, 50, 747.4. Platinum black, electrical resistance, chango under hydro­ adsorption of hydrogen, 50, 69.1. static prcssuro, 50, 422/1; for temps, precipitation, 50, 69.4. below 90° K ., 50, 720/1 ; of thin films, Platinum-chromium alloys, forromagnotic, variation with temp., effect of nature 50, 542/1. of support, 50, 213.4. Platinum-copper alloys, equilib. diagr., 50, electrodes, action of sulphuric acid, 50, 476/1. 100/1 ; corroded, 50, 100/1. Platinum-gold alloys, electrolytic transfer in hydrochloric acid age-hardening by small addns. of iron, soln., 50, 68.4. 50, 77/1. estimation, potontiomotric, with cuprous atomic susceptibility curves, deviation chloride soln., 50, 620/1. from theoretical curves, 50, 37.4. evaporation from tungsten filament in constitution, 50, 86/1. vacuum, 50, 420/1. crystal structure, 50, 86.1, 553.4. filaments, coatod with barium oxido, equilibrium diagram, 50, 476.4. reactions at surface, 50, 341/1; re­ lattice constants of solid solns., 50, 486.4. actions at surface, 50, 340/1. Platinum-iridium alloys, films, crystalline structure, 50, 237/1 ; constitution, 50, 299.1. olect. properties, 50, 343/1. ferromagnetic, 50, 542.4. flow-pressure, at low tomps., 50, 291/1. filaments, reactions at surface, 50, 340.4. freezing point, 50, 68.4. lattice constants of solid solns., 50, 486/1. history, 50, 138/1, 148.4. properties, 50, 20.4, 351.4. industry, organization, pamphlets, 50, substitutes, 50, 351/1. 138/1. uses, 50, 20/1. leaf, 50, 381/1. wires, for uso in Eotvos torsion balance, magnetic properties, 50, 213.4. effect of heat-treatment, 50, 342/1. Subject Index 859

Platinum-iron alloys, Polishing, electrical resistance, 50, 299-1. fundamentals, 50, 769.-1. hardness, 50, 299.-1. metallographic, to retain graphito and microstructure, 50, 299.1. inclusions, 50, 671,1. Platinum metals (soo also undor names of suggestions, 50, 505,1. platinum motals), time required, 50, 505.4. absorption oi hydrogen, ndhoronco and Polishing of— naturo of gas absorbed, 50, .'»30.-1. Aluminium, 50, 578/1. analysis, spectroscopic, 50, 107.4. Brass, castings of awkward shape, 50, in dental alloys, 50, 470.-1. 579.-1; pastos, 50, 579,1. mineral resources of U.S.A., pamphlet, Bronze, pastos, 50, 579.-1. 50, 403.4. Castings, 50, 263/1. output of Mond Nickol Co., 50, 277.1. Copper, pastes, 50, 579.4. production, statistics, 50, 381,1. Metallographic specimens. Soo M etal­ refining, book, 50, 527,1. lography. thermocouple wires, offect of impurities, Polishing wheels, 50 94.4. data, 50, 505.1. touchstone testing, 50, 553,1, 073.4. flexible, use, 50, 121.4. volatilization, data summarized, 50, heading up, 50, 579/1. 533.4. Pouring. Seo Casting. Platinum-palladium alloys, Porcelain, deposition of motals on, 50, atomic susceptibility curves, deviation «34.4. from theoretical curves, 50, 37,1. Poro bronze, 50, 110,1. constitution, 50, 80,1. Positive ions, omission from motals, 50, hardness, effect of hoat-troatmont, 50, 219.4, 726.4. 80.4. Potassium (seo also Alkali metals), solubility of hydrogen, 50, 80/1. electrical resistance, chango undor Platinum-palladium-gold alloys as substi­ hydrostatic pressure, 50, 422.4. tutes for platinum-iridium alloys, 50, estimation, by porrhenium acid, 50, 351.1. 310.1; gravimetric, togother with Platinum-palladium-iridium alloys as sub­ sodium and magnesium, 50, 169.4; stitutes for platinum-iridium alloys, in prescnco of sodium porchlorat«- 50, 351,1. chloroplatinate mothod, 50, 554,1 ; Platinum-rhodium alloys, lattico constants rapid, 50, 169,1; (small amts.), 50, of solid soins., 50, 486.-1. 169,1; vol., 50, 241/1. Platinum-silver alloys, oquilib. diagr., 50, photoelectric properties of surfaco ex- 476.1. posed to action of atomic hydrogen, Platinum-tin alloys, specific heat, 50,478.-1. 50, 213/1. Platnam, use for valvo soatings for uso reaction products on graphite, structure, with superhoatcd stoam, 50, 108.4. 50, 616/1. Plumbing, review, 50, 590.-1, 719,1. American recommended requirements, Potassium amalgams, suppt. to, 50, 139.-1. electrolysis, 50, 80.4. chemical, book, 50, 589,1, 651.4. liquid, eloct. conductivity, 50, lAoA. Plumbism. Seo Lead, poisoniitg. Potassium-bismuth alloys, K B i„ lattice structure, 50, 363.-1. P.M.G. alloy, Potentials, electrode. Soo Electrode elongation, 50, 295.4. hardener, 50, 428.4. potentials. Potentiometers. Seo Laboratory apparatus. hardness, Brinell, 50, 295.-1. Izod impact strength, 50, 295A. Powdered metals, mechanical properties, 50, 295,4 ; com. electrical resistance undor prossuro, 50, pared to gun-motnl, 50, 295,4. 5/1. properties, 50, 112/1, 377/1. possibilities, 50, 109.4. preparation of solid pieces by pressing, specific gravity, 50, 295/1. tensile strength, 50, 295.4. & c„ 50, 518.4. use in axial flow pumps, 50, 377.4. pressed, conductivity, 50, Power plant equipment, t r e n d s m engineer. welding, 50, 112,1. ing requirements for metals, 50, .>¿1-1. yield-point, 50, 295,1. Poland, scionco and letters in, book, 50, Praseodymium mercuride, 50, 540/1. Precious metal alloys in dentistry, survey, 458.4. 50, 81.1. , , Polarized light, Precious metals (see also undor names of application to engineering, 50, 368/1. metallurgical microscopy by means of, procious motals), drosses, fluxes, 50, 266.4, 331.4. 50, 749.4. Forschungsinstitut für Edelmetalle, Polish on metals, 50, 421.4. Schwäbische-Gmünd, 50, 64í/l. Polished metals, electronic diffraction, 50, recovery from electrolytic copper rofin- 421.1. ing. 50, 372.4, 684/1. Polishing (soo also Buffing), thermocouples. Soo TternwcoupUs. books, 50, 333.4, 654.4 (review), 715.4, touchstone testing, 50, 5o3/l, 673,1. by flexible wheels, 50, 121.4. 860 Subject Index

Precipitation hardening. Soo Age-harden­ Pyrometers, ing. total radiation, construction, 50, 44/1. President, use, 50, 628/1. address, 48, 27. Pyrometry, induction, 48, 19. errors, sorious, 50, 561/1. Presses, flame, 50, HA. dies, design, 50, 767/1. high-temp era ture scale, mtercomparison, power requirements, 50, 5 6 /. 50, 44A. Pressing, optical, appn. to measurement of power- and hand-, 50, 574/1. luminous flamo radiation and temp., protection of workers, report, 50, 6 0 /. 50, 628/1. round blank formulee, 50, B7BA. Pyrophoric alloys, pamphlet, 50, 137.4. small quantity production methods, 50, 260/1. Pressing of— Qualitative analysis. Seo A nalysis. Aluminium and its alloys, 50, 574/1. Quantitative analysis. Soo Analysis. Brass, hot-, 50, 260/1. Quenching. Soo Hcat-trcatmcnt. Conical cups, graphical dotn. of blank Quicksilver. Seo M ercury. size, 50, 504/1. Duralumin artificial limbs, 50, 117/1. Pressure, high, physics, book, 50, 143/1 Radioactivity, moasuromont by torsion (review). balance, 50, 41/1. Pressure die-casting. See Die-casting. Radiology, 50, 4 3 /, 93/1, 174/1, 246/1, Prices, motal, for yoars 1900-1930, book, 312/1, 369/1, 447/1, 491.4, 560.4, 50, 132.4. 627/1, 680/1, 755/1. Progas aluminium tubes, 50, 685/1. advances, 50, 448/1. Propellers, apparatus, 50, 369/4, 5 6 0 /. marine, corrosion, 49, 130; 50, 160/1. determination of internal stresses, 50, micro-, uso for high-tomp. m.p. in­ 43 A. vestigations, pamphlet, 50, 716/1. Y-ray, 50, 4 4 7 /. moulding, 50, 391/1, 508/1. in aluminium industry, 50, 627/1. Protection of metals, 50, 29/1, 84.4, 162/1, in foundry, 50, 448/, 492/. 234A, 304.4, 359.1, 438/1, 481/1, industrial applications, 50, 4 3 /. 548/1, 611/1, 669/1, 742/1. penumbral shadows, 50, 627/1. by metallic films, 50, 85A , 304/1. specimens, heating device, 50, 2 4 6 /. new methods, 50, 84.4. technique, simplification, for large-scale Protective films, book, 50, 590/1 (reviewj. investigations, 50, 447/. Pumps, corrosion-resistant, 50, 83/1. with y-rays, 50, 9 3 /, 755/1, 756/1. Punching, power requirements, 50, 56/1. x-ray tubes, 400 kv., 50, 9 3 /. Pyrometers (seo also Thermocouples), Radiology of— Ardometer, 50, 492/1, 757.1. Castings, 48, 290, 293, 295; 50. 2 4 6 /, disappearing filament, construction, 50, 680.1, 755/1. 44/1. Welds, 50, 43A, 93/1, 491A, 5 6 0 /; errors, serious, 50, 561/1. by means of y-rays, 50, 93/1, 4 4 7 /, for silicon carbide furnaces, 50, 628/1, 750/1. 757A. Radiometal, micro-, 50, 370/1 ; uso for high-tomp. core loss current, measurement by means molting point investigations, 50, 756A. of a.c. potentiomoter, 50, 605/1. new, at Koltchugin works (U.S.S.R.), magnetizing current, measurement by 50, 562.4. means of a.c. potentiometer, 50, 6 0 5 /, optical, 50, 757/1. Radiometallography, equipment of now Optix, 50, 94/1, 492/1, 757/1. laboratory, 50, 39/1. potentiometer, Brown, 50, 44/1; Jlicro- Radium, relation to uranium, 50, 70/1. max, 50, 175.4 ; now, 50, 246/1. Railway officials, diroctory, 50, 459/1. principles, 50, 44/1, 492.1. Ramet, 50, 1 1 9 /, 387.4, 576/1. Pyro, 50, 492/1, 757/1. manufacture, 50, 261/1. Pyrophot, 50, 492/1. properties, 50, 2 6 1 /. Pyropto, 50, 757/1. Rare earth metals. Seo under names of Pyroversum, 50, 492/1. raro metals. Pyrradio, 50, 492.4, 757A. Rare metals (seo also under names of rare radiation, crossed filament, 50, 175/1; metals), pocket, 50, 313.1. developments, 50, 518.4. recorder controller, free vano air- pamphlet, 50, 6 4 9 /. operated, 50, 44/1. preparation and uses, 50, 290.4. recording, errors caused by humidity, properties for high temp, service, 50, 50, 492/1. 5 3 3 /. thermoelectric, Cambridge, 50, 44/1; Recrystallization, construction, 50, 44/1; galvanometers mechanism, present knowledge, 50, 33/1. for, prodn., 50, 757A. phenomena, prevention by short pre­ Thwing, 50, 681/1. liminary annealing, 50, 1 8 9 /. Subject Index 861

Recrystallization of—• Refractory materials— Aluminium single crystals, 50, 6144. for casting furnaces, 50, 2734. Platinum, 50, 4864. for coreless induction furnaces, 50, 6454. Silver, 50, 4864. for electric furnaces, 50, 1984, 1994, Solid solutions, 50, 6154. 5854. Tin alloys solid solutions, 50, 6154. for high-temperatures, 50, 1994, 3964, Recrystallization power, restoration by 5854, 586/1; pamphlet, 50, 624. bonding back deformed specimens, former for elect, heating olomonts, 50, 50, 5314. 514/1. Refining, French, 50, 3964. at Norddeutsche Afflnerie, 50, 6354. gas-permeability, 50, 275/1, 6474. electrolytic, 50, 3174. heat conductivity, 50, 274/1. Refining of— heat transfer, 50, 39 54; pamphlet, 50, Aluminium, olectro-, 50, 4514. 634. Bismuth, review of methods, 50, 5194. heat-transmission, A.S.T.M. tentative Copper, blister, removal of antimony, definitions of terms relating to, 50, 50, 2044 ; by sories system, 50, 2014, 3954. 6354 ; developments, 50, 5194 ; high-temperature, 50, 5144. electro-, 50, 3174, 4944 ; oloctro-, de­ improvement, 50, 3964. velopment at Norddeutsche Affinerie, infra-red radiation, 50, 6464. Hamburg, 50, 4524, 6844 ; forma­ life, factors determining, 50, 5164. tion of anode slimos, 50, 2514 ; load test, 50, 5154. (native)' in roverberatory furnace, melting point, 50, 756/1. élimination of arsonic, 50, 4004 ; metallurgical, 50, 644/1; book, 50, 7194; rocovery of precious metals, 50, properties, 50, 5844; properties and 3724 , 6844 ; removal of selenium tests, 50, 5144. and tellurium, 50, 6364 ; with mortars, 50, 5854. complex salts of cuprous chloride, permanent volume change, testing, ten­ behaviour of antimony, 50, 2504. tative revisions of A.S.T.M. standard Gold, book, 50, 4574 ; electro-, 50, motliod, 50, 3974. 494 ; electro-, in Japan, 50, 494. porosity, testing, tentative rovisions of Lead, developments, 50, 5204 ; electro-, A.S.T.M. standard method, 50, 3974. 50, 3174 ; failures o f cast-iron kettles, properties, 50, 6454. 50, 401/1 ; Harris process, theory and protection from soot, 50, 3964. practice, 50, 5204 ; new refinery and rates of flow of water and air through, its operation at Bunker Hill smelter, comparison, 50, 2754. 50, 521/1 ; residuos, &c., 50, 2044. recent advances, 50, 3954. Nickel, 50, 7 6 1 4 ; electro-, 50, 2514, repairs, 50, 7784. 3174. report of A.S.T.M. cttee., 50, 395-4, Platinum metals, book, 50, 527/1. 5134. SUver, book, 50, 4574. research, 50, 5174 ; value, 50, 5174. Tin, electrolytic, 50, 3184. sieve analysis, pamphlet, 50, 2814. Zinc, olectro-, 50, 3174. slagging, 50, 2744. special, recent progress, 50, 395/1. REFRACTORY MATERIALS— specific gravity, detn., 50, 5164. action of carbon monoxide, 50, 2754. tensile tests at high temps., 50, 2014. advances, 50, 6464 ; in England in 1931, terms relating to, A.S.T.M. tentative 50, 5854 ; in U.S.A. in 1931,50, 5134. rovisions of standards, 50, 2014, American, characteristics, 50, 7784. 3954. , , analysis, 50, 2004 , 3984 , 5164, 5874. testing, 50, 3954, 3964, 5094 ; methods, book, 50, 136/1, 2074, 4034. 50, 2004 ; simple method, 50, 586/1. British Refractories Research Associa­ thermal conductivity, 50, 6474 . tion, 50, 6464. thermal expansion, roversiblo, 50, o4ba . cements, 50, 2734, 3974, 398/1 ; book, total radiation, 50, 6464. 50, 206/1 ; contraction, 50, 1994, trade names, 50, 273/1, 5854. 646/1 ; properties, 50, 5154 ; types, work published in 1931, 50, 6464. uses and testing, 50, 6454. a-Alumina, thermal expansion, 50, changes during heating and cooling, 50, 3954. 2014. deformation under heavy load at high Aluminium silicate, prepn., properties temps., testing, 50, 5154. and uses, 50, 3974. Carborundum, use for meltmg standard electrical resistance at olovated temps., 50, 396.4. gold alloy in elect, furnace, 50, 1994. , , ™ -t-to I estimation of magnesia and alumina, Chamotte, 50, 274.1; standard, 50, 778 4. vol., 50, 398/1. Chromite, thormal expansion, 50, ¿uy*. estimation of silica and alumina, 50, 3984. Clays, detn. of free alumina, 50, 516-4.. Crolite No. 7, 50, 3974. examination, 50, 6464. Diaspore, prepn., properties and uses, facings, 50, 2734. for air-heating furnaces, 50, 6454. 50, 3974. 862 Subject Index

