American Dyestuff Reporter

INDEX TO VOLUME XV

January 1, 1926, to December 31, 1926, Inclusive

Indexed by Subject and Author 5#f

tST ci* fan ...... , pa«i,,...... ;,

K nli:'-- Fan ...... jtftuit“rrK Silk- ^ “*iS l-')ecember 1!)26 AMERICAN DYESTUFF REPORTER 865

Ind ex By Subject

Subject Page Subject Absorption of Colors by Cotton and Wool: Intluencing the...... 700 Dyeing of Celanese: The (D ort)...... Accurate Measurement of Hydrogen Ion Concentration as an Aid to Dveing of Cotton Piece Goods with Mineral Khaki(Hayes)...... 321 the Textile Chemist (Strachan)...... 292 Dyeing of Colton Warps by the “Chain” Method (Sidebottom)...... 667 Acetate Silk—Its Uves and Their Application (Mullin): Dyeing of Haticr’s Felt: The (M arion)...... 351 Part I V ...... 1 Dyeing of Insolubl< Azo Colors (Clark and Borho)...... 311 Part V ...... 43 Dyeing of Men’s Wear Piece Dyes by the Chiomate Process; The Part VI ...... 81 (Smith) ...... • • : ...... ^5? Part VII ...... 139 Dyeing of Silk White Effects on Woolen and Worsteds (Claflin)...... 23 Part V III ...... 153 Dyeing of Ihiioii Shades on Hosiery Containing Rayon, Pure Silk and Part I X ...... 191 Mercerized Cotton (Ordway)...... 884 I n d e x ...... 285 Dyeing of Vat Colors on Rayon; The (Warshaw)...... 3 Acetate Silk: The Dyeing of (Davies)...... 197 Dyeing of Viscose Rayon with Mordant Dyes: The (Durfee)• 22 Acetate Silk: The Dyeing of (Raetel)...... _• • • 387 Dyeing of Weighted Silk Piece Goods: Practical Aspects of Weighting Aftertreatment on the Fastness to Light of the Xaphthol AS Combina and the (Pullar)...... •.•••*.;...... tions: Investigations on the Influence of the (Kayser)...... 638 Dyeing of Worn Garments and Redyeing of New Material (Schultze). . 640 American Association of Textile Chemists and Colorists Dyeing 100 Years Ago: The Art of...... 695 [See under “Proceedings”] Dyeing Rayon with Vat Colors (Johnson)...... 162 American Chemical Society: Dyeing Silk Piece Goods' A Brief Resume of the History of (Know- Papers of the Dye Division...... 587 land) ...... 183 Report of Dye Division...... bl5 Dyeing: Textile (Robbins) ...... 605 Division of Water. Sewage and Sanitation—Abstracts...... 654 Dyeing with Indarthrene Blue GCD (D urst)...... 505 American Cotton Industry: The.^...... ^...... 556 Dyers and (Cleaners Have Research Institute...... 236 American Dyes: Production and Sales of, Increased in 1925...... 288 DYER’S SCHOOL OF EXPERIENCE: THE: Amino Acids and Their Relation to Wool: The (M ullin)...... 445 Tracing Complaints That Nearly Cost a Job (W hite)...... 8o Amino and Carboxylic Groups and Sulphur in Wool: The (M ullin)... 499 Tricks in All Trades (W hite)...... 17*^ Aniline Poisoning from the Dye Baths? (Beattie)...... 567 More Sleuth Work (W hite)...... 217 Anti-Dumping Law: The (Lerch)...... 519 Researching Under Difficulties (W hite)...... 289 Application of Resorcin in Calico Printing (Schneevoigt)...... 504 Blaming the Bleach House for the Padder’s Fault (Baxter)...... 399 Application of X-rays in the Textile Industry (Clark)...... 788 Competing for Blacks (W hite)...... 399 Artificial Silk Adventures in Chiffon Dyeing (W hile)...... 431 (See also under “Rayon”] A Barrel of Trouble (W hite)...... 461 Artificial Silk: Determination of Alpha-C'ellulose Content in (Wahlberg) 398 A Dyehouse Tyrant (W hite)...... 517 Artificial Silk: The Stretching Properties of...... 118 Problems in Pipe Lines and Water (W hite)...... 696 August Klipstein ...... A Few Pertinent “Parables” (White)...... 773 Azo Dyes: The Reduction Products of (Holmes) Early “Lab” Troubles (Hang D o)...... 837 [See under “Reduction”] Dyes Imported [See “Foreign” ] . Dyestuffs Industry, Forerunner of What: The (Du P ont)...... 627 Batik (Mijer) ...... - ...... ^...... ■■■■;...... Dyestuff Manufacturer and Consumer: The Relation Between (Metz) 825 Bleachery Management: Elimination of Waste in (Conrad)...... 283 DYESTUFF TABLES ...... *••3?, 70, 102 Bleaching with Peroxides (AinsUe)...... 203 Dyestuff Trade-—Import and Export Charts for 1925-26: United States 76.3 Blinding of Viscose with Insoluble Azo Colors: The (Rowe)...... 538 Brief Resume of the Disposal of Trade Wastes: A (H adley).....^...... 209 EDITORIALS; Brief Resume of the History of Dyeing Silk Piece Goods: A (Know- Retrospections of a Spectator...... 37 land) ...... ^^3 Shade (Jard Information Regarding Action of Dyes to Metals...... 38 Mr. Frear Again...... 67 Calico Printing: The Application of Resorcin in (Schneevoigt)...... 504 The Commercial League of Nations...... 67 Celanese: Printing and Discharging of Colors on (Milne)...... 886 Inconsistent Efficiency—A Story for Rayon Manufacturers...... 93 Cellulose: A Brief Consideration of Its Chemistry, with Particular Ref Leaders Must Lead...... 93 erence to the Manufacture of Rayon (Erselen)...... 166 Standing Guard Over the Tariff Law...... 137 Cellulose Needed: Standard...... - ...... 615 The British Dyestuffs S itu atio n ...... 169 Chain Warps Vat Dveing: Problems of (Ephland)...... A Plea for Reform in Rayon Buying Practice...... 215 Chemical Executives to Meet at Bureau of Foreign and Domestic Com An Invitation ...... 216' merce ...... 805 Retire the Cripples...... 216 Chemical Foundation Suit: Government Loses...... 694 Still Outside the Ranks of the Progressive...... 235 Chemical Reactions of Keratin and Its Congeners: The (Mullin): .A New Twist to an Old Story...... 267 Part I ...... Safety Is Nearing First...... 267 Textile Chemical Specialties—Their Merits and Demerits...... 297 Choice of Solvent in Spectrophotometric Dve A nalpis: The (Holmes) 247 Looking at the Dark Side...... 298 Classification of Cotton by Microscopy (Mebane and \ ibrandt)...... 2/9 The Responsibility of the Dyer in Rayon Buying...... 335 Collecting the Literature of Textile (Goldthwait)...... o^2 The Indispensable Chemist...... 335 Color Lakes: Rapid Identification of (Robinson)...... Inefficiency and Dyeing Costs...... 369 Constitution of Wool: The (Mullin).... . j...... A Lesson in Curing Price Competition...... 401 Co operation Between Buyer and Seller (R and)...... The Textile Institute Idea and Research...... 429 Corrosion of Nickel Alloy Singe Rolls (Travis) • ■ ■ ■ ...... Turning Summer Dullness to Profits...... 429 Corrosion Preventative: Sodium Silicate as a (Russell)...... or The Looming Tariff Fight...... 455 Cotton: Oiling of. Preliminary to Spinning (Hinckley) ...... The Future of the Dyeing A rt...... 487 Cotton Oiling Process and Its Relation to Finishing: Some Phases of The Sun on the Textile Horizon...... 487 Manufactured News ...... 520 Cotton Printing: New Developments in (Cotton)...... 42a Admirable Co-operation ...... 520 Cotton Textile Institute: The Purposes of the (Law)/2i The A. C. S. Dye Symposium...... 555 Cotton: Textile Oils Applicable in the Dyeing and Finishing of (Burn- The Fall and Rise of the B. D. C ...... 555' Unworkable Patents ...... 555 ham) ...... ■■■ ■ ...... 49 The Dyer Knows...... 583 Cott°n Warps ify the “Chair.” Method: Dyeing of (Sidebottom)...... 667 Beneath Trade-mark and Guarantee...... 583 Cruger’s Micro-analyser: A Description and Use of...... A Lesson in Industrialism...... 584 Forerunner of W hat?...... • ...... 625 Collecting the Literature of Dyeing...... 62.5 Daylight Lamps: Recent Improvements 498 The Growing Prestige of the Chemist...... 655- Determination of Alpha-Cellulose Content in Artificial Silx (Wahlberg) A Neglected Source of Information...... 655- Developments in Mercerization (H atch)..---...... i’ IN-ii...... Asleep— or Just Slow ?...... 693 Developments in the Naphthol AS Senes (Hager and Maisson)...... Finis, and a Clean Victory...... 693 Discharge of Vat Colors by Reduction (K ern)...... Penny Wisdom in the Dyehouse...... 731 Discharge Printing (Dean)...... 'A ‘ '' ‘ * ‘ ’r ...... 647 An All-British Chemical Trust...... 731 Dispersion of Dye in Dye Liquors: Influence o ( ) ...... Busy Textile Mills...... 731 The Tariff Fight Develops...... •...... 769 Dry Cleaning Tests: Need for >V‘' Z' ...... 879 Arbitrate! ...... 769 The Moral in European Mergers...... 804 E7e “ s^; ?hrChoRtof^Sô“ f; On Collecting Technical Literature...... 804 Dve Production Increased, Cen.sus Shows...... Where Rayon Dyeing Troubles Start...... 835 Dve Research: Scientists Discuss...... g j2 Germany’s Lost Dyestuff Trade...... 835 Worth .Studying ...... 836. Bye M“x‘l'u re s:^ T h f stecPôphmorn^^^^^^ ( L S e r g e r ) ...... M7 The Mill Executive and the A. A. T. C. C ...... 887 The Dye Industry Invites More Interest...... 887 Effects of Ironing and Steaming on Cotton and W ool...... 819' (Bouterse) • • ...... / X’i' ’ ' . 472 Elimination of Waste in Bleachery Management (Conrad)...... 283 - Acetate Silk: The (Davies)...... \ l ' Fading Experiments with the Osram Point Light Lamp (Hochheim Dyeing of Acetate (Roetel)...... in« and Knebel) ...... 227 Dyeing Artificial Silk or Rayon: A Cjeneral Survey of the (O lney;.. 1^9 Fast Dyed Fabrics: The Increasing Demand for (Van Riper)...... 515 D^'îng o i Bast Fiber and Straw: The (Flemming)...... 2d0 S()(i AMERICAN DYESTUFF REPORTER Vol. XV, No. 22