Refractory materials— Resistance limits, Tammann’s, 50, 355/1, Dinas bricks, influenco of carbon on G07/1, 741A. transformation of silica, 50, 274/1. Rhenium, Dolomite, cliem. and phys. properties, books, 50, 411/1 (review), 588/1. 50, 397*4. chemistry, 50, 290/1. Firebrick, insulating, 50, 273/1; slagging occurrence, 50, 290,4. and fluxing, 50, 516/1. pamphlet on properties, prodn., &c., 50, Fireclay brick, resistance to thermal 138/1. spalling action, A.S.T.M. tentative preparation, 50, 289.4, 290/1. method of control tost, 50, 201A , 397-4 ; properties, 50, 289*4, 290/1. softening point, testing, tentativo re­ review of knowledge, 50, 341.1. visions of A.S.T.M. standard method, Rhenium sulphides, 50, 20/1. 50, 397/1 ; specifications, 50, 395-1. Rhodium (seo also Platinum metals), Graphite crucibles, manuf., 50, 273*4 ; atomic heat, 50, 69/1. crucibles, treatment, 50, 331/1; use crucibles, 50, 622/1. in metallurgical industry, 50, 514.4. deposition, 50, 98/1; using Wilco solns., Kaolin, prepn., properties and uses, 50, 50, 178/1. 397.4. estimation, 50, 310/1; gravimetric, 50, Magnesite, cliem. and phys. properties, 749*1. 50, 3974 ; progross, 50, 199.4 ; tonsile lattice parameters, 50, 362/1. tests at high temps., 50, 200/1 ; ther­ separation, from iridium, 50, 749/1; mal expansion, 50, 201.4. ; uso in from platinum and otlior metals, copper refining furnaces, 50, 199*4. 50, 310/1. Magnesite bricks, unburned, for metal­ specific heat, 50, 69/1; dependence on lurgical industry, 50, 397/4 ; uses, 50, temp., 50, 726/1. 379/1. thermal expansion, 50, 69/1. Magnesium oxide, crucibles impervious wire-wound furnaces, 50, 622/1. to air, 50, 513/1. Rhodium arsenide, prepn., 50, 20/1. Mullite, prepn., properties and uses, Rhodium-palladium alloys, 50, 3 9 7 4 ; thermal expansion, 50, hardness, 50, 80/1. 201*4. solubility of hydrogen, 50, 80/1. Oxides, tech. progress, 50, 584.4 ; thor- Rhodium-platinum alloys, lattice constants mal expansion, 50, 200/1. of solid solns., 50, 486/1. Plibrico, 50, 778/1. Rhometal, Sands, clay-bearing, properties, 50, core loss current, measurement by means 274/1. of a.c. potentiometer, 50, 605.1. Silica brick, properties, 50, 5864. magnetizing current, measurement by Silicon carbide, appns. in metallurgy, moans of a.c. potentiometer, 50, 605/1. 50, 3974. Rigidity modulus, chango causod by cold- Sillimanite, 50, 586/1; possibilities, 50, working, 50, 216/1. 200/1, 273/1; prepn., properties and Rigidity of— uses, 50, 3974. Aircraft instrument diaphragm and Sterchamol bricks, 50, 7784. spring materials, 50, 82/1, 158/1. Talc, 50, 274/1. Aluminium, tomp. coeff., 50, 82/1. Zircon, thermal expansion, 50, 201/1. Brass, temp, coeff., 50, 82/1. Zircon bricks, 50, 199/1. Copper, 50, 339/1. Zirconia, fused, thermal expansion, 50, Duralumin, temp, coeff., 50, 82/1. 201/ 1. Monel metal, temp, coeff., 50, 82/1. Nickel-brass, temp, coeff., 50, 82.1. Remelting. See under names of metals Phosphor-bronze, temp, coeff., 50, 82/1. and alloys. Silver, temp, cooff., 50, 82/1. Research, Risers. See Casting. and Government economy, 50, 402/1. Riveting, countersunk, 50, 383/1. Associations, industrial, difficulties, 50, Riveting of— 401*4. Aircraft parts, 50, 765/1. correlation, report of A.S.T.M. cttoe., Lautal, 50, 6954 ; sheet coated with 50, 402/1. veneer, 50, 5714. in applied physics, 50, 280/1. Rivets, in industry, pamphlet, 50, 283/1. choice, for light metal structures, 50, in theory and practice, 50, 402/1. 571/1. non-ferrous, value, 50, 275/1. Duralumin, investigation on, 50, 570/1. spirit of, book, 50, 283/1, 406.4. hollow, closing, 50, 695.4. state and industrial, 50, 402/1. Robertson-Bonded-Metal, 50, 613/1. value to industry, pamphlet, 50, Rods, 283/1. cross-section, dotn. from diam. measure­ Resistal, corrosion by iodine, 50, 303*4. ments, 50, 278/1. Resistal No. 7, compn., 50, 185/1. elastic modulus, dotn. by moans of Resistance, bonding vibrations, 50, 174/1, 447/1. electrical. See Electrical resistance. tensile properties at low temps., 50, magnetic. See Magnetic resistance. 431 A. Subject Index 863

Roll of Institute, 48, 2 . Rolling texture of— Rolling, Copper, relation to deep drawing pro­ book, 50, 634. perties and hardness, 50, 694. broadening during, explanation by aid Magnesium, 50, 3634. of hypothesis of stress surfaces, 50, Silver, relation to deep drawing pro­ 189.4. perties and hardness, 50, 694. cold-. See Cold-rolling. Silver-copper alloys, relation to deep flow surfaces, arrangement, 48, 322. drawing properties and hardnoss, 50, power and energy demands, 48, 337. 694. rates of change of shape, 50, 502/i. Zinc, 50, 3634. stresses in zone between rolls, 48, 341. Rolls, work done, 50, 3864. breakage, causes, 50, 1904; pamphlet, Rolling mills, 50, 594. advances, recent, 50, 1174. chilled, investigation, 50, 2594. bearings, 50, 5734. chromium-plating, 50, 5634. coiler, 49, 405. dressing, by hand -grinding, 50, 3274. drive, motors, 50, 7674. plate bending, calculation of diam., 50, electric drives, 50, 3284. 1904. experimental, 50, 7014. preheating, electric induction, 50, 3274. for light alloys, erected by Aluminium sheet mill, pre-heating, elect, methods, Industrie A.G., 50, 3274. 50, 3274. hot-, for aluminium sheet, 50, 1174. Röntgen analysis. See Crystal structure. lubrication, 49, 402. Rose’s alloy, dilatation, 50, 4234. main rolls, mounting and adjustment, R.R. alloys. Seo Aluminium alloys. improvements, 49, 403. Rubber, protective coatings on metals, 50, modernizing, electrically, 50, 3284. 3614 ; spraying, 50, 3614. non-ferrous, developments, 50, 2594. Rubidium (see also Alkali metals), practice, modern, 49, 392. atomic weight, 50, 664. rolls, changing, 49, 404. bibliography, pamphlet, 50, 137/1. shears, 49, 405. electrical resistance, change under hydro­ Steckel, 50, 1894. static prossure, 50, 4224. 3-high Lauth sheet, 49, 406. history, pamphlet, 50, 1374. 3-high universal, 49, 402. isotopic constitution, 50, 664. wire, experiences in planning, 50, 5034. markets and prices, pamphlet, 50, 1374. Rolling of— producers and dealers, pamphlet, 50, Aluminium, adjustment of rolls b y hand 1374. polishing, 50, 1904 ; dressing of rolls production, pamphlet, 50, 137/1. by hand grinding, 50, 3274 ; effect reaction products on graphite structure, on Erichsen value and hardnoss, 50, 50, 6164. 694; hot-, metal lubrication and separation, by isoamyl alcohol, 50, 3094. roll cooling, 50, 1904, 3274 ; plan­ uses, 50, 4554 ; pamphlet, 50, 137*4. ning mill practice, 50, 19 04; sheet, Russ furnace. See iFurnaces, electric. finish-, 50, 7014. Russia. See Union of Soviet Socialist Aluminium alloys, 50, 1024, 4964; Republics. hot-, metal lubrication and roll Ruthenium (seo also Platinum metals), cooling, 50, 1904, 3274. atomic heat, 50, 694. Constantan, 50, 4734. electrical conductivity, 50, 4194. Copper, effect of Erichsen value and estimation, colorimetric, 50, 5544. hardness, 50, 694. specific heat, 50, 6 9 4 ; between 0° and Elektron, 50, 1554, 5074. 1604° C., 50, 4184; dependence on Magnesium alloys, 50, 4964. temp., 50, 7264. Nickel and its alloys, hot-, modern Ruthenium arsenide, prepn., 50, 204. plant and equipment, 49, 391. Ruthenium carbide, electrical conductivity, Non-ferrous metals and alloys, book, 50, 50, 4194. 459/1. Sections, cold-, 50, 1174. Silver, effect on Erichsen value and Safety. See Factor o f safety. hardness, 50, 694. Sampling of— Silver-copper alloys, effect on Erichsen Gold bullion, 50, 874. value and hardness, 50, 694. Metallurgical products, book, 50, 287/1 Strip, cold-, Steckel process, 50, 1894. (review). Zinc, effect of temp, and impurities, 50, Sand-blasting, water separators for, im­ 7014. portance, 50, 1934. Rolling texture, alteration in relation to Sands, moulding, See Moulding sands. degree of deformation, 50, 2384 (see Satco metal, 50, 5404. also Deformation textures). Sawing, Rolling texture of— cold-,50,3874. . , Kn ns4 Aluminium, relation to deep drawing with band saws, cutting speeds, 50, 118 properties and hardness, 50, 694. Sawing-off machines, gear-driven, 50, Cadmium, 50, 354, 5534. 1184. 864 Subject Index

Scale, removal from metals, 50, 578.-1. Selenium compounds, toxicity, 48, 158. Scandium, Semi-conductors, phonomona of trans­ atomic weight, 50, 60.-1. formation, 50, 8/1. bibliography, pamphlot, 50, 137.-1. Separation. Soo A nalysis. dealers and importers, pamphlet, 50, Shafts, revolving, vibrations, 50, 279/1. 137/1. Shaping of metals without cutting, 50, history, pamphlot, 50, 137.-1. 56/1, 57/1, 58/1 (soo also undor various isotopic constitution, 50, 06.-1. processes). markets and prices, pamphlot, 50, 137.4. Sheet, metallurgy, pamphlet, 50, 137.4. American standard thicknesses, woights occurrence, pamphlet, 50, 137.-1. and tolerancos, 50, 278.-1. production, pamphlet, 50, 137/1. dents, removal, 50, 328.4. properties, pamphlet, 50, 137/1. screw-nails for fastening to wood, 50, Schuler method for surfaco treatment, 50, 278.-1. 504/1. testing of drawing qualities, 50, 446.4. Science, thin, (light metal), influence of shape of in action, book, 50, 413.4 (review). tonsilo test specimens, 50, 679.4 ; pure and applied, inter-relation, 50,401A. testing, 50, 559/1, 560/1. Scientific papers, preparation, book, 50, working, book, 50, 783.4. 208/1. Sherardizing, 50, 669/1. Scleron. Seo Skleron. book, 50, 718.-1. Scrap (seo also undor names of metals effects of carbon in blue powder, 50, and alloys), 30.1, 305.4. baling, 50, 711/1. effects of iron, in bluo powder, 50, 30.4, briquetting machine, 50, 127/1. 305.1. disposal, 50, 401/1. versus hot-galvanizing, 50, 163.4. railroad, recovery, 50, 780/1. Shipbuilders, directory, 50, 208/1, 288.1 recovery, 50, 711.1. (review). use, problems, 50, 518/1. Shipbuilding, uso of non-ferrous materials, Screens, round-holo, for testing purposes, 50, 52/1. A.S.T.M. tontativo spocifioations, 50, Shipowners, diroctory, 50, 208/1, 288.4 93.4. 313.-1. (review). Screw threads, Shrinkage dangor, in casting, 50, 389.4. effect of surface treatment, book, 50, Shrinkage of— 463/1 (review). Brass, offoct of products of combustion, stress concentration, dotn. by photo- 50, 196/1. olastie method, pamphlet, 50, 716/1. Cobalt-carbon alloys on solidification, Scurflng machine, 49, 395. 50, 226/1. Sea-water, corrosion by. Soo Corrosion. Manganese on solidification, 50, 226/1. Season-cracking. Seo Internal stress. Manganese-carbon alloys on solidifica­ Season-cracking of— tion, 50, 226.-1. Brass, 50, 427/1. Nickel-carbon alloys on solidification, Secondary metals (soo also Scrap), 50, 226.4. production, 50, 278/1. Sil-Fos, 50, 53.-1, 186/1, 696/1. Segregate structures, theory of formation, Silberit, uso for jewollery, 50, 686.-1. 50, 478.4. Silica bricks. See Refractory materials. Segregation, inverse. Seo Inverse scgrega- Silicides, tion. superconductivity, 50, 352/1. Selenious acid solutions, offoct of sunlight, Silicon, 48, 158. as alloying element, 50, 80/1, 730/1. Selenium, effect on copper-nickel alloys, 50, bibliography, 50, 036.4. 661.4. films, for protection of magnesium alloys, effect on copper-tin alloys, 50, 661/1. 48, 147 ; registration of cathodo rays, electrical conductivity of molten, 50, 50, 292/1. 521/1. history, pamphlot, 50, 137.4. electrical resistance, offoct of temp., 50, imports and exports, pamphlot, 50, 137.-1. 8/ 1. markets and prices, pamphlet, 50, 137/1. estimation, in aluminium and its alloys, mineral resources of U.S.A., pamphlet, 50, 443.-1, 554/1, 555/1 ; in copjiei- 50, 404/1. silicon alloys, 50, 169/4. occurrence, pamphlot, 50, 137/1. evaporation, 50, 596/1. preparation, pamphlet, 50, 137.1. Silicon alloys, elcctrothermio prodn., 50, production, 50, 636/1. 267/1. production and sales, pamphlet, 50, Silicon-aluminium alloys (see also A lpax, 137.4. M VC alloy, Silumtn, &c.), properties, pamphlot, 50, 137/1. casting, 50, 294.4. removal from copper-refining cycle, 50, constitution, 50, 600.4. 636.4. creep, 50, 299/1. toxicity, 48, 158. effect of sodium, 50, 661/1. uses, 50, 636.4. electrical conductivity, 50, 10/1. Subject Index 865