Sul)jcct Page Subject Page Fastness of Dyes to the Influence of Light: The (Rose)...... 90 Dyeing Hanks ...... 531 Pastness to Light of Naphthol Coml)inations: Oi\ the (Loechner)...... 749 Blue-(TTeen Dyestuffs ...... 531 Pastness to Light of the Naphthol AS Comi)inations: Investigations on Manufacturing Vat Dyes...... 531 the Influence of the Aftertreatment on the (Kayser)...... 638 Hosiery Drying Form ...... 531 Fastness Standards Discussed by Misbranding Committee: Dye...... 888 Treatment of Cot'ton Fabrics...... 531 c Finishing in the Cotton Industry; A Contribution to the Development Azo Dyestufl's ...... 552 •I of the Chemical Methods of (Bodmer)...... 814 Reduction of Azo Conqioumls...... 552 A P'inishing of Worsted Cloth: The (Johnson)...... 356 Triazo Dyestuffs ...... ■ • • 552 V Foieign Dyes Imported Through New York and Other Ports: Violet Vat Dyes...... '...... 552 V: December ...... 45 Dyestuffs C'ontaining Metals...... 552 a January ...... 143 Vat Sulphide Dyes...... 552 a P'ebruary ...... 194 Yellow Azo Dye...... 552 March ...... 249 Black Cotton Dye...... 552 . lei April ...... 363 Azo Dye ...... 552, 553 £ May ...... 425 Diazo Dyestuffs ...... 552 June ...... 475 Blue Dye for Wool...... 552 Settin July ...... 558 Conditioning Yarn ...... 552 ScOtKI September ...... 713 Sizing Cellulose...... ♦...... 553 ih October ...... •...... 785 Colored Cellulose Plastics...... 553 Scoufi P>anklin Process Raw Stock Dyeing Machine (Metacalf)...... 186 Improving Artificial Silk...... •...... 553 1} I'ranklin Process System of Dyeing: The (Murray)...... 316 Purification of Anthraquinone...... 553 Stlieii Furs: The Processing of (Baird): Preparing Artificial Silk Yarn...... 594 safi Part I ...... 115 Violet V'at Dye...... 594 b i Part II ...... • ...... 171 Cloth-Finishing Apparatus ...... 595 sail Pi Gagnebin, Charles L., and Plerbert W. Reed: Dinner to ...... 656 Triazo Dyestuff ...... 59o V' Garment Dyeing (Hathorne)...... 813 Dyestuffs Containing Metals...... • ...... 595 Silk: ■ General Action of Acids on Wool; The (M ullin); Treating Silk and (,'eliulose...... 595 IB Part I ...... 751 Dyeing Ajiparatus ...... •...... 665 Part II ...... 779 Azo Wool Dye...... 704 Silk: ' General Survey of the Dyeing of Artificial Silk or Rayon: A (Olney) 109 Hydrosulphiles in Stripping...... •...... 704 Silki: German Dye Trust: Current Fusions Within the (Daugherty)...... 592 Dyeing Bone ...... 704 sak w German Dye Trust: Current Happenings in the...... 456 Azo Dyes ...... •...... 704 Siugt 1 Government Publications Dealing with Textiles...... 278 Diazo Dyestuffs ...... 705 Soaps Test-Tube Holder ...... 705 Soiiiffl Plard Water and Its Effect on the Scouring of Cotton and Wool L^nions Multi-Color Effects ...... 705 Soltm'- (Morris) ...... 845 Waterproofing Materials ...... 705 Hatter’s Felt: The Dyeing of (Marion)...... 351 Saturating Fibers ...... '. 705 (E Plistory and Development of Bronze Printing; The (Gaumnitz)...... 77 Bleaching Process ...... • ...... 843 Soithf! Hydrogen Ion Concentration and Its Application to Textile Industries Greasing Textile Fibers...... 843 S p te m (Trotman) ...... 577 Treating Textile Material...... 843 Spectre Plydrogen Ion Concentration as an Aid to the Textile Chemist; The Azo Dyestuff ...... 843 Siaodai Accurate Measurement of (Strachan)...... 292 Sulphur Black ...... 843 Stfamii Hydrosulphites: The Manufacture and Use of (Hollander)...... 723 Patents for Textile Inventions: How to Obtain English (Vagg)...... 465 Straw: Peroxides; Bleaching with (Ainslie)...... 203 Stretchi Importance of the Technical Man to the Textile Industry: The Philadelphia Textile School Lines Dye Kettles...... 771 Studi • (Brooks) ...... 158 Piece Dyeing: The Cause of Faults in (Heuthwaite)...... 642 To: Increasing Demand for Fast Dyed Fabrics: The (Van Riper)...... 515 Poisoning from the Dye Bath?: Aniline (Beattie)...... 567 Salph) INQUIRY DEPARTMENT; Power in the South (Lee)...... 830 Solpku Luster on Woolen Y arn...... 586 Practical Aspects of Weighting and the Dyeing of Weighted Silk Piece Dischargeability Test ...... 586 Goods Q-^ullar) ...... 123 International Textile Exposition...... • 274 Practical Hints on the Production of Bright Colors on Textile Fabrics Inter-relation of Light and Color in Dyeing...... 472 (Sansone): Ironing and Steaming on Cotton and Wool: Effects of...... 819 Part XIX ...... 374 I Part XX ...... 41U Keratin and Its Congeners: The Chemical Reactions of (Mullin): Part XXI ...... 439 Part I ...... 633 Part XXII ...... 452 Part II ...... 675 Part X X Iir ...... 493 Knitting Arts Exhibition...... '...... 235 Part XXIV ...... 528 Part XXV ...... 543 Laboratory, The Mill Chemical—Its Co-ordination with the Mill Pur Part XXVI ...... ; ...... 651 chasing Department (Burke)...... ••••...... Printing and Discharging of Colors on Celanese (M ilne)...... 886 Laundering of Fabrics Containing Rayon and Other Synthetic Fibers. . 397 Printing: Discharge (D ean)...... 