Silicon-aluminium alloys, Siluniin (Alpax) (seo also Silicon-alumin­ electrical resistance, effect of heat-treat- ium alloys, &c.), ment, 50, 347/1. action of superheated steam, 48, 187. eutectic, hypoeutectic, and hypereutectic, casting, 50, 330/1. 50, 600/1. castings, porosity, 50, 6074. for die-casting, effect of variation of “ catalogue,” 50, 7274. temp, on impact value, 50, 477/1. chemical properties, 50, 2234, 5674. Lorenz number, 50, 10-4. chromium-plating, 50, 4494 . mechanical properties, cffoct of heat- corrosion, 50, 4794 ; by acid and treatment, 50, 3474. alkaline solns., 50, 244 ; protective modification, 50, 2944. action of sodium silicate, 50, 4334 ; pistons, 50, 1804. tables of rate of attack, 50, 2944. properties, 50, 2944. corrosion-fatigue, 50, 42/1. sand-castings, stress-elongation, stress- corrosion-resistance, effect of copper, bending, and stress—slip diagr., 50, 50, 3474. 7264 ; vibration strength, 50, 720/1. density, effect of copper, 50, 347/1. solid solubility of silicon, 50, 4714. effect of copper, 50, 3474. thermal conductivity, 50, 104. elastic properties, offect of temp., 48, uses, 50, 2944 ; in architecture, 50, 255. 1804. endurance, 50, 285/1. wire, elect, conductivity, offect of moch. hardness, offect of copper. 50, 3474; and thermal treatment, 50, 2944 ; effect of porosity, 50, 0074. tensile strength and elect, conduct­ machining, 50, 5754. ivity depending on moch. and thermal mechanical properties, 50, 567A. treatment, 50, 2944. physical properties, 50, 2234. Silicon-aluminium-copper alloys, properties, 50, 2944. mechanical properties, 50, 2224, 281/1. sawing, 50, 1184. physico-chemical investigation, 50, 0014. tensile properties, effect of copper, 50, preparation, 50, 2224, 2814. 3474. wire, elect, conductivity, offect of moch. use, 50, 294/1, 5674 ; in mines, 50, and thermal treatment, 50, 2944 ; 5004 ; in shipbuilding, 50, 3754. tensile strength, effect of moch. and workshop practice, recommendations, thermal treatment, 50, 2944. 50, 2234. Silicon-aluminium-iron alloys, aluminium- Silver (see also Precious metals), rich, constitution, 50, 114, 2234. action of coffee, 50, 7404. Silicon-aluminium-magnesium alloys, action of tea, 50, 7404. Al3Mg2, X-rav evidence, 50, 4854. adsorption of silver nitrate by finely- constitution, 50, 3464. divided, 50, 2904. electrical conductivity, 50, 10/1. assay beads, surface effects caused by equilibrium diagram, 50, 472/1. platinum metal«, 50, 4414. Lorenz number, 50, 104. capillary, mechanism of formation from Mg2Si, presence not confirmed by X-rays, silver sulphide, 50, 4664. 50, 4854. casting, 50, 2664. thermal conductivity, 50, 104. cathode, linear crystn. in electrolysis Widmanstatten structure, 50, 485/1. of silver nitrate, 50, 6364. Silicon-brasses, 50, 5384, 5394. characteristic frequency, 50, 714. Silicon-bronze. See H erculoy. chromium-plating, 50, 964, 1774, Silicon carbide. Seo Refractory materials. 0294. Silicon-copper alloys, cold-rolling, preferred orientation pro­ estimation of silicon, 50, 1094. duced by, 50, 1644. solid solubility of silicon, 50, 3494. colouring, 50, 5044. solid solutions, mechanism of decompn., compression fluidity, 48, 48, 56. 50, 7444. consumption in arts and industries of wires, hard-drawn, for overhead trolley U.S.A., pamphlet, 50, 5884. purposes, field tests, 50, 377/1. corrosion by sulphide soJn«,, 50, 264. Silicon-copper-nickel alloys, copper-rich, deposition, 50, 2494 ; analysis o f solns., constitution, 50, 349/1. 50, 464, 0754, 76 04; bright, from Silicon-magnesium alloys, cyanide baths, 50, 984 ; brightenero, chemical properties, 50, 004A. 50, 984 ; control of soln«., 50, 4504 ; electrical conductivity, 50, 10/1. cyanides in relation io, 50, 464, 984, equilibrium diagram, 50, 604/1. 50, 2484 ; detn. of silver in solns., 50, heat-treatment, 50, 6044. 99/1 ; detn. of thickness of dopomUt by Lorenz number, 50, 104. nomograms, 50, 6824 ; faults, cauw physical properties, 50, 004A. and prevention, 50, 4 5 0 4 ; from thermal conductivity, 50, 104. argentoeyanide so In«,, 50, 1784 ; Silicon-nickel alloys, from sulphate, nitrate, fluoborate precipitation hardening, 50, 6054. mid fluoride solns., 50, 984 ; on bra**, Silium, 50, 6004. matt surface, 50, 0324 ; operation Sillimanite. See Refractory materials, a n*l control of baths, 50, 0824; Silmalec, 50, 6014. roe*»very from old plating bath«, 50, VOL. L. 866 Subject Index

Silver, Silver, 633.-1 ; spotting, 50, 565.4 ; study rolling texture, rotation to deep drawing of solns., 50, 98.4 ; whit© spots on properties and hardness, 50, 69/1. deposits, 50, 316/1. sheet, faults in manuf., 50, 701.4 ; deposits, formation of stains, 50, 98.1; preferred orientation produced by protection against tarnishing, 50, cold-rolling, 50, 164/1. £34.4 ; white spots, 50, 316/i. single crystals, diffraction of electrons, detection, 50, 87/1, 366.4. 50, 38/1 ; diffraction of low-speed diffusion in lead, 50, 723.4. electrons, 60, 616/1 ; sclerometric electrical resistance, change under hydro« hardness, decrease duo to adsorption static pressuro, 50, 422.4 ; of films, of active substances at surface of 50, 596/1. contact, 50, 5/1. Erichsen value, ofTect of rolling, 50, 69/1. solders. Soo Solders. estimation, in electrolytic copper refinery solubility of oxygen, 50, 290/1. slimes, appn. of Volhard method, 50, specific heat from 1*35° to 20*3° Iv„ 50, 241.4 ; in load bullion, volumetric, 50, 467/1. 310/1; in plating solns., 50, 99.4 ; in spitting, during solidification, 49, 324, silver plating baths, 50, 675.4 ; (small 340. amts.), colorimetric, 50, 621.4. standard. Soo Silver-copper alloys. evaporation, 50, 596/1. sulphide films, 50, 26.4. films, elect, properties, 50, 343/1 ; oloct. tarnishing, prevention, 50, 234/1. resistance, 50, 596.4.; oloctro- tensile properties of whole and soldered doposition, 50, 565.4 ; registration of wires, 50, 594.4. cathode rays, 50, 292/1. thermal conductivity at high temps., 50, finely-divided, adsorption of AgNO,, 4.4. 50, 290/1. viscosity of molten, 50, 80.1. fiow-pressure, at low temps., 50, 291/1. wires, whole and soldered, tensile tests, fluidity, pressure of, 48, 53. 50, 594.1. foil, preferred orientation produced by Silver alloys, cold-rolling, 50, 290/1. analysis of coinage, 50, 166.1. hardness, offect of rolling, 50, 69.1. annealing, 50, 606/1. lattice parameters, 50, 362.4. assay, corroct sampling, 50, 239/1. liberation of oxygen, 49, 317 (Paper). casting, 50, 606/1. magnetic susceptibility, offoct of cold- coinage, analysis, 50, 166.4 ; British, work, 50, 76/1; effect of plastic do- 50, 156/1 ; improving colour, 50, formation, 50, 660.4. 156/1; rigidity, temp, coeff., 50, 158-4. melting in H.-F. induction furnace, 50, colour, 50, 476/1. 583/1, 777/1. corrosion by sulphide solns., 50, 26/1. melting point, lowering by oxygen under corrosion-resistance, 50, 476.4. pressuro, 49, 329. density, 50, 606/1. metallurgy, book, 50, 524.4 ; develop­ etching, 50, 606/1. ments, 50, 379/1. homogeneity, 50, 476.4. mineral resources, of California and mechanical properties, 50, 606/1. Oregon, U.S.A., 50, 134.4 ; of eastern microstructure, 50, 606.4. states of U.S.A., 50, 134.4 ; of Idaho pickling, 50, 606/1. and Washington, U.S.A., 50, 134.4 ; properties, offect of lieat-troatmont, 50, of Nevada, U.S.A., 50, 134.4, 588.4 ; 476.4. of U.S.A., 50, 134/1; of Utah, U.S.A., rolling properties, 50, 476.1. 50, 134/1. sonority, 50, 476.1, 606.4. mirrors, reflective power for infra-red, stamping properties, 50, 606,4. 50, 145/1. sulphide films, 50, 26*4. native, motallographic study, 50, 362.4. tarnish resistant, 50, 667.4. oxidation by nitric acid, hydrazine as tarnishing, 50, 606.4. retarding agent, 50, 149.1. transformations in solid state, 50, 606.4. photoelectric properties, 50, 213.4, 219.4. use, historical review, 50, 476.4. plates, hardness, 50, 594.4. weldability, 50, 606.4. positive ion emission, 50, 76.4 , 219.4. Widmanstatten structure, 50, 362.4. protection, new dipping process, 50, Silver-aluminium alloys, 234.1. lattice constants, 50, 164.4, 238.4. recovery, from old silver plating baths, solid solutions, X-ray study, 50, 164,4, 50, 633.4 ; from tin slimes, 50, 520.4. 238/1. recrystallization, 50, 362.1, 486/1. Silver-antimony alloys, refining, book, 50, 457/1. constitution, 50, 430.4 ; X -ray study, reflecting power, ultra-violet minimum, 50, 36A. change on cold-working, 50, 595/1. crystal structure, 50, 36.1. reflection of long X-rays, 50, 76A, Silver-antimony-zinc alloys, constitution, residues, recovery, 50, 648.4. 50, 430/1. rigidity, temp, coeff., 50, 82/1. Silver-arsenic alloys, rolling, effect on Erichsen value and constitution. X -ray study, 50, 36.4. hardness, 50, 69/1. crystal structure, 50, 36/1. Subject Index 867

Silver-bismutli alloys, Silver-copper-nickel-zinc alloys, constitution, X -ray study, 50, 30/1. refining by additions, 50, 000/1. crystal structure, 50, 30.1. solidification interval, 50, 600.4. preparation for quant, analysis, 50, 441.-1. sonority, 50, 000.4. Silver- cadmium alloys, stamping properties, 50, 600/4. electrodeposited, chango in reflecting tarnishing, 50, 600.4. power causod by tarnishing, 50, 99.-1. transformations in solid state, 50, 600.1. eutectoid, tempering and annealing, 50, weldability, 50, 606. 1 . 256.4. Silver-copper-nickel-zinc-cadmium alloys, properties, 50, 476.1. properties, 50, 476.4. Silver-cadmium-antimony alloys, constitu­ Silver-copper-oxygen alloys, tion, 50, 430.4. constitution, 50, 20.4, 21.4. Silver-copper alloys, quasi-binary section silver-cuprous oxide, casting, 50, 200/1. constitution, 50, 20/1. constitution, 50, 351/1 ; thermodynamic review of knowledge, 50, 006.1. study, 50, 730/1 ; X -ray study of workability, 50, 21.4. copper-rich alloys, 50, 33.4. Silver-copper-paliadium alloys, elastic limit, 50, 351.1. equilibrium diagram, 50, 476.1. electrical conductivity, 50, 351.4. Silver-copper-phosphorus alloys, constitu­ electrical resistance, toinp. cooiT., 50, tion, 50, 734/1. 351/1. Silver-gold alloys, equilibrium diagram, 50, 470.4. action of nitric acid, 50, 739.1. Erichsen value, cifect of rolling, 50, 09.1. action of sulphuric acid, 50, 739.4. hardness, 50, 351.4 ; olTect of rolling, atomic susceptibility curves, deviation 50, 09/1. from theoretical curves, 50, 37.4. heat-treatment, effect of moeh. proper­ constitution, 50, 21.4. ties, 50, 351/i. diffusion coefficient, influonco of temp., influence of oxygen. Seo Silccr-coppcr- 50, 291.1. oxyijen alloys. electrical conductivity, 50, 474/1. inverse segregation, 50, 299.4. electrical resistance, 50, 474.4. lattice dimensions, 50, 480.4. electromotive force, 50, 474.1. liquation, 49, 347 {Paper). equilibrium diagram, 50, 476/1. remelting, deoxidizers for, 50, 21/1. Hall elfect, 50, 296.4 ; relation to lattice rolling, effect on Erichsen value nnd constant, 50, 35/1. hardness, 50, 09.4. lattice constants, relation of Hall effect, rolling texture, relation to deop drawing 50, 35/1. properties and hardness, 50, 09.4. potential measurements, 50, 21.1. solid solubility of silver, 50, 480.1, 734/1. properties, as functions of compn., 50, solid solutions, now orientations forming 474.1. in crystal during pptn., 50, 740/1. solid solutions, method of study, 50, solubility of copper at 452° C., 50, 480.4. 474.4. solubility of silver, at 452“ C., 50, 480,1 ; tensile properties, 50, 474.1. X -ray study, 50, 308/1. thermal expansion, 50, 474.4. “ standard silver,” faults in manuf., 50, thermoelectric effect, 50, 474.4. 734/1 ; improvement, 50, 734/1. thermoelectric force down to very low supersaturated, sepn. of constituents and temps., 50, 422/1. changes of properties, 50, 20.1. Silver gold-copper alloys, oquilib. diagr., surface improvement, 50, 328.4, 700.1. 50, 476/1. tensile properties, 50, 351.4. Silver-lantbanum alloys, constitution, 50, viscosity of molten, 50, 80/1. 153/1. workability, influencoof oxygon, 50, 21.1. Silver-lead alloys, solid solubility of load Silver-copper-antimony alloys, constitu- at 285° C., 50, SA. tion, 50, 430.4. Silver-manganese alloys, electrode poten- Silver-copper-manganese alloys, constitu­ tial, 50, 79.4. tion, 50, 21.4. Silver-oxygen system, Silver-copper-nickel alloys, properties, 50, constitution, 49, 331. 470.4. eutectic, 49, 333, 341, 342. Silver-copper-nickel-zinc alloys, Silver-palladium alloys, annealing, 50, 000.4. equilibrium diagram, 50, 476A. casting, 50, 000.4. hydrogenized, pliotoolectric and thermo­ density, 50, 000.1. electric effects, 50, 542/1. effect ol oxygen. Soo Silver-copper- lattice constants, 50, 86.4, 553.4 ; of oxygen alloys. solid soins., 50, 480.4. etching, 50, 006.4. Silver phosphides, density, dissociation liquation, 49, 353. pressure and heats of formation, 50, mechanical properties, 50, G0G.4. 10/i. microstructure, 50, 606.4. Silver-platinum alloys, equilib. diagr., 50, pickling, 50, 006.4. 476.1. preparation, 50, 600.1. Silver sulphide, liydrogon and, thermal properties, 50, 476/1. equilib., 50, 431.4. 868 Subject Index

Silver-tin alloys, Single-crystals of— constitution, X-ray study, 50, 35/i. surface of contact, 50, 5/1 ; thermal crystal structure, 50, 35/i. conductivity, 50, 596/1. properties, 50, 476.1. Cobalt, magnotization at high temps., Silver-zinc alloys, 50, 1/1 ; magnotization at high temps., 0-phase, transformations, X-ray study, 50, 146/1. 50, 158/1. Copper, dotn. of volocity of dissoln. of corrosion by acids, 50, 357/1. different faces, 50, 301/1 : diffraction properties, 50, 470/1. of oloctrons, 50, 38/1 ; diffraction of Silver-zinc-cadmium alloys, properties, 50, low-spoed eloctrons, 50, 616.-1 ; 476/1. scleromotric hardness, decrease duo Silver-zinc-copper alloys, to adsorption of activo substances at constitution, 50, 664.-1. surfaco of contact, 50, 5.4 ; solution review of recent investigations, 50, velocities on different facos, 50, 339/1. 227A. Gold-copper alloys, action of reagents, Silveroid, corrosion by sea-water, 48, 109. X -ray study, 50, 355/1, 480.4. Single crystals, 50, 507/1. Lead, sclerometric hardness, .docreaso deformation, offoct of temp., 48, 247. duo to adsorption of activo sub­ electron diffraction, 50, 38/1, 440/1, 660.4. stances at surfaco of contact, 50, 5/1. ferromagnetic, magnetic behaviour, Magnesium, phys. anisotropy, 50, 2.4, pamphlet, 50, 782.4. 530.4; phys. properties, 50, 212A ; hardness, scleromotric, decrease duo to plastic doformation, 50, 2/1, 530/1. adsorption of activo substances at Mercury, thermal conductivity, 50, surfaco of contact, 50, 5.4. 595/1 ; thermoelectric power, 50, magnetization, theory, verification, 50, 595/1 ; Wiedemann—Franz-Lorenz 345.4. value, 50, 595/1. transformations, 50, 306.1. Nickel, prepn. by Bridgman mothod, wires, geometrical method for detg. furnaco and cruciblo clovico for, 50, crystal axes, 50, 671/1. 312/1. Single-crystals of— Platinum, sclorometric hardness, de­ Aluminium, behaviour under alternating crease duo to adsorption of activo sub­ torsional stresses in slow stream of tap- stances at surface of contact, 50, 5.4. water, 50, 300/t ; bent wires, retard­ Silver, diffraction of electrons, 50, 38.4 ; ation of rocrystallization power by diffraction of low-speed electrons, bonding back. 50, l/l ; compressed 50, 616/1 ; scleromotric hardness, plates, arrangement of micro-crystals, decroaso duo to adsorption of active 50, 307/1, 615.4 ; preparation, 50, 1/1 ; substances at surfaco of contact, 50, rocrystn.,50, 614/1 ; sclorometric hard­ 5.1. ness, decrease duo to adsorption of Tellurium, elect, rosistanco, effect of active substances at surface of con­ annealing, 50, 213/1. tact, 50, 5/1. Tin, olect. resistance at temps, below Antimony, scleromotric hardness, de­ 90° K., 50, 726/1. crease due to adsorption of activo sub­ Zinc, alternating torsional tests, 50, stances at surface of contact, 50, 5/1. 467/1 ; eloct. conductivity, 50, 596/1 ; Arsenic, sclorometric hardness, docreaso olectrodo potential, 50, 452/1 ; hemi­ duo to adsorption of activo substances spherical, crystal growth, 50, 616/1 ; at surfaco of contact, 50, 5/1. spectroscopically pure, elect, pro­ Beryllium, 49, 390. perties, 50, 3/1 ; therm:il conduc­ Binary intermetallic compounds, at­ tivity, 50, 596.4. tempts to produce, 50, 308/1. Skleron, Bismuth, behaviour under alternating chemical properties, 50, 223.4. torsional stresses, 48, 227 (P a p e r ); elastic properties, offect o f temp., 48, 255. diamagnetism, 50, 218/1 ; Hall effect, endurance, 50, 558/1. 50, 593.4 ; macroscopic and lattice physical properties, 50, 223.1. expansion, 50, 209/1 ; magnetic sus­ use in railway waggons, 50, 179/1. ceptibility, dependence on field, 50, workshop practice, recommendations, 657/1 ; inotamagnetism. 50, 722.1 ; 50, 223.1. metamagnotism, effect of impurities, Slags, corrosivo power and constitution, 50, 66/1 ; sclerometric hardness, de­ 50, 274/1. crease duo to adsorption of activo Slip, 48, 228, 319; 50, 659/1, 753/1. substances at surfaco of contact, 50, in plastic materials, 50, 291/1. 5/1 ; thermal expansion, X-ray Smoke indicators and recorders, 50, 643/1. studies, 50, 593/1; thermo- and Sodium (seo also Alkali mctaU), galvano-magnotic properties, 50, conductor, 4000-amp., 50, 569.1, 764.4. 593.4 ; thermoelectric power near electrical resistance, change under hydro­ melting point, 50, .657.4 ; X-ray static pressure, 50, 422/1. studies, 50, 417/1. estimation, in aluminium, 50, 675.-1, Cadmium, elect, conductivity, 50, 596.4 ; 676/1 ; in aluminium, spectrographic, sclerometric hardness, decrease due to 50, 676.4 ; indiroct col., based on adsorption of activo substances at reduction and titration of uranium Subject Index 869

Sodium, Solders, in magnesium sodium uranyl acetate, silver, advantages, 50, 4994 ; analysis, 50, 444/1 ; of minute amts. by mag­ A.S.T.M. tentative mothod, 50, 1664, nesium uranyl acetato method, errors 2404 ; brazing with, 50, 695/1 ; involved, 50, 310-4 ; oxidimetric, 50, compn., 50, 6954 ; effect of im- 90.4. puritios, 50, 1114; for brazing, 50, review, 50, 59G/1 ; of information, 50, 57 14; in engineering construction, 719/1. 50, 1114; properties, 50, 1114; Sodium amalgams, uses, 50, 1864. dilute, kinetics of dissoln., 50, 542.4. soft, British Standard specifications, electrolysis, 50, 80/1. 50, 2064, 256/1 ; cadmium in, 50, formation from sodium chlorido soins., 383/1 ; effect of antimony, 50, 3244 ; detailed study, 50, 2524. review, 50, 1114. liquid, eloct. conductivity, 50, 733/1 ; tin, book, 50, 5914 (review). study of, 50, 003.4. wiping, phys. properties, 50, 2964 ; Sodium-antimony alloys, NaSb, lattice phys. properties, pamphlet, 50, 2824. structure, 50, 303.4. Solid solutions (see also A lloys), Sodium-bismutli alloys, NaBi, lattice constitution, survoy of recent work, 50, structure, 50, 363.4. 7454. Sodium-calcium alloys, equilibrium crystallization, 50, 1594. diagram, 50, 6014. decomposition, 50, 7444, 7454. Sodium intermetallic compounds, 50, 4314. diamagnetism, 50, 6654. Sodium-lead alloys, X-ray study, 50, 4314. diffusion in, 50, 7444, 745.1. Sodium-thallium alloys, NaTl, lattice dilute, eloct. properties, 50, 15/1. structure, 50, 3634. homogeneous, rate of formation, 50, Sodium-tin alloys, X -ray study, 50, 431/1. 164. Soft soldering. See Soldering. nature, X-ray study, 50, 1644. Softening of deformed metals, timo law, paramagnetism, 50, 6654. 50, 6 4 , 3424. recrystallization, 50, 6154. Soils, corrosion by. See Corrosion. segregations, formation and external Soldering, forms, 50, 3074. autogenous, oxy-acetyleno, 50, 765.1. transport and transport potentials, 50, fluxes, table of, 50, 110.4. 3534, 3544. furnace, Amiantha, 50, 1294. Solidification, in relation to metallurgical heavy, 50, 6964. and geological problems, 50, 2994. irons, elect, heater for, 50, 6964. Solidification of metals, 50, 2154. silver, 50, 4994 ; of metal parts, 50, Solidification shrinkage. See Shrinkage. 111/1 ; structure of joints, 50, 1864. Sound, velocity, in solid and liquid metals, soft, bibliography, 50, 1114; reviow, detn., 50, 3684. 50, 111.4. Spark gaps, timo lag, 50, 2554. with aid of lead bath, 50, 383.1. Specific gravity of— without soldering iron, 50, 6964. P.M.G. alloy, 50, 2954. Soldering of— Strontium-cadmium alloys, 50, 1574. Aluminium, 50, 2574, 6954 ; foil, 50, Specific heat (see also Atomic heal), 3244 ; with Alulot solders, 50, 2574. at high temperatures, exact measure­ Automobile radiators, seam failures, 50, ment, 50, 4704. 274. at temperatures of liquid helium, 50,467.1. Copper (hard-drawn), 50, 1464 ; tubes, at very low temperatures, 50, 8.1. 50, 4994. effect of cold-work, 50, 84. Lead, 50, 534. exact measurement between 0° and 1625° Monel metal, 50, 19.4. C., 50, 4784. Nickel alloys, 50, 1884. Specific heat of— Widia, 50, 1104. Beryllium, 50, 7214. Solders (see also under names of con­ Cobalt, dependence on temp., 50, 7264. stituent metals), Copper-cadmium alloys, 50, 1524. Alulot, 50, 2574. Elements of Group VIII of periodic table, Alumaweld, 50, 3834, 6954. dependence on temp., 50, 7264. aluminium, 50, 6954 ; hard, 50, 4994. Iridium, between 0° and 1604° C., 50, brass, hard, 50, 4994. 4 1 8 4 ; dependence on temp., 50, brazing, Sil-Fos, 50, 1864. 7264. cadmium in, 50, 6964. Iron, dependence on temp., 50, 726.4. cored, British Standard specification, Nickel, dependence on temp., 50, 7264. 50, 2064 ; resin filled, British Stan­ Osmium, dependence on temp., 50, 7264. dard specification, 50, 2574. Palladium, 50, 694 ; dependence on Kester, 50, 6964. temp., 50, 7264. low melting-point for aluminium cans, Platinum, dependence on temp., 50, 50, 3204. 7264. porosity, 50, 2964. Platinum-tin alloys, 50, 4784. practical notes, 50, 1104. Rhodium, 50, 694 ; dependence on Sil-Fos, 534, 1864, 6964. temp., 50, 7264. 870 Subject Index

Specific heat of— Steels, Ruthenium, 50, 09A ; between 0° and carbon-, gas corrosion at high temps., 1604° C., 50, 418/1; dopondenco on roport, 50, 205/1. temp., 50, 720.1. cementation by chromium, 50, 614.1. Silver from 1-35° to 20-3° K ., 50, 407.4. Chromium-plating for wear-rcsistanco, Solids at ordinary temps., simplo method 50, 96.4, 449.4, 563.4, 758/1 ; on dies, for dotn., 50, 721/1. 50, 563/1 ; on rolls, 50, 563.4. Tin (pure, tetragonal), 50, 478.1. coatings on, metallic, 50, 361/1. Spectra, index, 50, 03/1. cold-rolled plates, internal stress, 50, Spectrographs. Sco Laboratory apparatus. 729.4. Spectrometers. Seo laboratory apparatus. colouring, 50, 504.4. Spectroscopy, corrosion, 50, 27/1 ; by bloaching liquors X -ray, advances, 50, 237/1 ; book, 50, in textilo industry, 50, 435/1 ; by dis­ 528/1 {review). tilled water and wilt soins., prevention Speiss, nickel. Seo Nickel. by addn. of sodium dichroma te, 50, Spelter. Seo Zinc. 358/1 ; by hot vapours of cracked petrol, Spinning of— 50, 230.4 ; by iodine, 50, 303/1 ; field Monel metal pistons, 50, 328/1. tests of inotallic coatings, report of Sprayed coatings, A.S.T.M. sub-ctteo., 50, 304.4 ; report adherence, 50, 301/1. of A.S.T.M. cttco., 50, 549/1. corrosion, 50, 306/1; by iluo gases, 50, corrosion-fatigue, 50, 42/1 ; effect of 230.4. cadmium or zinc coatings, 50, 314A ; Spraying of— effect of pickling, 50, 314.4 ; influonco Aluminium, appns., 50, 235/4. of hoat-treatmont and chcm. compn. Iron, with aluminium, 50, 306/i. on resistance to, 49, 36. Metals, advances, 50, 30A ; os protection density, effect of torsion, 50, 059/1. against corrosion, 50, 306/1; improve­ electrical resistance, effect of torsion, 50, ments, 50, 577/1; Metalayer procoss, 059/1. 50, 670/1; on clay products, 50, 693/1; electrodeposits on, resistance to sea­ on paper, 50, 497*1 ; Schoop process, water, 50, 742/1. 50, 484/1. endurance, 50, 558/1. Sputtered films, colours, 50, 8.1. endurance properties, offect of zinc coat­ Sputtering, cathodic, commercial appn., 50, ings, 50, 482A, 070/1. 694/1. estimation of copper, 50, 39.4. Stabilizing of metals by rotary magnotic estimation of nickel, 50, 39.4. treatment, 50, 0/1. estimation of tin, 50, 90/1. Stainless steels. Sco Steels. fatigue, 49, 107, 530/1 ; effoct of lanolino Stalloy, coating, 49, 103. core loss current, measurement by means fluidity, pressure of, 48, 53. o f o.c. potentiomotor, 50, 005.1. foundry, handbook, 50, 1424 (review). magnetizing current, measurement by galvanizing. Seo Galvanizing. moans of a.c. potentiomotor, 50, 605/1. hardness, effect of cold-rolling, 50, 0.4, Stamping, blanks, formulai, 50, 260/1. literature, roview for 1931, 50, 2824. Stamping of— nickel-clad tank cars, 50, 85.1. Aluminium alloys, 50, 192/1, 574.4. patent literature, book, 50, 7824. Flanged cup, detn. of blank size, 50, plates, Nickel-Clad, 50, 5514. 387/1. quenching media, pamphlet, 50, GO/1, Magnesium alloys, 50, 192.4. reflection of long X-rays, 50, 764. Silver-copper-nickel-zinc alloys, proper­ rigidity, modulus, change duo to cold- ties, 50, 606/1. working, 50, 216/1 ; temp, coeff., 50, Small parts, adjustable toggle-joint sub­ 1584. press, 50, 260.4. special, book, 50, 4584. Stamps, stainless, book, 50, 528/1 (review) ; weld­ construction, 50, 117/1. ing, 50, 1134. drop-, automatic friction, 50, 117A. strengthening on cold-rolling, 50, 6/1. Standard silver, thermoelectric, force down stress-endurance curves, 49, 20. to very low temps., 50, 422/1. tensile properties, effect of cold-rolling, Standardization, 50, 779.4. 50, 0.1 ; of rods at low temps., 50, bibliography, 50, 407/1. 431/1. Statistics, torsion, effect on density, dimensions book, 50, 457A. and elect, resistance, 50, 6594. mineral. See Mineral statistics. tubes, corrosion-resistant linings, 50, Steam, purifier, 50, 83/1. 85.1 ; protection, 50, 304. Steels, uses, book, 50, 457/1. action of beer, 50, 609.1. wear-resistance, pamphlet, 50, 0 1 /1 . age-hardening, effect of magnetic treat­ welding, electric, use of aluminium in ment, 50, 660/1. electrodes, 50, 320.4. analysis, book, 50, 056.4 (review). wire, bending capacity, 50, 4314 ; elastio cadmium-plating of castings, 50, 176/1, extension under longitudinal stress, 314.4. 50, 704 ; metallization, 50, 0134, Subject Index 871

Stellite, Sulphur, chemical properties, 50, 536.4, affinity for rhenium, 50, 20.1. composition, 50, 536/1. affinity of metals to, 50, 431.-1. cutting tools, 50, 530.-1. Sulphur chloride, action on aluminium, hard-facing of dies, 50, 105.4. 50, 354.-1. hard-facing with, 50, 698/1. Sulphur-nickel-iron alloys, constitution, machine parts, 50, 536.1. 50, 298/1. physical properties, 50, 530.1. Sulphuric acid, corrosion by. See tips on picks, 50, 105/1. Corrosion. Stelliting of— Superconductive circuits, strength of per­ Trimming dies, 50, 705.1. sistent currents, 50, 470/1. Worn dies, 50, 388.1, 705.1. Superconductivity, Strain and magnetic orientation, 50, at high frequencies, 50, 217/1. 664.-1. orientation effect, 50, 72.4. Strain figures, formation on coppor surfaco, theory, 50, 599.-1 ; wavo-meehanics, 50, 50, 147.4. 293.4. Strain-hardening, with alternating current at high- effect of cold-work, 50, 7/1. frequency, 50, 423/1. in polycrystalline metals, simplo model with high-frequency currents, 50, 599/1. explaining, 50, 291/1. with respect to alternating currents, 50, rate and limits, 50, 0.4. 293/1. Strength of materials, 50, 150/1, 421/1. Superconductivity of— Stress-corrosion. Seo Corrosion. Alloys, 50, 607/1 : containing gold and Stresses, silver, 50, 428/1. analysis, photooloctric mothods, 50, Borides, 50, 352.-1. 446.-1. Carbides, 50, 352.4. distribution, ill anglo plato, 50, 92/1 ; Gold-bismuth alloys, 50, 16.4. in fusion joints, 50, 174/1. Lead, 50, 418/1 ; at high frequencies, dynamic, time of relaxation undor, 50, 50, 217/1. 026.4. Lead -bismuth alloys, 50, 604/1. failure under, 50, 244/1. Lead-thallium alloys, 50, 604.4. internal. Seo Internal stresses. Mercury-cadmium alloys, 50, 475/1. latent. See Internal stress. Nitrides, 50, 352/1. optical analysis, 50, 92/1. Silicides, 50, 352.4. permissible, deln., 50, 626.-1. Tantalum carbide, 50, 352.4. Strip, Tantalum silicide, 50, 352/1. annealing, 50, 570/1 ; in continuous fur­ Tin, 50, 418.4 ; at high frequencies, nace, 50, 694.-1, 765/1. 50, 217.4 j with respect to a.c., 50, coiler, 49, 405. 293/1. cold-rolling by Steckel procoss, 50, Titanium carbide, 50, 352.4. 189.1. Titanium nitride, 50, 352.4. hot-working, modorn works plant and Zirconium boride, 50, 352/1. equipment, 49, 391. Zirconium carbide, 50, 352.4. ingots, casting, mould materials for, 49, Zirconium nitride, 50, 352/1. 203 (Paper). Superconductors, dilatation, 50, 423/1. thin, stability under slioaring forces in Supercooling, thoory, 50, 149/1. plane of strip, 50, 559/1, Supercooling of— Strontium, Copper, 50, 146.4. atomic weight, 50, 60.-1. Lead, 50, 148/1. chemistry, book, 50, 411.4. Tin, 50, 148/1. detection, 50, 87.4, 366.-1 ; by flame Zinc, 50, 148/1. coloration, 50, 673.-1. Super-Duralumin. See Duralum in. electrical resistance, chango under hydro­ Supersaturation, 50, 478/1. static pressure, 50, 422.4. Supra alloy, compn., 50, 000.4. isotopic constitution, 50, 66/1. Surface tension of— uses, 50, 375/1. Gold lamella?, 50, 339/1. Strontium-cadmium alloys, Mercury, 50, 594.-1. constitution, 50, 157/1. Surfaces, hardness, 50, 157/1. metallic, offeet of mech. working on preparation, 50, 157/1. state of, 50, 71/1 ; exchange of specific gravity, 50, 157/4. energy botween organic materials in Strontium-tin alloys, properties, 50, molecular beam, and, 50, 714. 21.-1. Sweden, Structure, electrochemical industry, 50, 100/4. crystal. See Crystal structure. Statens Provningsanstalt, report, 50, rolling. Seo Polling texture. 138.-1. Student Members, eloction, 48, 18, 315; 49, 15. Sub-boundary structures, 50, 614.4, Tan liquors, corrosion by, 50, 303.1, Sulphide films on metals, 50, 150-4. 547/1. 872 Subject Index