717 Light and Color in Dyeing: Inter-relation of...... 472 Printing: The History and Development of Bronze (Gaumnitz)...... 77 Liquid Sulphur Dioxide and Its Products, and Their Use in the Textile Print Works: Technical Difficulties in, and a New Aid to Their Solu Industry (Johnson) ...... 682 tion (Tagliani) ...... 767 Aim, Livermore, William D. (obituary)...... 728 Problems of Chain Warp Dveing (Ephland)...... 165 Bleed Resolution in Memory of...... 796 PROCEEDINGS OF THE AMERICAN ASSOCIATION OF TEXTILE Ba ir d . Lowell Textile School Graduation...... 433 CHEMISTS AND COLORISTS—3, 49, 89, 119, 157, 197, 231, 251. Uef: 291, 315, 355, 389, 477, 510, 645, 681. 715, 755, 787, 821, 847. Making, Dveing and Finishing Worsteds in the South (Purdy)...... 510 Production and Sales of American Dyes Increased in 1925...... 288 MEN OF MARK IN THE FIELD OF DYES AND THEIR APPLI Processing of Furs: The (Baird): BAMBEI CATION: Part I ...... 115 T k t & Axel J. Jorgensen...... ‘ Part II ...... 171 B A X T ti Men’s Wear Piece Dyes bv the Chromate Process: The Dyeing oi Protein Compounds (Mullin): Dyer's (Smith) ...... Part I ...... 583 Mercerization: Developments in (H atch)...... 715 Part II ...... 571 B EA TTI Mercerized Material: _ Tests for...... 682 Part III ...... 607 Anilini Metz Given Testimonial Dinner...... ^...... •...... 770 Proteins in General and Wool in Particular: The (Mullin)...... 413 V BEAni Micro-Analyzer: A Description and Use of Cruger’s...... 96 LER Micro-Analysis of Textiles; A New Instrument for the (Seavy)...... 759 Rapid Identification of Color Lakes (Robinson)...... 81u „ A Still Microscopes and Daylight Lamps: Recent Improvements in ...... 522 Raw Stock Dyeing Machine:^ Franklin Process (Metcalf)...... 18u B0M!£] Microscopy: Classification of Cotton by (Mebune and Vilbrandt) . .. . 279 Rayon [See a’so under “Artificial ,Silk” and “Acetate Silk’’] A Coni Mill Chemical Laboratory—Its Co-ordination with the Mill Purchasing Ravon (Johnson); POUTER, Department: The (Burke) ...... ‘ ' VtU ' ’ ...... lo? Part I ...... 807 Mineral Khaki: Dyeing of Cotton Piece Goods with (Hayes)...... 321 Part II ...... 808 Mordant Dyes: The Dyeing of Viscose Rayon with (Durfee)...... 22 Rayon: A General Survey of the Dyeing of Artificial Silk or (Olney) 109 Rayon and Other Synthetic Fibers; Laundering of Fabrics Containing. . 397 Naphthol AS Combinations: Investigations on the Influence of the Rayon: Cellulose—A Brief Consideration of Its Chemistry, with Par Brn-Si Aftertreatment on the Fastness to Light of (Kayser) ...... 638 ticular Reference to the Manufacture of (Esselen)...... 116 Naphthol AS in Printing and Dveing: A Discussion on (Kielbasinski) 673 Rayon: Dry-Cleaning ...... 492 Naphthol AS Series: Developments in the (Hager and Marsson)...... 6 Rayon Fabrics; Uneven Dyeing of (Cook)...... 766 Naphthol Combinations: On the Fastness to Light of (Loechner)...... 749 Rayon Field: Possible Research Developments in the (Dillenius)...... 681 OUrk, ( New Developments in Cotton Printing (Cotton)...... 'a ' <...... Rayon with Mordant Dyes: The Dyeing of Viscose (D urfee)...... 22 New Solvents Made by the Hydrogenation Process (Killheffer)...... 345 Rayon with Vat Colors: Dyeing (Johnson)...... 162 dARK, c Rayon: The Dyeing of Vat Colors on (W arshaw)...... 3 Odors in Textiles; Research Chemists Determine Chief cause of...... 554 Reduction Products of Azo Dyes: The (Holmes)— 72, 100. 179, 221, Oiling of Cotton Preliminary to Spinning (H inckley)...... ------13 240, 269, 302, 374, 405, 436, 450, 490, 523, 549, 587, 658, 701. Oils Applicable in the Dyeing and Finishing of Cotton: Textile (Burn- Redyeing ...... 57o Redyeing of New Material: The Dyeing of Worn Garments and Oil S p^y: Scouring. Bleaching and Dyeing Cotton Which Has Been (Schutze) ...... r Treated with (Grimshaw)...... 876 Research Plans Discussed at Silk Association Annual Meeting...... 268 Olney Honored: Professor...... Resorcin: The Application of, in Calico Printing (Schneevoiet)...... 504 Ortho-Cresolinic Anilide: A Study of Some Derivatives of (Beattie REVIEWS: Dow, Indigo, Midland Vat. Liba Blues...... 69 and Toepler) ...... • V ' ‘i’'' 1 G'‘ Vi'‘ Osram Point-Light Lamp: Fading Experiments with the (Hochhemi The Bleaching. Dyeing and Chemical Technology of Textile Fibers. . ."^99 IHEt [“frent and Knebcl) ...... Zinc Oxide—History, Manufacture and Properties as a Pigment...... 299 The Industrial Applications of Coal Tar Products...... 300 PATENTS: , Eriochrome Colors ...... 300 Summary for 1925...... Naphthol AvS ...... 300 "IS! Method of Spotting Y arn...... ^^3 Factory Practice in Manufacture of Azo Dyes...... 300 Government Specifications for Textile Materials...... 301 "fuS Comparative Study of Paper Fillers...... 301 Chemical Production and Research...... 443 Research Associates at Bureau of Standards...... 301 Waterproof Shade Fabric...... 443 Intermediates for Dyestuffs...... 404 \pos^: Dye, December 27, 1926 AMERICAN DYESTUFF REPORTER 867

rx, ■ * Subject Page Subj ect Page Technical Man to the Textile Industry: The Importance of (Brooks).. 15 A Bibliography on Research...... 460- Technical Difficulties in the Print Works and a New Aid to Their Journals. Bulletins, Patents by Members of Mellon Institute...... 460 Solution (Tagliani) ...... 767 Distnbution of Textiles...... • ...... 460 TECHNICAL NOTES FROM FOREIGN SOURCES—41. 74, 105, 146, Subject Index, U. S. Government Specifications...... 461 177, 219, 240, 276, 306, 339, 377, 408, 441, 457, 496, 526, 564, 596, Chemistry at Princeton...... 557 661, 703, 742, 775, 809, 842. Transportation Costs ...... 557 Temperature, or the Influence of Heat on Washing (Guernsey)...... 422 American Engineering Standards Year Book...... !!!!.*.! 557 Tests for Mercerized Material...... 582 Tear Book, National Association of Cotton Manufacturers...... 657 Textile Chemist: The (Greene)...... 822 Dyeing with Coal Tar Dyestuffs...... 734 Textile Dyeing (Robins)...... 605 Chemistry of Cellulose and W ood...... 811 Textile Oils Applicable in the Dyeing and Finishing of Cotton (Burn Use of Glue in Coated Paper...... 811 ham) ...... 709 Rhea, Oldest and Newest of Textile Fibers (H ill)...... 251 Textiles: Government Publications Dealing with...... • ...... 278 Role of Chemistry in the Manufacture of Silk: The (Scott)...... 621 Throwing as Related to Piece Dye Silks (Lewis)...... 120 Trade Wastes: A Brief Resume of the Disposal of (Hadley)...... 209 Turkey Red Oil and Its Competitors (Pomeranz)...... 577 Scouring Efficiency and Its Relation to Dyeing...... 541 •Scouring of Cotton *and ool Unions : Hard Water and Its Effect on Union Shades on Hosiery Containing Rayon, Pure Silk and Mercerized the (Morris) ...... 845 Cotton: Dyeing of (Ordway)...... 884 Scouring. Bleaching and Dyeing Cotton Which Has Been Treated with U. S. Chemical Trade Holding Its Own...... 732 Oil Spray (Grimshaw)...... '...... 876 Selecting Dyes from an Artificial Memory (D urfee)...... 393 Vat Colors by Reduction: Discharge of (K ern)...... 52 Silk Piece Goods: A Brief Resume of the History of Dyeing (Know- Vat Colors on Rayon: The Dyeing of (Warshaw)...... 3 land) ...... 183 Vat Dyes for Wool (Seibert)...... 56 Silk Piece Goods: Practical Aspects of Weighting and the Dyeing of Vat Dyes on Cotton (Tice)...... 4y Weighted (Pullar) ...... Viscose 123 with Insoluble Azo Colors: The Blinding of (Rowe)...... 538 Silk: The Dyeing and Finishing of, from the Clonsumer’s Standpoint (Bouterse) ...... 125 Warp Vat Dyeing: Problems ofChain (Ephland)...... 165 Silk: The Role of Chemistry in the Manufacture of (Scott)...... 621 Washing: Soap’ Building— One of a Series on Scientific...... 383 Silks: Throwing as Related to Piece Dye (Lewis)...... 120 Water and Its Effect on the Scouring of Cotton and Wool Unions: Silk White Effects on Woolen and Worsteds: The Dyeing of (Claflin) 23 Hard (Morris) ...... 845 Singe Rolls: Corrosion of Nickel Alloy (Travis)...... 601 Water, Sewage and Sanitation, American Chemical Society: Abstracts Soap Building— One of a Series on Scientific Washing...... 383 —-Division of ...... 654 Sodium Silicate as a Corrosion Preventive (Russell)...... 61 Weighting and the Dyeing of Weighted Silk Piece Goods: Practical Solvents Made by the Hydrogenation Process: New (Killheffer)...... 345 Aspects of (Pullar)...... 123 Some Phases of the Cotton Oiling Process and Its Relation to Spinning Wool in Particular: The Proteins in General and (Mullin)...... ;. .. 413 (Earle) ...... 18 Wool: The Amino Acids and Their Relation to (Mullin)...... 445 Southern Textile Exposition Largest Yet Held...... 772 Wool: The Amino arid Carboxylic Groups and Sulphur in (Mullin).. 499 Spectrophotometric Dye Arialysis: The Choice of Solvent in (Holmes) 247 Wool: The Constitution of (Mullin)...... 468 Spectrophotometric Evaluation of Dye .Mixtures: The (Holmes)...... 189 Wool: The General Action of Acids on (Mullin): Standards Bureau Reports on Its Dye Studies...... 812 Part I ...... 751 Steaming on Cotton and Wool: Effects of Ironing and...... 819 Part II ...... • ...... 779 Straw: The Dyeing of Bast Fiber and (Flemming)...... 230 Wool— The Introduction to a Series (Mullin)...... 245 Stretching Properties of Artificial Silk...... 118 Woolen and Worsteds: The Dyeing of Silk White Effects on (Claflin) 23 Study of Some Derivatives of Ortho-Cresotinic Acid: A (Beattie and W'orker’s Health and Prosperity: The (Williams)...... 837 Toepler) ...... 745 Worsted Cloth: The Finishing of(Johnson)...... 356 Sulphonated Oils (Crowe)...... 379 Worsteds in the South: Making, Dyeing and Finishing (Purdy)...... 510 Sulphur Dioxide and Its Products, and Their Use in the Textile Indus r try: Liquid (Johnson)...... 682 X-rays in the Textile Industry: Application of (Clark). 788 y Index of Authors