Tantalum, Tellurium, absorption of gases, 50, 468,1. single crystals, elect, resistance, offect of analysis, spectroscopic, cathodo-ray annealing, 50, 213.-1. method, 50, 240,1. uses, 50, 636.4. anodic polarization, chem. naturo of Tellurium amalgams, Hall offect, 50, 227.4. oxide layers, 50, 280.4. Temperature, as material for laboratory apparatus, 50, control, by photoolectric tube apparatus, 445.1. 50, 370/1. atomic weight, 50, 596,1. controllers. Seo Laboratory apparatus. corrosion-resistance to gases, 50, 436,1. distribution in solids during heating and electrical resistance, 50, 420,1 ; change cooling, 50, 279.-1. under hydrostatic prossure, 50, 422,1. effect on'properties of metals, 50, 751.-1 ; incandescent, reaction with gases, 50, symposium, 50, 205/1 ; report of 466.1. joint cttec. of A.S.T.M. and A.S.M.E., lattice parameters, 50, 362.1. 50, 290.-1, 531/1. photoelectric properties, 50, 213.4, 219,1. high. Seo High temperatures. separation of tin, 50, 366. !. low. See Low temperatures. thermal electromotive force, 50, 420.4. measurement, 50, 370/1 (see also thermoelectric power, 50, 724,1. Pyrometry). total radiation, 50, 420,1. regulators. Seo Laboratory apparatus. uses, 50, 498-1. Tempering. Seo Annealing, Heat-treat- Tantalum carbide, ment, Ac. cemented, compared with cemented Tempering of— tungsten carbide cutting tools, 50, Eutectoid alloys, 50, 256.4. 81,1 ; research on, 50, 81,1 (seo also Tenacity, Hamel). of notched specimens, 50, 174.4. cutting tools, cutting speeds, 50, 575.4. Tensile properties, relation to hardness, 50, physical properties, 50, 21,1. 754.4. radiating properties, 50, 21,1. Tensile properties of—- superconductivity, 50, 352,1. Aldrey, rods at low temps., 50, 431.4 ; Tantalum silicide, superconductivity, 50, wire, effoct of moch. and thermal 352.1. treatment, 50, 294/1. Tapping spoeds, 50, 260,1. Aluminium, conductors, effoct of anneal­ Tapping of aluminium, 50, 118.-1. ing, 50, 65/1 ; effect of iron, 50, 66/1 ; Tarnishing of— rods at low temps., 50, 431/1 ; trans­ Chromium deposit* on brass, 50, 177,1. mission cables, effect of short circuit Chromium-plated brass, 50, 96.-1. currents, 50, 65/1 ; wire, offoct of Silver, prevention, 50, 234.4. mech. and thermal treatment, 50, Silver alloys, 50, 667,1. 294/1, 417/1. Silver-cadmium alloys, change in reflect­ Aluminium alloys, influence of treatmont ing power caused by, 50, 99.-1. with mixtures of nitrogen and volatilo Taurus bronzes, 50, 708.4, 709.4. chlorides, 49, 305. Tea, action on metals, 50, 740/1. Aluminium-“ bronzes,” 50, 601.-1. Technical papers, preparation, book, 50, Aluminium-copper alloy wire, effoct of 208.1. mech. and thermal treatment, 50, Technical writing, book, 50, 61,1, 714.1. 294/1. Telektal, Aluminium-copper-silicon alloy wire, wire, eloct. conductivity, effect of moch. offect of mech. and thormal treatment, and thermal treatment, 50, 294A ; 50, 294.4. tensile strength, offect of moch. and Aluminium- silicon alloy wire,- offect of thormal treatment, 50, 294/1. mech. and thermal troatmont, 50, Tellurium, 294.4. bibliography, 50, 636/1. A.P. 33 alloy, 50, 425.4. deposition, 50, 636/1. Armco iron, effect of cold-rolling, 50, 56.-1. electrical resistance of singlo crystals, Brass, at high temps., 50, 477.4 ; effect of effect of annoaling, 50, 213/1. cold-rolling, 50, 6/1. Hall effect, revorsals, 50, 724/1 ; with a-Brass, effect of different oloments, 49, audio-frequency currents, 50, 596/1. 252. history, pamphlet, 50, 137/1. 0-Brass, 50, 731.1. markets and prices, pamphlot, 50, 137.4. Bronze rods at low temps., 50, 431.4. mineral resources of U.S.A., pamphlet, Cold-worked metals and alloys, calcula­ 50, 404.-1. tion from Brinell hardness, 50, 6.4. occurrence, pamphlet, 50, 137.-1. Copper, as function of temp., 50, 210/1 ; preparation, pamphlet, 50, 131 A. (lopendenceon rate of strain, 50, 291-4 ; production, process, 50, 636/1. effect of cold-rolling, 50, 6.4 ; in production and sales, pamphlot, 50, gaseous medio, 50, 210.-1; rods at low 137/1. temps., 50,431/1 ; transmission cables, properties, pamphlet, 50, 137/1. effect of short circuit currents, 50, removal from copper refining cycle, 50, 65.-1. Dental alloys, 50, 176/1. Subject Index 873

Tensile properties of— Testing, methods of— Duralplat, 50, 4254, 728/1. hardness, Brinell, nomogram for read­ Duralumin, at high temps., 50, 4774. ing numbers between 50 and 313*3, Elektron, 50, 154/1. 50, 4914 ; by pendulum, 50, 754.4 ; Gold-silver alloys, 50, 474/1. by Poldi-Hütte’s apparatus, nomo­ Iron, depondonce on rate of strain, 50, gram for, 50, 491/1 ; by rebound of 2914. ball, 50, 491/1 ; by scratching stan­ Monel metal, at low temps., 50, 79 4; dard plates, 50, 4914 ; by Vickers* effect of cold-rolling, 50, 64. diamond pyramid machine, 50, Nickel, 49, 289 ; offect of added oie- 312/1 ; comparison of Rockwell and monts, 49, 291 ; effect of diam. of Herbert apparatus, 50,4904 ; funda­ wire, 49, 291. mentals, 50, 754/1 ; industrial, 50, Palladium alloys for dental purposes, 50, 7554 ; relation between Rockwell, 4764. Herbert, Brinell, and Shore num­ Phosphor-bronze, at high temps., 50, bers, 50, 4904 ; Rockwell, proposed 477/i. methods, 50,312.4 ; Vickers,50,424. Platinum alloys for dental purposes, 50, high-temperature, 50, 7514. 4764. impact, notchod-bar, in light of present P.M.G. alloy, 50, 295/1. knowledge, 50, 3124 ; notched-bar, Rods at low temps., 50, 431/1. instrument for cutting notches, 50, Silver-copper alloys, 50, 3514. 245/1 ; notchod-bar, size of speci­ Steel, offoct of cold-rolling, 50, 64 ; rods mens, 50, 244/1 ; notched-bar, at low temps., 50, 4314. sources of error, 50, 754/1 ; notched- Telektal wire, offect of mech. and thermal bar, standardization, 50, 3694 ; treatment, 50, 2944. notched-bar, striko of hammer, 50, Wires at low temps., 50, 4314. 2444. Tensile stresses, internal friction, 50, 424. dependence on rate of strain, 50, 2914. International Association for Testing Tension testing. Seo Testing. Materials, 50, 7784 ; report of Tensometer. See Testing machines. Zürich congress, 50, 6504 ; work Ternary diagrams. Seo Equilibrium dia­ of metals section at Zürich con­ grams. gress, 50, 779.1 ; Zürich congress, 50, 4014. TESTING, METHODS OF— laboratory, equipment, 50, 2434 ; in Testing relation to design, 50, 4464 ; second­ abrasion, 50, 414, 2434, 559/1. ary to servico tests, 50, 6254. advances, 50, 7504. magnetic, A.S.T.M. tentativo defini­ bend, to reveal lugh• température char­ tions of terms, 50, 3134. acteristics, 50, 2434. mechanical, book, 50, 2844 (review ); book, 50, 4574. at high temps., 50, 414. British Air Ministry regulations and methods, report of A.S.T.M. cttee., 50, schedule of charges, 50, 914. 3124, 5574. cohesion, 50, 368/1. non-destructive, elect, method, 50, congress of New International Asso­ 6254. ciation for Testing- Materials, 50, notched specimens, plasticity and 174A, 401/1, 7784, 779/1. tenacity, 50, 1744. corrosion-fatigue, effect of notchcs, porosity, of castings, 48, 292, 293. 50, 424. principles, 50, 3684, 557/1. creep, 50, 4744, 6584, 659/1, 7514 ; proof stress, 50, 424. accelerated, 50, 7524 ; method, 50, samples for, choice, 50, 7504. 5584 ; special tests, 49, 296, 299 ; shock, 50, 7544. value of short-time tests, 50, 558/1. stamping, relation of test results to cupping, of thin sheet, 50, 5594. tensile tests, 50, 6264. damping, 50, 424, 924. standardization, 50, 7504. discussion by French Assoc. Test. stress, by optical analysis, 50, 924. Mat., 50, 625/1. tensile, at high temps., elect, furnace ductility, bend, A.S.T.M. tentativo for, 50, 404 ; autographic appar­ method, 50, 3134 ; of castings, 48, atus for drawing stress-strain curves 293. for sheet specimens, 50, 6264 ; be- dynamic, 50, 5584. haviourof metals,50, 4904 ; changes endurance, characteristics of tests, 49, in length of specimens, measure­ 23 ; detn. of time-oxtension limit, 50, ment, 50, 245/1 ; lateral contraction 6264 ; with Schenck machine, 50, of test-pioce, 50, 2454 ; mechanics, 558-4. 50, 3684 ; of thin light metal sheets, Erichsen, of thin sheet, 50, 559/1. influence of shape of specimen, 50, fatigue, internal losses, 50, 7534 ; of 679/1 ; on notched rods, 50, 3684 ; welds, 50, 3134 ; of wire, 50, 313/1 ; proposed requirements for speed, significance and limitations of re­ 50, 3124 ; relation of stamping test sult«, 50, 4694 ; special methods, results, 50, 6264 ; stages in de­ 50, 424. velopment of apparatus, 50, 2454. 874 Subject Index

Testing, methods of— Testing, methods of— terms relating to, proposod definitions, Testing of— 50, 3 1 -.1 ; tentative revisions of Welds, 50, 91.4, 243.1, 490.4, 560/1, A.S.T.M. standard definitions, 50, 766/1; destructivo and non-de- 312.1. structivo methods, 50, 751.4 ; non­ torsion, offoet of notclios, 50, 42/1. destructive, 50, 91.4, 446.1, 679/1. wear, 50, 243.4, 75U . Testing machines, Test-piece, soparatoly-cast V. cast-on, 48, alternating endurance, 50, 43.4. 276, 280, 288, 290, 291, 292, 294, 295, brittleness, 50, 752.4. 297, 304, 305, 306, 307, 308. calibration, full-load, of machine of Textile mills, corrosion in, 50, 303/1. 000,000 lb. capacity, 50, '147.!. Thallium, compound lever, 1250-ton, 50, 308.1. allotropie transformation, moclmnism, construction, 50, 490/1. 50, 615/1. creep, 50, 149.4, 751.4 ; at Massachu­ anodic polarization in aqueous soins., 50, setts Institute of Technology, 50, 610/1. 313. 1. atomic weight, 50, 3.4, 66.-1. damping, Foppl-Portz, 50, 42.1. bibliography, pamphlet, 50, 137/1. ductility, 50, 92/1. boiling point at atm. pressure, 50, 736.1. endurance, for low-temps., 50, 313.1; diffusion in load, 50, 723.4. Schenck, 50, 558.4. dissolution by acids, 50, 26/1. exhibition at A.S.T.M. mooting, 50, electrical resistance, at low temps., 50, 557.4. 593/1 ; chango under hydrostatic pres­ extensometers, automatic autographic, sure, 50, 422.4. 50, 490.4; construction and uso, estimation, argontomotric, 50, 555.1 ; 50, 079.4. by hypoiodito method, 50, 555-4 ; fatigue, at Russian Institute of Metals, vol., 50, 555.1. 50, 244/1; 7-ton 50-cycle, 50, 244.4. extrusion pressure, minimum, 48, 51. Foppl Heydekampf, for'static bonding films, photoolect. properties, 50, 454/1. and fatigue test«, 50, 309.4. fluidity, pressure of, 48, 53. for long-period temperature-stress history, pamphlot, 50, 137.4. tests, 50, 440.4. isotopie constitution, 50, 66.4. hardness, Avery, 50, 447.1 ; Brinoll, markets and prices, pamphlot, 50, 137.1. motor driven, 50, 92/1 ; Brinoll, photoelectric properties of films, 50,454.4. small, 50, 312/1 ; Duroskop, 50, production, pamphlet, 50, 137.4. 24G.4, 369/1, 627/1 ; for internal properties, pamphlet, 50, 137.1. cylinder walls, 50, 369.1 ; Horbort uses, 50, 137/1, 569/1. pendulum, 50, 447.4 ; Herbert pen­ Thallium amalgams, freo energies of forma- dulum, report by Ctteo. of Franklin tion and hoat of formation, 50, 21/1. Institute, 50, 754/1 ; Nikolaev’s, 50, Thallium-antimony alloys, magnetic sus­ 245/1; Rockwell, 50, 246.4 ; Vickers’ ceptibility, 50, 354.4. diamond pyramid, 50, 312/1. Thallium-cadmium alloys, magnetic sus- multi-lever, Tinius Olson, 50, 627/1. ceptibUity, 50, 354.4. reverse-bend, Warner, 50, 93/1. Thallium-lanthanum alloys, constitution, sheet, 50, 559/1. 50, 153/1. spring, Klasticomotcr, 50, 93/1, 490/1. Thallium-lead alloys, tensile, for wiros, improvement, 50, boiling point curves, 50, 736.4. 42/1 ; largo, 50, 369/1 ; stages in superconductivity, 50, 604/1. development, 50, 245.4. thermal conductivity at low temps., 50, Tensometer, 50, 754.1. 474/1. torsion, 50, 027/1. Thallium-sodium alloys, NaTl, lattice 20,000 lb. vertical single lever, 50, structure, 50, 363.4. 490.4. Thallium-tin alloys, magnetic susceptibil- universal, large, 50, 92/1; self-indicat­ ity, 50, 354.4. ing, 50, 027/1. Thermal analysis, now method, 50, 224.1. wear, for lacquers and other finishes, Thermal conductivity, 50, 079.4. and electrical conductivity, constant Testing of— ratio, 50, 598.1. Aircraft structural members, dynamic, applications of data on, 50, 533/1. 50, 753.4. constant ratio between elect, conduct­ Bearing alloys, 50, 490.4, 774.4. ivity and, 50, 217/1. Bearings, 50, 762.1. determination, now method, 50, 293/1 ; Castings, 48, 273 (Paper and General on cylinders, 50, 533/1. D iscussion), 50, 313/1. Thermal conductivity of— Duralumin, boams, 50, 313/1. Aluminium, 50, 10/1, 425/1 ; at high Pistons, 50, 369.4. temps., 50, 4/1. Sheet, 50, 446/1 ; thin, 50, 559/1, Aluminium alloys, 50, 726/1. 560/1; thin light metal, influence of Aluminium-copper alloys, 50, 10/1. shape of tensile tost specimens, 50, Aluminium-magnésium alloys, 50, 10/1. 679/1. Aluminium-silicon alloys, 50, 10/1. Subject Index 875