Author Page Author Page A INSLIE, THOMAS D.— DURFEE, W ALTER C.— Bleaching with Peroxides...... 203 Selecting Dyes from an Artificial Memory...... 393 BAIRD, W ILLIA M D.— DURFEE. WINTHROP— The Processing of Furs: The Dyeing of Viscose Rayon with Mordant Dyes...... 22 Part I ...... 115 Part II ...... 171 DURST, GUSTAVE— BAMBERGER, L. L.— Dyeing with Indanthrene Blue GCD...... 505 The Dyeing and Finishing of Cotton Piece Goods...... 317 EARLE, DR. RICHARD B.— BAXTER, GEORGE L.— Some Phases of the Cotton Oiling Process and Its Relation to Fin Dyer’s School of Experience...... 399 ishing ...... 18 BEATTIE, FREDERICK S.— EPHLAND, C. R.— Aniline Poisoning from the Dye Bath?...... 567 Problems of Chain Warp Dyeing...... 165 BEATTIE, FREDERICK S. (in collaboration with CARL TO EP ESSELEN, G. J., JR.— LER)— Cellulose; A Brief Consideration of Its Chemistry, with Particular A Study of Some Derivatives of Ortho-Cresotinic Anilide...... 745 Reference to the Manufacture of Rayon...... 166 BODMER, A — FLEMMING, DR.— A Contribution to the History of the Development of the Chemical The Dyeing of Bast Fibers and Straw...... 230 Methods of Finishing in the Cotton Industry...... 814 GAUMNITZ, OSKAR— BOUTERSE, PETER V.— The History and Development of Bronze Printing...... 77 The Dyeing and Finishing of Silk from the Consumer’s Standpoint.. 125 GOLDTHWAIT, CHARLES F.— BROOKS, DR. E. C — Collecting the Literature of Textiles...... 802 The Importance of the Technical Man to the Textile Industry...... 158 GREENE, EDWIN FARNHAM— BURNHAM, FRANK E.— The Textile Chemist...... 822 Textile Oils Applicable in the Dyeing and Finishing of Cotton...... 709 GRIMSHAW, A. H.— CLAFLIN, ALAN A.— Scouring, Bleaching and Dyeing Cotton Which Has Been Treated The Dyeing of Silk White Effects on Woolen and Worsteds...... 23 with Oil Spray...... 875 CLARK, GEORGE L.— GUERNSEY, F. H.— Application of X-rays in the Textile Industry...... 788 Temperature, or the Influence of Heat on Washing and Sanitation, . 422 CLARK, O. W. (in collaboration with E. R. BORHO)— HADLEY. W ALTER E.— Dyeing of the Insoluble Azo Colors...... 311 A Brief Resume of the Disposal of Trade Wastes...... 209 CONRAD, W. L.— HAGER, DR. H. E. (in collaboration with W. R. MARSSON) — Elimination of Waste in Bleachery Management...... 283 Developments in the Naphthol AS Series...... 6 COOK, A. A.— “HANG DO’’— Uneven Dyeing of Rayon Fabrics...... 766 The Dyer’s School of Experience...... 837 COTTON, WILLIAM— HATCH, J. M.— New Developments in Cotton Printing...... 325 Developments in Mercerization...... 715 CROWE, JO SEPH B.— HATHORNE, B, L.— Sulphonated Oils ...... •...... 379 Garment Dyeing ...... 813 DAUGHERTY, WILLIAM T.— HAYES, S. L.— Current Fusions Within the German Dye Industry...... 592 Dyeing of Cotton Piece Goods with Mineral Khaki...... 321 DAVIES, HARRY R.— HEUTHW AITE, J. STEPHEN— The Dveing of Acetate Silk...... 197 The Cause of Faults in Piece Dyeing...... 642 DEAN, JAM ES D.— HILL, H, MORTON— Discharge Printing ...... 717 Rhea, Oldest and Newest of Textile Fibers...... 251 DILLENIUS, JO H N F.— HINCKLEY, E. H.— Possible Research Developments in the Rayon I'leld...... 681 Oiling of Cotton Preliminary to Spinning...... 13 DORT, ROBERT G — HOBBS, FRANKLIN W.— The Dveing of Celanese...... 258 Address, Fifth Annual Meeting, A. A, T. C. C...... 29 DU PONT, IRENEE— HOCHHEIM, E. (in collaboration with E, KNEBEL) — The Dyestuffs Industry, I’orerunner of \Miat ?...... 627 Fading Experiments with the Osram Point Light Lamp...... 227 AMERICAN DYESTUFF REPORTER Vol. XV, No. 22

Author PaKo Author Page OLLANDEK, t'HARLES S.— The General Action of Acids on Wool: 1 he Manufacture tuul h'se of llydrosulphitcs...... 72.5 Part 1 ...... 751 OLMES, W ALTER C.— Part II ...... 779 The Reduction Products of Azo Dyes— 72, 100, 179, 221, 240, 269, MURRAY, J D. - .502, .574, 4n,S, 4.56, 4,50, 490, ,52.5, 549, 587, 658, 701. ’The E'ranklin Process System of Dyeing...... 516 The .Spectrophotometric Evaluation of Dye Mixtures...... 189 OLNEY, PROF. L. A.— The Choice of Solvent in .Speclrophotonietric Dye .\nalysis...... 247 A General Survey of the Dyeing of Artificial Silk or Rayon...... 109 ORDWAY, CHARLES B.— CBB.-XRD, CLARENCE C.— Dyeing of P'nion .Shades on Hosiery Containing Rayon, Pure Silk The Need for Dry Cleaning Tests...... 885 and Mercerized Cotton...... 884 VCKSON, FLOYD E.— PtlMERANZ, IT— Textile Defects Encountered in Dry Cleaning...... 879 Turkey Retl Oil and Its Competitors...... 579 JHNSOX, C. W.— PULLAR, CARL A.— Liquid Sulphur Dioxide and Its Products, and Their Use in the Practical Aspects of Weighting and the Dyeing of Weighted Silk rty Textile Industry ...... 682 Piece Goods ...... 123 DHNSON, ERNEST A.— PURDY, JAMES H.— The E'inishing of Worsted Cloth...... 356 Making, Dyeing and Finishing Worsteds in the .South...... 510 Ace ilHNSON, CEORGE H.— RAND, W ILLIAM M.— Rayon: Co-operation Between Buyer and Seller...... 389 Part I ...... 807 ROBBINS, W ILLIAM K.— s Part II ...... 839 Textile Dyeing ...... 605 DIIN SON, M, T.— ROBINSON, SAUL— Dyeing Rayon with Vat Colors...... 162 Rapid Identification of Color Lakes...... 816 ONES, DR. GRINNELL— ROESTEL, R.— Address, Fifth Annual Meeting, A. A. T. C. C ...... 28 Influence of Dispersion of Dye on Dye Liquors...... 647 ;ayser, E,— ROETEL, B.— Investigations on the Influence of the Aftertreatment on the Fastness The Dyeing of Acetate Silk...... 387 to Light of the Naphthol AS Combinations...... 638 ROSE, R. E — ;ERN, JEAN— The E'astress of Dyes to the Influence of Light...... 90 Discharge of Vat Dves on Cotton...... 51 ROWE, F. M.— ilELBASINSKI, DR. W.— The Blinding of Viscose with Insoluble Azo Colors...... 538 A Discussion on Naphthol AS in Printing and Dyeing...... 673 RUSSELL, R. P.— ilLLHEFFER, ELVIN H.— Sodium Silicate as a Corrosion Preventive...... 61 New Solvents Made by the Hydrogenation Process...... 345 SANSONE, RAFFAELE— INEBEL, E. (in collaboration with E. H O C H H EIM )— Practical Hints on the Production of Bright Colors on Textile Fading Experiments with the Osram Point-Light Lamp...... 227 Fabrics: INOWLAND, DANIEL P.— Part XIX ...... 374 S in A Brief Resume of the History of Dyeing Silk Piece Goods...... 183 Part XX ...... 410 3: ,AW, JO H N A.— Part XXI ...... 439 .9 The Purposes of the Cotton Textile Institute...... 721 Part XXII ...... 452 .EE, W. S.— Part XXIII ...... 493 Power in the South...... 830 Part XXIV ...... 528 .ERCH, JO H N G.— Part XXV ...... 543 The Anti-Dumping Law...... 519 Part XXVI ...... 651 .EWIS, L. C — SCHNEEVOIGT, A.— Throwing as Related to Piece Dve Silks...... Oj 120 The Application of Resorcin in Calico Printing...... 504 lot .OECHNER, LUDWIG— SCHUTZE, PA U I^ On the Fastness to Light of the Naphthol Combinations...... 749 The Dyeing of Worn Garments and Redyeing of New Material...... 640’ JARION, S.— SCOTT, W ALTER M.— The Dyeing of Hatters’ Felt...... 351 The Role of Chemistry in the Manufacture of Silk...... 621 -lARSSON, W. R. (in collaboration with DR. H. E. HAGER)— SEAVY, M. J.^ J Developments in the Naphthol .\S Series...... 6 A New Instrument for the Micro-analysis of Textiles...... 759 S ^EBANE, W. M. (in collaboration with F. C. VILBRANDT)—• SEIBERT, CHARLES A.— Classification of Cotton bv Microscopy...... 279 \'at Dyes for Wool...... 56 »iti .lETCALF, G. T.— SIDEBOTTOM, 1 EON W.— Ii Franklin Process Raw Stock Dyeing Machine...... 186 Dyeing of Cotton Warps by the “Chain” Method...... 667 II dETZ, H. A.— SLOSSON, EDW IN L.— D The Relation Between Dyestuff Manufacturer and Consumer...... 825 Address, Fifth Annual Meeting, A. A. T. C. C...... 30 Silk dllER, PETER— SMITH, L. T.— P Batik ...... 419 The Dyeing of Men’s Wear Piece Dyes by the Chromate P rocess.... 382 dILL.\RD, DR E B.— STRACHAN, DR. E. K.— At'IHC Address, Fifth Annual Meeting, A. A, T. C. C ...... 25 The Accurate Measurement of Hydrogen Ion Concentration as an Ainslii dlLNE, WILLIAM— Aid to the Textile Chemist...... 292’ Bb' Printing and Discharging of Colois on Celanese...... 886 TAGLIANI, G.— dOFFAT, FRASER— Technical Difficulties in the Print Works and a New Aid to Their P jp t Address, Fifth Annual Meeting, A. A. T. C. C ...... 26 Solution ...... 767 .Ip dORRIS, MERRILL G.— TICE, M. E.— Bonies Hard Water and Its Effect on the Scouring of Cotton and Wool Vat Dyes on Cotton...... 49 Ilti pinions ...... 845 TOEPLER, CARL (in collaboration with FREDK. S. BEATTIE) — Brooks. dULLIN, CHARLES E.— A Study of .Some Deriv.atives of Ortho-Cresotinic Anilide...... 745 Paptr Acetate Silk—Its Dyes and Their Application: TRAVIS, JOHN T — te Part IV ...... 1 Corrosion of Nickel-Alloy Singe Rolls...... 601 Part V ...... • ...... 43 TROTMAN, E. R.— Pi[»r Part VI ...... 81 Hydrogen Ion Concentration and Its Application to Textile Indus „ 'oii Part VII ...... •...... 139 tries ...... 577 C lark.! Part V n i ...... 153 VAGG, CHARLES E.-^ Part IX ...... 191 How to Obtain English Patents for Textile Inven ions...... 465 Wool—The Introduction to a Series...... 245 VAN RIPER, W. F.— Utton.\ The Proteins in General and Wool in Particular...... 413 The Increasing Demand for Fast Dyed Fabrics...... 515 P aptr The Amino Acids and Their Relation to W ool...... 445 VILBRANDT, F. C. (in collaboration with W. M. MEBANE)— The Constitution of W ool...... 465 Classification of Cotton by Microscopy...... 279 The Amino and Carboxylic Groups and Sulphur in W ool...... 499 WAHLBERG, DR. H. E.— Determination of Alpha-Cellulose Content of Artificial Silk...... 398 PM Protein Compounds: WARSHAW, FLOYD F.— Part I ...... 533 The Dyeing of Vat Colors on Rayon...... j- Part II ...... ■...... 571 W HITE, NOEL D.— Oilltnius Part III ...... 607 The Dyer’s School of Experience—86, 174, 289, 399, 431, 461, 517 The Chemical Reactions of Keratin and Its Congeners: 547, 696, 773. Part I ...... 633 WILLIAMS, HELEN LORENZ— Part II ...... ■...... 675 The Worker’s Health andl Prosperity...... 337- o ft