Thermal conductivity of— Thermocouples, Bismuth, effect of transverso magnetic tungsten-molybdenum, manuf. and use, fields, 50, 721/1. 50, 175.4, 313/1. Brass (70 : 30), at high temps., 50, 4/1. welding of wires, oxy.acetylene, 50, 54/1. Cadmium at high temps., 50, 4*4 ; single wires, nickel-coppor and nickel-chrom- crystals, 50, CD6/1. ium, caro necessary in working and Copper-aluminium alloys, 48, 37. annealing, 50, 93.4 ; platinum metal, Copper-arsenic alloys, 48, 37. effect of impurities, 50, 94.4 ; thermo­ Copper-iron alloys, 48, 37. electric properties, 50, 94.4. Copper-nickel alloys, 48, 37. Thermoelectric effect in— Copper-phosphorus alloys, 48, 37. Gold-silver alloys, 50, 474.4. Indium at low temps., 50, 466/1. Thermoelectric force produced by mag­ K.S.-Seewasser, 50, 10/1. netic field, 50, 72/1. Lead-thallium alloys at low temps., 50, Thermoelectric force of— 474.1. Copper-iron alloys down to very low Magnesium, 50, 10.4. temps., 50, 422.1. Magnesium alloys, 50, 726/1, 732/1. Gold alloys down to very low temps., 50, Magnesium-aluminium-silicon alloys, 422.1. 50, 10/1. Lead, at liquid holium temps., 50, 339.4 ; Magnesium-cadmium alloys, 50, 10/1. down to tomp. of liquid helium, 50, Magnesium-cerium alloys, 50, 10/1. 418/4 . Magnesium-copper alloys, 50, 10/1. Platinum down to very low temps., 50, Magnesium-manganese alloys, 50, 10*1. 422.1. Magnesium-silicon alloys, 50, 10.4. Silver-gold alloys down to vory low Magnesium-zinc alloys, 50, 10/1. tomps., 50, 422.4. Mercury, single crystals, 50, 595/1. Standard silver down to very low temps., Non-ferrous alloys, 48, 37 (Paper). 50, 422/1. Platinoid, at high temps., 50, 4/1. Tin, down to temp, of liquid helium, 50, Pure metals and alloys, at high temps., 339/1, 418-4. 50, 4.1, 422/4. Thermoelectric power of— Silver, at high temps., 50, 4.4. Bismuth single crystals near molting Wire and ribbon, measurement, appar­ point, 50, 657/1. atus, 50, 557/1. Copper-nickel alloys, variation with “ Y ” alloy, 50, 10/1. temp., 50, 664/1. Zinc, at high temps., 50, 4.4 ; single Hydrogenized alloys, 50, 542/4. crystals, 50, 596/4. Mercury, single crystals, 50, 595/1. Thermal diffusivity, determination, pre­ Molybdenum, 50, 724/1. cision method, 50, 292/4. Nickel, variation with temp., 50, 664.4. Thermal diffusivity of— Nickel-copper alloys, variation with Nickel, 50, 595.4. temp., 50, 664/1. Thermal electromotive force of— Tantalum, 50, 724.4. Magnesium single crystals, 50, 212.4. Tungsten, 50, 724.1. Tantalum, 50, 420/1. Thermoelectric properties of— Thermal expansion. Seo Expa)ision. Copper-cadmium alloys, 50, 152/1. Thermal treatment. See UeaUtreatment. Ferromagnetic materials, 50, 228/1. Thermionic emission from a plane oloc- Thermometers. Soo Laboratory apparatus. trode, 50, 220.1. Thermostats. Soo Laboratory apparatus. Thermionic properties of— Thomson coefficient in zinc singlo crystals Cobalt, 50, 210A. (spectroscopically pure), 50, 3.4. Palladium, 50, 212/1. Thorium, Thermocouples (seo also Pyrometers), bibliography, pamphlet, 50, 137.4. calibration, simple method, 50, 175-4. electrical resistance for temps, below 90° comparison, 50, 175/1. K., 50, 726.4. copper-Constantan, calibration below electrolytic production, 50, 636*4. 0° C., 50, 561/1. evaporation from tungsten surfaces, 50, elements, construction by olectrodeposi- 724A. tion, 50, 561^4. history, pamphlet, 50, 137/1. for rapid measurement of temperatures of occurrence, pamphlet, 50, 137*4. small region, 50, 628-4. properties, pamphlet, 50, 137/1. noble metal, for high temps., 50, uses, 50, 569/1. 628/1. Tin, of longitudinally and transversely mag­ action of beer, 50, 609*4. netized wires, 50, 73A, action of coffee, 50, 740*4, precious metal, causes of destruction, action of tea, 50, 740/4. 50, 561/1. allotropy, 50, 213/1. reproducibility of data, 50, 94/1. atomic heat, 50, 467A ; noar zero abs., tellurium-bismuth vacuum radiation, 50, 50, 530/4. 561/1. castability, 50, 329/1. temperature readings by, in magnetic colouring of foils, 50, 192/4. fields, may bo misleading, 50, 345/1, compression fluidity, 48, 48, 56. 876 Subject Index

Tin, Tin, consumption, 50, 3814 ; in U.S.A., 50, supercooling, 50, 5304 ; and formation 7194. of nuclei, 50, 1484. corrosion, 50, 5444, 7404; by citric thermoelectric force down to temp, of acid, 50, 1014 ; by citric acid solns., liquid helium, 50, 3394, 4184. effect of H-ion concn., 50, 204 ; by titration with potassium chlorate (di­ hydrochloric acid, 50, 4344 ; by in­ valent), 50, 6764. organic acids, 50, 0084 ; by phos­ transformation, 50, 596/1 ; at high pres­ phoric acid, 50, 4344 ; by sea-water, sures, method for detection, 50, 4074. 48, 109 ; by sulphuric acid, 50, 4344 ; twinning, 50,420/1 ; mechanical, 50,290/1. by vinegar, 50, 6074. wire, elastic extension under longitudinal cry, 50, 4204, 4004, 7244. stress, 50, 704. crystallization, investigation, 50, 1494. Tin alloys (see also Babbitt metals, Bearing deposition, 50, 1784, 0304, 7004 ; on metals, Pewter, Solders, White metals, cast-iron pistons, 50, 5324, G334, &c.), 7604 ; pamphlet, 50, 3354. bearings, comparative tests with lead- detection of antimony, 50, 0184. base alloys, 50, 7344 ; mech, properties detection of arsenic, 50, 0184. at different temps., 50, 429/1 ; pro­ diffusion, in lead, 50, 7234 ; into iron, perties, 50, 351/1. 50, 224, 3524. corrosion, 50, 7404. dissolution, non-mctallic film remaining for die-casting, 50, 323/1. after, 50, 704. recrystallization of solid solutions, 50, drosses, detn. of tin, 50, 1704. 0154. estimation, gravimetric, by moans of uses, 50, 1844. thermobalance, 50, 2414 ; in alloys Tin-antimony alloys, with high copper content, rapid {3-solid solution, crystal structure, 50, method, 50, 021/1 ; in brasses and 224. bronzes, gravimetric, 50, 2414 ; in constitution, 50, 224. ferrotungsten and tungsten ores, 50, die-casting gas-meter valves, 50, 2014. 0704 ; in lead alloys, rapid method of gas-meter valves, die-casting, 50, 2014. dissolving alloys preparatory to, 50, magnetic susceptibility, 50, 3544. 0704 ; in steel, 50, 90/1 ; in tin SnSb, existence, 50, 3544. drosses, 50, 170/1 ; in tinplate, 50, Tin-antimony-copper alloys (see also 904 ; in white metals, vol., 50, 90/1, Pew ter), 4444, 5554. constitution, 50, 002/i. extrusion, power consumption, 50, 584. Tin-bismuth alloys, solid solutions, 50, extrusion pressure, minimum, 48, 51. 425/1. films, olectrodoposition, 50, 505/1 ; regis­ Tin-brasses, tration of cathode rays, 50, 2924. physical properties, 50, 5394. flow-pressure, at low temps., 50, 2914. surface-condensers, construction, 50, fluidity, pressure of, 48, 53. 090/1. foil, colouring, 50, 1924 ; manuf. and Tin-cadmium alloys, oquilib. diagr., 50, uses, 50, 1854 ; relative advantages 2134. of aluminium and, as cheese wrapping, Tin-copper alloys (see also B ronzes)t 50, 006/1. a-sohd solution, solidification, 50, 1594. fusible plugs, failure, 50, 092/1; studv corrosion, potential measurements and of 100, 50, 426/1. dissoln. tests, 50, 544/1. indentation fluidity, 48, 49. density, 50, 4264. mining in Saxony, book, 50, 2814. effect of silicon, 50, 661/1. pest, 50, 5964. eutectoid, tempering and annealing, 50, production, statistics, 50, 3814. 2564. recovery, from boll bronze, 50, 519/1, eutectoid change, mechanism, 50, 2244. 7804 ; from tinplate scrap, 50, 277/1, hardness, 50, 4264. 401/1, 5214. Tin-copper-lead alloys, miscibility gap, 50, refining, electrolytic, 50, 3184. 164. separation, from tantalum and niobium, Tin-copper-zinc alloys, 50, 3664 ; from zinc, nickol and man- constitution, 50, 774. gancso by hydrogen sulphide, 50, 6744. creep, effect of rccrystn. temp, and single crystals, eloct. resistance at temps. grain-sizo, 50, 4324, 6654. below 90° K., 50, 7264. Tin-gold alloys, crystal structure, 50, 36/1. slimes, rccovory of gold and silver, 50, Tin-iron alloys, constitution, 50, 22/1, 520/1. 3524. specific heat (pure, tetragonal), 50, 4784. Tin-lanthanum alloys, constitution, 50, statistics, book, 50, 2804. 1534. superconducting, behaviour under incid­ Tin-lead alloys (see also Solders), ence of slow-moving electrons, 50, constitution, 49, 267 (Paper). 4674. equilibrium diagram, 49, 281. superconductivity, 50, 4184; at high eutectic, compn., 49, 282, 285. frequencies, 50, 2174 ; with respect foil, colouring, 50, 1924. to a.c., 50, 293/1. production from slags, 50, 2654. Subject Index 877

Tin-lead-antimony alloys, Titanium, microstructure, 50, 78-4. separation, gravimotric, 50, 555.4 ; in scrap, treatment, 50, 521A . alloys, 50, 0744. Tin-lead-copper-antimony alloys, uses, 50, 3814. anti-friction, effect of small amts. of Titanium amalgams, aluminium, 50, 470.4 ; hardness, 50, preparation, 50, 2974. 476/1. properties, 50, 2974. Tin-nickel-aluminium alloys, aluminium- Titanium carbide, superconductivity, 50, rich, constitution, 50, 347.4. 3524. Tin-platinum alloys, specific heat, 50,478/1. Titanium-copper alloys, Tin-silver alloys, age-hardening, pamphlet, 50, 2084. constitution, X -ray study, 50, 35.4. constitution, 50, 77/1. crystal structure, 50, 35.1. Titanium nitride, properties, 50, 470/1. experiments with, 50, 3414. Tin-sodium alloys, X-ray study, 50, superconductivity, 50, 3524. 431.4. Titration. See Analysis. Tin-strontium alloys, properties, 50, 21 A. . Tombac, Tin sulphides, thermochemistry, 50, 001.4. tubes, uso in water services, 50, 5084. Tin-thallium alloys, magnetic susceptibil­ wire-cloth, 50, 455.4. ity, 50, 354/1. Tombasil, Tinned iron, corrosion, 50, 544.4. properties, 50, 539.1. Tinning, uses, 50, 539.1. book, 50, 60/1. Toncan iron, tin-plated, 50, 5094. electro-, 50, 178.1. Tools, galvanic, new process, 50, 31 A. design, book, 50, 5254. hot-, 50, 235/1. machine. Soo Machine tools. with tin paint, 50, 235.1. resistance of metals to penetration by, without heat, 50, 2354. 50, 584. Tinplate, small, scicntific purchase, 50, 2014. comparison of English, Gorman, and vee, grinding, 50, 2024. Norwegian samples, 50, 3024. Tornesit, 50, 304. containers, mass prodn., 50, 7804. Torsion, effect on density, dimensions corrosion, 50, 1614 ; American and and olect. resistance of metals, 50, British investigations, 50, 0074 ; by 059.4. dilute acid soins., 50, 4344 ; by foods, Torsion testing. See Testing. 50, 3024 ; by foods, generation of Transformations, hydrogen, 50, 5454 ; by foods, rôle detection, in cryst. substances at high of oxygen, 50, 435/1 ; by fruits, 50, pressures, 50, 4674. 204 ; by green vegetables, 50, 204 ; of solid phases, 50, 3064. by milk, 50, 3024 ; phenomena, 50. Transport numbers of metals in mercury, 350.1. 50, 804. defects, 50, 0114. Treasurer, report, 48, 13. detinning, 50, 277.4, 401-1, 5214. Trib-metal, 50, 7394. estimation of tin, 50, 904. Tubes, lacquering of food containers, 50, 4394. cold-drawn, calculation of residual ten­ manufacture, appn. of town’s gas, 50, sions, 50, 3274, 3874 ; structure, 5124 ; effect of various factors on 50, 1914. consumption of tin, 50, 4384. condenser. See Condenser tubes. mottled, 50, 3004, 4384, 743/1. corrosion-resistant linings, 50, 85.4. porosity of coatings, dotn., 50, 3504, internal surfaces, instrument for inspec­ 5514. tion, 50, 0794. quality used in canneries, 50, 3024. seamless, of high m.p. metals, manuf., scrap, treatment, 50, 4014. 50, 5734. soldering, 50, 780.4. shaped, prodn., 50, 1174. testing, 50, 7814. subject to vibration, importance of design with rustless base, 50, 5094. of supports and fittings, 50, 2784. works, scientific control, 50, 2074 ; thin-walled, manuf., 50, 3874, 7024. 50, 445.4. Tungsten, Titanium, absorption of carbon monoxide, 50, 4704. anodic polarization, chem. nature of absorption of nitrogen, 50, 4704. oxide layers, 50, 2894. action of iodine, 50, 084. deposition on iron, 50, 551/1. a- and P-, electrolytic prodn., 50, 7014. electrical resistance, at low temps., 50, book, 50, 5884, 7814. 5934 ; offect of temp., 50, 8.1. degassing, 50, 4704. estimation, as dioxide by guanidine car­ deposition, 50, 381/1 ; from aqueous bonate in tartrate soins., 50, 3114; soins., 50, 994. as phosphate, 50, 444.4 ; colorimetric, diffraction patterns, 50, 7474. by Weller’s method, 50, 0744 ; gravi­ electrical resistance, change under hydro­ metric, 50, 5554, 074.4 ; gravimetric, static pressure, 50, 4224 ; of films, by means of thermobalance, 50, 2414. 50, 5904. 878 Subject Index

Tungsten, Tungsten-cobalt alloys, estimation, colorimctric, in minute amts., age-hardening, 50, 601/1. 50, 242.4. constitution, 50, 601.4. filaments, heated in vacuo, burning-out, Tungsten-cobalt-chromium alloys. Soo 50, 342-4, 658-4 ; micro-examination, Stcllitc. 50, 32/1; prodn., 50, 509/1; roactions Tungsten-iron alloys, cc-y loop, eompn. at surface, 50, 341/1. limits, 50, 227.4. films, elect, resistance, 50, 596-1. Tungsten-iron-carbon alloys, constitution, incandescent, departures from Lambort’s 50, 23/1. cosine law, 50, 3/1. Tungsten-nickel-iron alloys, hot structural lattice parameters, 50, 362/1. liardoning, 50, 430/1. metallography, 50, 32.4. Tungsten-steeis, lattice distortion and occurrence, 50, 290/1. hardness, 50, 165-1. oxide-coated, deflection of electrons, 50, Tungum, 755/1; electrolytic phenomena, 50, properties, 50, 539.1. 70/1 ; tost-pieccs, preparation, 50, uses, 50, 539/1. 755/i. Turbine blades, photoelectric threshold, dotn. by Fowler’s alloys for, 50, 255/1. method, 50, 214 A. erosion, 50, 230.4 ; ofFicienoj' offect on powder, grain-sizo, measurement, 50, radial flow turbine, 50, 739/1. 32/1. steam, investigation of materials to preparation, 50, 290/1. roduco wear, 50, 185/1. properties, 50, 290/1. Turbines, scaling, 50, 357.1. thermoelectric power, 50, 724/1. Twinning, 48, 228, 245. thoriated, course of activation, 50, 23/1; mechanical, 50, 290.4. omission of positivo ions, 50, 219-4 ; Twinning of— ovapn. and migration of thorium, Antimony crystals, 50, 529/1. 50, 724.4 ; reactions at surface, 50, Bismuth crystals, 50, 529-4. 341/1. Type metals, tubes, manuf., 50, 573/1. ancient, analyses, 50, 764/1. uses, 50, 381.1, 569/1. investigation,' 50, 78.4. wires, containing uranium dioxide, omis­ production from scrap, 50, 127/1. sion of positive ions, 50, 219/1; for uso in hotvos torsion balance, effect of hoat-troatment, 50, 342.1 ; grain- Ulco metal, 50, 540.1. growth and recovery, X-ray evidence, Ultralumin, 50, 36/1 ; manuf., book, 50, 588/1 ; melting point, 50, 727/1. micro-oxamination, 50, 32/1. properties, 50, 727.4. Tungsten alloys, use for jewellery, 50, 686-4. for drilling, prodn., 50, 735.1 ; proper­ Union of Socialist Soviet Republics, ties, 734.4, 735.4. electrochemical industry, book, 50, 649/1. Tungsten carbide (seo also Carboloy, Widia, industry and education, book, 50, 403.1. &c.), Non-Ferrous and Noble Metals Trust, cemented, action of cementing material, problems of priority for scientific and 50, 23/1 ; compared with cemented research worlc, 50, 203/1. tantalum carbide cutting tools, 50, non-ferrous metals, report of fourth 81/1 ; cutting tests on steel, 50, 576.4 ; conforonco, 50, 651/1. cutting tools, economy, 50, 119-4; non-ferrous metals industry, capital lathe tools, cutting tests, 50, 119.4. expenditure in, 50, 779.1 ; dogroo of cutting tools, advantages, 50, 576.4 ; fulfilment of indust, plan during first boring with, 50, 577.4, 768/1 ; cutting 9 months of 1931, 50, 647.1 ; develop­ speeds, 50, 575-4 ; diamond lapping, ment plan, 50, 398/1 ; estimated 50, 387.4 ; examples, 50, 576.1 ; ex ­ prodn. 1933-1937, 50, 202.1 ; geo­ periences at U.S. Naval air base. 50, graphical distribution, 50, 202.1 ; 576.4 ; experiences with, 50, 768.4 ; main lines of standardization, 50, extending field, 50, 262/1 ; grinding, 203/1 ; objectives, 50, 202/1 ; of 50, 705.4 ; lapping, 50, 576/1, 705.4 ; Ural, “ disgraceful results ” during molybdenum cushions for tips, 50, first-half year 1931, 50, 399.4; 576.4 ; savings effocted by use, 50, prodn. programme for 1932, 50, 400.1 ; 576/1 ; use in automobile plant, 50, real and fictitious lowering of prodn. 576.4. costs, 50, 648.4 ; review of progress, electrical conductivity, 50, 419/1. 50, 779-4. formation, 50, 676.4. Zvetinetzoloto, work on standardization, sand-blast jet, 50, 52A. 50, 779.4. separation of \VC and \V2C, 50, 676/1. United States of America, use in glass machinery, 50, 693.4. Aluminum Company of America, history, Tungsten carbide-cobalt cutting tools, tool­ 50, 519-1. bar for uso with, 50, 262-4. American Society for Testing Materials, Tungsten-carbon system, constitution, 50, projects and work, report of cttco., 23-4. 50, 290/1 ; research work, 50, 401*4. Subject Index 879

United States of America, Viscosity of— Bureau of Mines, bibliography of metal­ Silver, 50, 804. lurgical work, 50, 133/1. Silver-copper alloys, 50, 80/1. Bureau of Standards, report, 50, 634. V.L.W. alloys, 50, 2234. industrial research laboratories, rofcrenco Volume changes (soo also Expansion, book, 50, 334/1. and Shrinkage), mineral resources, 50, 403.1, 404.1 ; during solidification, 50, 7704 ; motliod reports, 50, 134/1, 135/1. of dotn., 50, 263/1. National Electric Light Association, Volume changes in— report of underground, systems cttee., Cobalt-carbon alloys on solidification, 50, 25/4. 50, 2264. Rensselaer Polytechnic Institute, de­ Manganese on solidification, 50, 2264, scription of laboratories, 50, 783.4. 4754. Universities, yoar-books, 50, 4584. Manganese alloys during solidification, Uranium, 50, 475/1. electrolytic production, 50, G3G4. Manganese-carbon alloys, on solidi­ -y , docay cooff., 50, 290/1 ; half-valuo fication, 50, 2264. period, 50, 290/1. mineral resources of U.S.A., pamphlet, 50, 4044. Waste, relation to radium, 50, 704. from metal working industries, treat­ titration, olectromotric, with eerie sul­ ment, 50, 2784, 2794. phate, 50, 904. reduction of losses by, 50. 4014. Uranium amalgams, preparation, 50, Water pipe. See P ipes and under names 297/1 ; proportion, 50, 297/1. of metals and alloys. Waukesha metal, corrosion by milk, 50, 3024. Vacuum, melting in. Seo Melting. Wear (seo also Abrasion), Valence, application of quantum theory, study, 50, 243/1. 50, G174. theory, 50, 7514. Valves, wear, 50, 7394. Wear testing machines. Soo Testing Vanadium, machines. booklet, 50, 7174. Wear tests. Seo Testing. estimation, colorimetric, with phospho- Welders, tungstic acid, 50, 5504 ; gravimetric, educational training, 50, 1144, 2594, uso of 8-hydroxyquinoline, strychnine 7604. and brucine, 50, 3 1 1 4 ; vol., 50, instruction, at British Army vocational 4444. training centro, 50, G984. extraction, 50, 1844. Welding, mineral resources, 50, 5G94 ; of U.S.A., acetylene, causes of ignition, 50, 6994. pamphlet, 50, 404/1. acetylene apparatus, testing safety, 50, minerals, 50, 184/1. 0994 ; use of higher pressure, report occurrence, 50, 5694. of Brit. Acotyleno Assoc., 50, 5724. separation, from arsonic, uso of 8-hydr­ Arcatom process, 50, 554, 2584, 3854, oxyquinoline, strychnine, brucine, and 6994. quinolino, 50, 0774 ; from chromium, Arcogen process, 50, 544, 554, 3854. 50, 311/1. atomic hydrogen, progress, 50, 3264, uses, 50, 1844, 5G94. 6994. Vanadium amalgams, autogenous, 50, 113/1, 6994, 766/1. preparation, 50, 297/1. Blau system, 50, 2584. properties, 50, 2974. blowpipes, appns., 50, 1154; multi­ Vanadium-iron-carbon alloys, constitution, flame, 50, 1154, 6994. 50, GOG4, 735/1. books, 50, 4034, 4574, 719/1. Vanadium-iron-oxygen system, constitu­ bronze, 50, 1134. tion, 50, 7354. carbon-arc, 50, 3854, 4594. Vapour pressure of— cleansing flux, uso on reverse side of Lithium, 50, 4184'. weld, 50, 114.1. Varnishes, controlled atmospheres, 50, 456-4. aircraft, pamphlet, 50, 634. electric, Arcatom process, 50, 554, 2854, developments, 50, 4394. 3854, 6994 ; Areogon process, 50, progress in 1931, 50, 3G1/1. 544, 55/1, 385/1; equipment, 50, protection of aircraft materials, 50, 23G4. 1154 ; handbook, 50, 2824 ; potass­ Varnishing of copper, 50, 4394. ium flux, 50, 2584 ; practical hints, Vedal process, 50, 1G24, 2794. 50, 3854. Veining, or sub-boundary structures, 50, electric arc, 50, 3254 ; Arcatom process, G144. 50, 554, 2584 , 3854 , 6994; atomic Vibration strength of metals. See Fatigue. hydrogen process, 50, 2584 ; book, Vicrometal, use for valve seatings, 50, 50, 282/1, 4584, 6514 ; electrodes, 50, G924. 3254 ; installations in Gt. Britain. Vinegar equipment, corrosion, 50, 5474. 50, 554 ; present position, 50, 3854 : 880 Subject Index

Welding, Welding of— use in naval construction, 50, 115.4 ; 50, 501.4 : elect., recommended prac­ with a.c., 50, 699.-1. tice of Aluminum Co. of America, electric resistance, data, 50, 258.4; 50, 1864 ; elect., with carbon elec­ essential considerations when selecting trodes, 50, 326.4 ; elect, arc, 50, 500/1, machines, 50, 116.4; from metallo- 6964, 7 6 5 4 ; elect, resistance, 50, grapliic point of viow, 50, 115.4; 1 1 04; fluxes, 50, 32 44; fluxes, fundamentals, 50, 1164 ; method and compn., properties and appn., 50, apparatus, 50, 544 ; possibilities, 50, 1864 ; furniture, 50, 6974 ; gas-fusion, 3854 ; review, 50, 3854. 50, 1104 ; in U.S.A., 50, 54.4 ; jugs, electrodes, bare wiro and flux-coated, oxy-acetylene, 50, 5004 ; lined vessels, comparison, 50, 554. 50, 5004 : oil storage tanks and ap­ expansion and contraction during, con­ paratus, 50, 1864 ; oxy-acetylene, 50, trol, 50, 7004 . 1104 ; oxy-acetylene, practical hints, facts and figures, 50, 2584. 50, 1S74 ;‘ pipes, 50, 3834 ; repairs forms, use of copper, 50, 544. by, 50, 7664 ; roofing, gutters, &c., forward and backward, comparison, 50, 50, 5004 ; sheet, 50, 1104 ; sheet by 7004. carbon arc, 50, 5004 ; spot-, 50, 7654; gas-, phases, 50, 2584. tank trucks, 50, 5004, 7654. Gasol system, 50, 2584. Aluminium alloys, 50, 4964, 5004; in Switzerland, 50, 7004. autogenous, 50, 2574 ; elect, resist­ industry, growth, 50, 3854. ance, 50, 11 14; oxy-acetylene, 50, overhead, 50, 7004. 383.4 ; oxy-acetylene, practical hints, oxy-acetylene, advances in U.S.A., 50, 50, 1874 ; precautions, 50, 534, 544. 2584 ; appn. to manuf. of chem. Bimetal, 50, 0984. engineering plant, 50, 2584, 6994 ; Brass, 50, 3844, 5014 ; fine wire, oxy- blowpipes, testing for low-pressure aeetylone, 50, 0974 ; oxy-acetylene, ncetylono, 50, 5724 ; books, 50, 2824, practical hints, 50, 1874 ; oxy-acetyl­ 4054 , 4134 (review), 6494 ; effect of ene, 50, 112.4. water vapour in acotyleno, 50, 5014 ; Bronze, 50, 5014 ; extruded sections, elimination of personal element, 50, 50, 0974. 3 8 5 4 ; flame. 50, 1144, 6 9 9 4 ; in Chromium alloys, 50, 113.4. brewery, 50, 3844 ; in chem. industry, Chromium-nickel alloys, 50, 544. 50, 6 9 8 4 ; indust, appns., 50, 1154; Copper, 50, 5014 ; arc-, experiences, 50, Keel multi-flame blowpipe, 50, 3844 ; 2574 ; autogenous, 50, 2574, 0974 ; phases, 50, 2584 ; report of cttoo. of boiling pans, 50, 1124; brewery Internat. Acet. Assoc., 50, 1354 ; plant, oxy-acotyleno, 50, 0974 ; storago of carbide of calcium, 50, bronze-, in acetic acid plant, 50, 188/1; 3854 ; temp, o f flame, 50, 5014 ; with chem. apparatus, 50, 2574 ; gas-, auxiliary reducing flame, 50, 1144. effect, of small addns. in wolding rods, oxy-benzol, 50, 2584. 50, 1874; loco, firoboxes, 50, 2574, oxy-Pintsch system, 50, 2584. 097/1; loco, firoboxes, oxy-acetylene, petrol-oxygen, 50, 3254. 50, 3834, 3844, 5004 ; loco, firebox practical hints, 50, 7004. plates, autogenous, 50, 5004 ; loco.- preheating arrangements, 50, 1144. tube plates and fireboxes, oxy-acotyl­ progress, 50, 1134. eno, 50, 1124 ; oxy-acetylene, 50, rods, for brass and bronze, 50, 55.4. 112/1, 459/1, 5 0 1 4 ; oxy-acetylono, Schelgas system, 50, 258.1. practical hints, 50, 1874 ; practice, re* speeds, 50, 7004. viow, 50, 1124; Promag process, 50, spot, of sheet, 50, 1154. 0974 ; refinery stills, 50, 544, 3834, standard symbols, D IN , 50, 7004. 7054; sheet, 50, 188/1; shoot, oxy- symposium, book, 50, 1324. aeetylone, 50, 7654 ; very thin sheet technology in U.S.A., 50, 544. articles, 50, 383/1 ; wire, butt-, Urgas system, 50, 2584. machine, 50, 5014. Welding machines, Corrosion-resistant alloys, 50, 1134. atomic hydrogen, 50, 554. Duralumin, 50, 1124, 6904, 6 9 7 4 ; in electric, 50, 1154. aircraft, research at U.S. Naval Air­ electric arc, 50, 554 ; a.c., 50, 3204. craft Factory, 50, 1864. electric resistance, 50, 3854. Elektron, 50, 15 54; crankcases, 50, electric spot, 50, 1154, 3264. 698.1 ; danger, 50, 534. spot, heavy-duty, 50, 1154. Everdur, 50, 5724 ; largo vessels, 50, Welding of— 1124. Aircraft parts, oxy-aeetylone, 50, 1804 ; Galvanized iron and steel, 50, 7654. pamphlet, 50, 4594. Galvanized sheet, 50, 1884. Alloys, 50, 11 44; oxy-acetylene, 50, Lead, 50, 1134, 3 8 4 4 ; autogenous, 50, 544. 6974 ; autogenous, history, 50, 1134, Aluminium, 50, 5004, 0904 ; aeroplane 6984 ; book, 50, 589/1, 6514 ; oxy- tanks, oxy-acetylene, 50, 1124 ; auto­ acetylene, 50, 544. genous, 50, 53/1, 257/1; brewery Lead alloys, autogenous, history, 50, plant, oxy-acetylene, 50, 0974 ; elect., 1134, 0984. Subject Index 881

Welding of— White metals, * Magnesium alloys, 50, 490/1 ; fluxes, 50, fillings in rocapping winding ropes, 50, 188/1 ; precautions, 50, 53/1, 54/1. 691/1. Monel metal, 50, 19/1, 113.1, 257.1, 384.4, linings for connecting rods, 50, 692.4. 705/1 ; autogenous, 50, 188/1 ; auto­ Widia (soo also Tungsten carbide), genous, in construction of chem. ap­ cutting tests on chromo-nickel steel, 50, paratus, 50, 257/1 ; elect., 50, 188.1 ; 576/1. in apparatus construction, 50, 54/1 ; cutting tips, soldering, 50, 262A . oxy-acotylono, 50, 113/1; oxy-acotyl- cutting tools, cutting speeds, 50, 262.4 ; ono, practical hints, 50, 187/1 ; prac­ devolopmont, manuf. and capabilities, tical notes, 50, 698/1. 50, 261/1. Nickel, 50, 257/1, 384/1 ; practical hints, manufacture, 50, 262/1. 50, 188.4. properties, 50, 2624. Nickel alloys, oxy-acotylono, 50, 188.1, soldering, 50, 110/4. 698.4. use in coal-mining industry, 50, 692/1. Nickel-brass, 50, 501.1, 765/1. Widmanstatten structure in— Nickel-chromium alloys, 50, 384.1. Aluminium-copper alloys, 50, 485/1. PMG metal, 50, 1 1 2 . 1 . Aluminiuin-magnesium-silicon alloys, Silver-copper-nickel-zinc alloys, 50, 50, 485/1. 606/1. Wiedemann effect, relation to Barkhausen “ Stainless ” steel, 50, 113/1. effect, 50, 74/1. Steel, electric, uso of aluminium in olec- Wire (soo also Filaments), trodos, 50, 326.4. buyer’ s guide, 50, 4074. Thermocouple wires, oxy-acotyleno, 50, cold-drawn, lattice distortion, 50, 191/1 ; 54/1. torsional fatiguo, 50, 1744. Welds, drawn, properties, 50, 574, 191.4. blowholes, 50, 700.4. elastic extension under longitudinal butt-, stross distribution, 50, 174/1. stross, 50, 704. endurance under alternating strosses, 50, electrical-resistance, lifo tests, 50, 298/1. 257/1. fatigue testing, 50, 3134. fatigue, 50, 313/1. fine, apparatus for measuring diam., 50, fatigue strength, 50, 384/1. 6234. fillet, distribution of stress, 50, 698.4. forming dies, 50, 7664. frontal, strength, 50, 114.4. free transmission, endurance strength, inspection, 50, 114.1. 50, 2894, 6574. lap, strength, 50, 114/1. galvanizing. Soo Galvanizing. lateral, strength, 50, 114/1. manufacture, &c., book, 50,7844 (review). pinholes, 50, 700/1. overhead, freely-swinging, stresses, 50, radiology, 50, 43.4, 93.4, 491A, 560A ; 174.4. uso of y -rays, 50, 93.4, 447.4. screen, manuf. and lifo, 50, 3824. resistance to repeated impact, 50, strained, regions of reversod magnetiza­ 257/1. tion, 50, 2174. stress distribution, 50, 384.4. telephone, spectrographic detection of testing, 50, 91/1, 243.4, 490.4, 560.1, thefts, 50, 2794. 766/i ; non-destructive, 50, 91/1,446/1, tensile properties at low temps., 50,4314. 679/1. Wire-drawing, White gold, book, 50, 1394, 4094 (review), 7844 for enamelling, 50, 16.4. (review). losses, during magnetic purification of distortion of wires on passing through filings, 50, 521A. draw-plate, 49, 187 (Paper). production, 50, 539-1. force relations, 50, 2594. treatment, 50, 539A. industry of Birmingham, 50, 702/1. White metals (see also Babbitt metals, Bear- power requirements, 50, 574, 1914 ; ing allays, and undor names of con­ factors involved, 50, 3864. stituent metals), pressure of fluidity, 48, 63. analysis, 50, 364.1. surface temperature of metal during, antifriction, prodn., 50, 580/1 ; require­ measurement, 50, 7664. ments and properties, 50, 179.4. through rotating dies, 50, 1164. ashes and residues containing metal useful and lost work in, 48, 339. prills, treatment, 50, 521.4. Wire-drawing of— bearing, moch. properties, 50, 101-1 ; Brass, 50, 574. mech. properties at different temps., Constantan, 50, 473/1. 50, 429.1. Working, casting of boarings (load-freo) by injec­ mechanical, effect on state of solid sur­ tion mothod, 50, 508-4. face, 50, 714. coatings on mild steel surfaces, adhesion power and energy demands, 48, 337. and fatigue, 50, 558/1. estimation of arsenic, rapid, 50, 167A. estimation of tin, vol., 50, 90/1, 444/1, X-ray analysis (seo also Crystal structure), 555/1. applications in metallurgy, 50, 2374. VOL. L. 4 K 882 Subject Index

X-ray.crystal structure. Seo Crystal struc­ Zinc, ture. 6674 ; rolativo value of cadmium and, X-ray spectrometers. Soo Laboratory ap­ as protoctivo coatings, 50, 4394. paratus. diffusion, into (3-brass, 50, 4704 ; into X-ray spectroscopy, application to metal­ iron, 50, 4704. lurgy, 50, 3644. dissolution by acids, offoct of silvor, 50, X-rays (soo also Radiology), 3574. and structure of matter, book, 50, 5284 drawing, deep-, 50, 5044. (tevicw). electrical conductivity of single crystals, book, 50, 5894. 50, 5964. focussing, methods, 50, 2384. electrical properties of spectroscopically interference, ofïoct of secondary struc­ puro single crystals, 50, 34. ture, 50, 6724. electrical resistance, change under hydro­ static prossuro, 50, 422.-1 ; for temps, below 90° K ., 50, 7264 ; of molten, ** Y ” alloy. Seo Aluminium alloys. 50, 1524. Yorcalbro, 50, 0904. electrode potential, 50, 5 0 4 ; of single crystals, 50, 4524. electrolytic production, comparison of Zimbabwe ruins, metallurgical finds, 50, methods, 50, 4524 ; influence of 5204. cobalt, 50, 3724, 7624 ; investigation Zinc, of anodes, 50, 2514 ; principles, 50, action of coffee, 50, 7404. 3724, 7614 ; rapid detn. of current action of tea, 50, 7404. efficiency in oioctrolysis of zinc analysis, book, 50, 594. sulphate electrolyte, 50, 2524’ anodic polarization in aqueous solns., electrothermic, 50/1004. 50, 6104. endurance strength of singlo crystals, atomic heat near zero abs., 50, 5304. 50, 4674. bibliography, full, 50, 1484. estimation, coating on stool, apparatus boiling point at atm. pressure, 50, 7304. for works, 50, 4444 ; in alloys, book, 50, 2084. potentiomotric, 50, 5 5 6 4 ; in cad­ castability, 50, 3294. mium, rapid, 50, 6774 ; in copper-zino casting, 50, 3314 ; of rods, 50, 5814. alloys, 50, 1684 ; (small amts.) in chromium-plating, 50, 994, 3714. nickel, 50, 6774 ; Rinnmann’s greon coatings, as protection against corrosion- test, 50, 6774 ; vol., 50, 5564. fatigue, 50, 3144 ; flexibility, 50, 314 ; extraction, oloctrotherinic, book, 50, protective value, 50, 324 ; testing, 1394. chem. methods, 50, 3 0 4 ; seo also extrusion pressure, minimum, 48, 51. Galvanized iron and steel. films, registration of cathodo rays, 50, compression fluidity, 48, 48, 56. 2924. corrosion, by acids, 50, 480/1; by milk, fluidity, pressure of, 48, 53. 50, 3024 ; by soa-water, 48, 109; for galvanizing, suitability, 50, 7434. distribution, 50, 2324, 6684, 7414 ; galvanized coatings. Seo Galvanizing, effect of pn. iu oxygenated aqueous indentation fluidity, 48, 49. solns., 50, 3024 ; effect of temp., 50, mechanical properties, full review, 50, 264; influenco of foreign motals on 1484. rate of dissoln., 50, 7404 ; of shoot melting, compn, of kettles for, 50, 5814. contg. 1% lead by acids, 50, 4354. metallurgy, developments, 50, 5214. crystals, fault-like translation, 50, mineral resources, of California and 3424. Oregon, U.S.A., 50, 1344 ; of eastern deposition, anodes for, 50, 7604 ; book, states of U.S.A., 50, 1344 ; of Idaho 50, 604 ; cathodic, from aqueous soln. and Washington, U.S.A., 50, 1344 ; of zinc sulphate, polarization poten­ of Nevada, U.S.A., 50, 1344, 5884 ; tial, 50, 6334 ; detn. of zinc content of U.S.A., 50, 1364, 5894; of Utah, of bath, 50, 5654 ; discoloration of U.S.A., 50, 1344. deposits, 50, 5654 ; effect of mercury molten, elect, resistance, 50, 1524. in cyanide solns., 50, 994, 2494 ; nickel-plating, 50, 994. (electro-) on steel, effect on endurance painting, 50, 7434. properties, 50, 4824, 6704 ; layout physical properties, full review, 50, of small plant, 50, 1784; of chromium 1484. on sheet, 50, 5634 ; on aluminium pigments, developments in uso, 50, and Duralumin, 50, 6694 ; tensions 4394. of deposits, 50, 4514 ; testing of zinc plating, of rolled, 50, 994. salts, 50, 5654 ; throwing power of poisoning and activation, 50, 5974. solns., 50, 474, 6824 (soo also Gal­ printing plates, prodn., 50, 1484, 2904, vanizing). 3424 ; surface troatmont, 50, 2554. deposits, compared witli cadmium de­ production by Coley process, Tunis posits for protection of steel, 50, 4504 ; plant, 50, 4014. factors affecting Preeco test, 50, 481.4, recovery from lead blast-furnace slags, .6704 ; on water-pipes, corrosion, 50, 50, 2774. Subject Index 883

Zinc, Zinc-aluminium alloys, refined, effect of small amts. of im­ Al2Zn3, does it exist?, 50, 6154; purities on properties, 50, 342.-1. improvement, 50, 4724, 7284. refining, electrolytic, 50, 317.-1. boiling point curves, 50, 7364. rods, casting, 50, 581.4. equilibrium relations, 50, 2234. rolling, effect of temp, and impurities, improvement, 50, 4724. 50, 701.4. Zinc-antimony alloys, rolling texture, 50, 3634. boiling point curves, 50, 7364. separation from copper, 50, 168.4. electrolysis of solid, 50, (>65.-1. sheets, anistropy, 50, 420.1 ;, elastic magnetic susceptibility, 50, 3544. modulus, 50, 4204 ; rolled, Poisson’s ZnSb, existenco, 50, 3544. ratio, 50, 4204. Zinc-bronzes, single crystals, alternating torsional corrosion, 50, 3554. tests, 50, 4074 ; elect, conductivity, freezing temperature, 50, 2964. 50, 5964 ; (spectroscopically pure), physical properties, 50, 5374. elect, properties, 50, 34 ; electrodo Zinc-cadmium alloys, potential, 50, 4524 ; hemispherical, boiling point curves, 50, 7364. crystal growth, 50, 6164 ; thermal deposition, barrel, 50, 474. conductivity, 50, 5964. magnetic susceptibility, 50, 3544. supercooling and formation of nuclei, Zinc-cadmium-^copper alloys, deposition 50, 1484. from cyanide baths, 50, 2474. thermal conductivity, at high temps., 50, Zinc-cadmium-silver alloys, properties, 44 ; of singlo crystals, 50, 5964. 50,. 4764. thermal expansion, 50, 7254. Zinc-copper alloys (SCO also Brasses), Thomson coefficient in singlo crystals a-solid solution, solidification, 50, 1594. (spectroscopically pure), 50, 34. analysis, 50, 1684. titration, potentiometric, with potassium B-phase, transformations, X-ray study, forrocyanido, 50," 2424 ; with forro­ 50, 1584. cyanido, overlookod source of orror, boiling point curves, 50, 7364. 50, 2424; with potassium ferro- brazing solders, distillation phenomena, cyanido, 50, 3114. 50, 534, 5004. toxicity, 50, 6924. constitution, X -ray detn. of phase twinning, mechanical, 50, 2904. boundaries, 50, 6724. use, in automotivo industry, 50, 3224, corrosion, potential measurements and 5694 ; in marine construction, 50, dissolu, tests, 50, 544/1. 1844. corrosion-fatigue, influence of chem. wire, elastic extension under longitudinal compn. and heat-troatment on resist­ stress, 50, 704. ance to, 49, 38. Zinc alloys (soo also Eraydc), creep, effect of rocrystn. temp, and book, 50, 2084. grain-size, 50, 4324, 665.1. casting, 50, 3314. creep resistance, 50, 5304. chromium-plating, 50, 3714. diffusion of solid, influence of temp, on constitution, full reviow, 50, 1484. velocity, 50, 6624. die-cast, uses, 50, 524. magnetic susceptibility, effect of plastic die-casting, 50, 2674 ; high-quality, deformation, 50, 6604. uso of higli-grado zinc essential, 50, Zinc-copper-aluminium alloys, constitu­ 5814 ; recommended practice (Ameri­ tion, 50, 2254, 4264, 4274. can), 50, 7744. Zinc-copper-nickel alloys. See N ick el- die-castings, A.S.T.M. tentativo speci­ brasses. fications, 50, 1084, 3234 ; heat- Zinc-copper-tin alloys, treatment, 50, 534 ; plating, 50, constitution, 50, 774. 994, 2484. creep, effect of rocrystn. temp, and for die-casting, 50, 234 ; effect of grain-size, 50, 4324, 665.1. variation of temp, on impact values, Zinc ferrite, formation, 50, 814. 50, 4774 ; new, properties, 50, 1584 ; Zinc-lead alloys, properties, &e., full reviow, 50, boiling point curves, 50, 736.1. 1484. eutectic, 50, 784. for high-temperature service, 50, 4034, Zinc-magnesium alloys, 4324, 4774. a-solid solution range, boundary, X-ray for low-temperature service, 50, 4034, detn., 50, 7324. 4324, 4774. boiling-point curves, 50, 7364. permanent moulds for, 50, 5814. chemical properties, 50, 6044. rolled, bending qualities, relation of electrical conductivity, 50, 104. crystal orientation, 50, 7354. equilibrium diagram, 50, 6044. use, in automotivo industry, 50, 3224, heat-treatment, 50, 6044. 5694. Lorenz number, 50, 104. Zinc-aluminium alloys, physical properties, 50, 6044. age-hardening (Al2Zn3 compn.), 50, solid solutions, homogenized, tensile 7274, 7284. tests, 50, 732/1. a-solid solution, solidification, 50, 1594. thermal conductivity, 50, 104. 884 Subject Index

Zinc-mangauese alloys, Zirconium, constitution, 50, 431.1 ; X -ray study, p, crystal structure, 50, 440.1. 50, 352.1. markets and prices, pamphlot, 50, 140.4. pamphlet, 50, 459-1. mineral resources, 50, 140.1. Zinc-silver alloys, minerals, pamphlet, 50, 140.-1. P-phase, transformations, X-ray study, patents, pamphlot, 50, 110.-1. 50, 158/1. preparation, pamphlet, 50, 140.-1. corrosion, by acids, 50, 357.-1. producers and dealers, pamphlet, 50, properties, 50, 470.-1. 140/1. Zinc silver antimony alloys, constitution, production, pamphlet, 50, 140.-1. 50, 430/1. properties, pamphlot, 50, 140/1. Zinc-silver-copper alloys, transformation point, 50, 70/1. constitution, 50, 064/1. uses, 50, 381.-1 ; pamphlet, 50, 140.-1. review of recent investigations, 50,227/1. Zirconium boride, superconductivity, 50, Zircon. See Refractory materials. 352,1. Zirconia. Soo Refractory materials. Zirconium carbide, superconductivity, 50, Zirconium, 352.4. anodic polarization, chom. nature of Zirconium nitride, superconductivity, 50, oxide layers, 50, 289/1. 352/1.