t 1 “ k. D, Bapfr- > Fii

T'«. C Faptt.It

TV raptr; ..Preaireat( ?." 3 “ritl

>rape,. ] . : December 1926 AMERICAN DYESTUFF REPORTER cS69

Index to Proceedings of American Association of Textile Chemists and Colorists January 1, 1926, to December 31, 1926, Inclusive

Page Page Accurate Measurement of Hydrogen Ion ('oncentration as an Aid to the Hayes, S. L .: Textile Chemist: The (Strachan). Paper...... 139 Paper: Dyeing of Cotton Piece Goods with Mineral Khaki (N. Y. Application of X-ravs in the Textile Industry (C'lark). Paper...... 234 Sec., Apr. 23, ’26)...... 151 ASSOCIATION (Parent Body)— Hill, H. Morton: Fifth Annual Meeting, Dec. 4 and 5, ’25...... 1 Paper: Rhea, Oldest and Newest of Textile Fibers (No. N. E. Sec., Saturday Afternoon Session: Feb. 27, ’26)...... 123 The Dyeing of Vat Colors on Rayon (Warshaw). Paper...... 1 Plinckley, Everett H : Developments in the Naphthol AS Series (Hager and Marsson) . . 4 Paper: Oiling of Cotton Preliminary to Spinning (5th Ann. Mtg., Oiling of Cotton Preliminary to Spinning (H in c k le y )...... 11 Dec. 5. ’25)...... 11 Some Phases of the Cotton Oiling Process and Its Relation to Plollander, Charles S .: Finishing (Earle) ...... ; ...... 1^ Paper: The Manufacture and Use of Hydrosulphites (R. I. Sec., The Dyeing of Silk White Effects on Woolens and Worsteds Oct. 15, ’26)...... 217 (Claflin) ...... Hubbard. Clarence 21C : Fifth Annual Banquet...... 22 The Need for Dry Cleaning Tests (6th Ann. Mtg., Dec. 4, ’26 ).... 285 Address by Dr. E. B. Millard...... 23 Jackson, Lloyd E .: Address by Fraser Moffat...... 24 Paper: Textile Defects Encountered in Dry Cleaning (6th Ann. Address by Dr. Grinnell Jones...... 26 Mtg., Dec. 4, ’26)...... 281 Address by Fianklin W. Hobbs...... 2/ Johnson, C W^.- Add less by Dr. Edwin E. Slosson...... 28 Paper: Liquid Sulphur Dioxide and Its Products, and Their Uses Association Prize for 1926...... 177 in the Textile Industry (N. Y. Sec., Sept. 24, ’26)...... 199 Sixth Annual Meeting, Dec. 3 and 4, ’26...... 245 Johnson, Ernest A.: Announcement of Program...... 223 Paper: The Finishing of Worsted Cloth (N. N. E. Sec., Apr. 24, ’26) 165 Sixth Annu'l Banquet...... •...... 246 Johnson, M. T .: The Textile Chemist (Greene)...... 24t> Paper: Dyeing Rayon with V’’at Colors (So. Sec., Jan. 23, ’26 ).... 94 The Relations Between Dvestuff Manufacturer and Consumer Kern, Jean : (Metz) ...... ,...... 249 Discharge of Vat Colors by Reduction (N. Y. Sec., Nov. 20, ’25).. 38 Address by Vice-President...... Lee, W. 252 S .: Power in the South (Lee)...... 254 Address: Power in the South (6th Ann. Banquet, Dec. 4, ’26 ).... 254 Open Ferum Session...... '...... 25/ Lewis, L. C.: Saturday Mornifig Scssic7i: ^ Throwing as Related to Piece Dye Silks (N. Y. Sec.. Jan. 22, ’26) 72 Secietary’s Report ...... ;^65 Law. John A .: Address: The Purposes of the Cotton Textile Institute (So. Sec., Report of Committee on Light Fastness...... 266 Oct. 16, ’26)...... 215 Rep'^rt of Committee on Fastners of Silk...... 271 Marsson, W. R. (with H. E. Hager); Report of Conimittee on l)>ed and Printed Cotton...... 272 Paper: Deve’opments in the Naphthol AS Series (5th Ann. Mtg.. Scouring. Bleaching and Dyeing Cotton Which Has Been J reated Dec. 5. ’25)...... 5 with Oil Spray (Grimshaw). Paper...... 278 Metz. PI. A.: Textile Defects Encountered in Dry Cleaning (Jackson). Paper. , 281 Address: The Relation Between Dyestuff Manufacturer and Con The Need for Dry Cleaning Tests (Htibbard)...... 285 sumer (6th Ann. Banquet, Dec. 4, ’26)...... 249 Dyeing of Union Shades on Hosiery Containing Rayon, Pure Milne, Wîlliam: Silk and Mercerized Cotton (Ordway). Paper...... 286 Paner; Printing and Discharging of Colors on Celanese (6th Ann. Printing .and Discharging of Colors on Celanese (Milne)...... 288 Mtg.. Dec. 4, ’26)...... 288 Murray, J. D.: AUTHORS— The Franklin Process System of Dyeing (So. Sec., Apr. 17, ’26).. 14o Ainslie, Thomas D .: Ordway, Charles B .: Bleaching with Peroxides (N. Y. Sec , Feb. 26, 26)...... 107 Paper: Dyeing of Union Shades on Hosiery Containing Rayon, Bamberger. L. L .: l- Pure Silk and Mercerized Cotton (6th Ann. Mtg., Dec. 4, ’26).. 286 Paper- The Dyeing and Finishing of Cotton Piece (/oods (So. oec., Pullar, (Jarl A.: Apr, 17 ’26)...... ^47 Practical Aspects of Wêighting and the Dyeing of Weighted Silk Bouterse, Peter V.: ^ , o j • '7-r Piece Goods (N. Y. Sec., Jan. 22, ’26)...... 75 The Dyeing and Finishing of Silk from the Consumers Standpoint // Purdy, James H.: Brooks, £)r. E. C.: , -i t Paper: Making, Dyeing and Finishing Worsteds in the South (So. Paper: The Importance of the Technical Man to the Textile In Sec.. July 17. ’26)...... 188 dustry (So. Sec., Jan. 23, ’26)...... 90 Rand. W’illiam M.: Claflin, Alan A.; Address: Co-operation Between Buyer and Seller (R. T. Sec., May Paper: The Dyeing of Silk V^’hite Effects on Woolens and W ors 21, ’26) ...... 173 teds (5th Ann. M'g., Dec. 5, ’25)...... 21 Rose, Dr. R. E .: Clark, George L .: _ . -r , / tvt xt t- Communication: The Fastness of Dyes to the Influence of Light.. 67 Paper: Application of X-rays in the Textile Industry (N. N. L. Russell, R. P .: Sec., Oct. 30, >26)...... 234 Sodium Silicate as a Corrosion Preventive (R. I. Sec., Nov. 18, ’25) 47 Cotton, William: . , c a Seavy, M. J .: Paper- New Developments in Cotton Printing (N. V. tiec., Apr. Address: A New Instrument for Micro-analysis of Textiles (N. Y. 23, ’26) ...... '55 Sec., Oct. 29. ’26)...... 229 Davies, Harry R .: ^ ini Seibert, Charles A.: The Dyeing of Acetate Silk (R. I. vSec., Feb. 19, 26)...... 101 Vat Dyes for W’ôol (N. Y, Sec., Nov. 20, ’25)...... 42 Dean, James D .: Strachan, E K.: Paper: Discharge Printing (So. Sec., Oct. 16, 26)...... - li Paper: The Accurate Measurement of Hydrogen Ion Concentration as an Aid to the Textile Chemist (R. I. Sec., Mar. 19, ’26)...... 139 Dillenius, John F .: . , t-- /■\j \r Paper: Possible Research Developments in the Rayon hield (iN. Y. Tice, M. E .: Sec., Sept. 24, ’26)...... l"' Vat Dyes on Cotton (N. Y. Sec., Nov. 20, ’25)...... 35 Dort, Robert G.: ^ _ Van Riper. W. F .: Paper: The Dyeing of Celanese (N. Y. Sec., May 26, ’26)...... 13U Paper: The Increasing Demand for Fast Dyed Fabrics (So. Sec., Durfee, W’'alter C.: _ . July 17, ’26)...... 193 Selective Dyes from an Artificial Memory...... W'arshaw, Floyd F .: Durfee, Winthrop C.: • a Paper: The Dyeing of Vat Colors on Rayon (5th Ann. Mtg., Dec. Paper- Dyeing of Viscose Rayon with Mordant iJves (5th Ann. 5, ’25) ...... 1 Mtg„ Dec, 5, ’25)...... 20 Wuth. Dr, B.: Earle, Dr. Richard B.: i t n i Address (N. Y. .Sec., Oct. 29, ’26)...... 227 Paper: Some Phases of the Cotton Oiling Process and Its Relation Bleaching with Peroxide (Ainslie). Paper...... 107 to Finishing (5th Ann. Mtg., Dec. 5, ’25)...... 16 Brief Resume of the Disposal of Trade Wastes (Hadley). Paper...... 113 Celanese: Pîn+ing and Discharging of Colors on (Milne). P a p e r..... 288 ^'^Pap'er’: Problems of Chain Warp Vat Dyeing (S,o. Sec,, Jan. 23, ’26) 97 Cellulose: A Brief Consideration of Its Chemistry, with Particular Reference to the Manufacture of Rayon (Esselen)...... 98 Esselen, G. J., Jr.: „ , r'c • . -.u Paper: Cellulose: A Brief Consideration of Its Chennstry, with Chain Warp Vat Dyeing: Problems of (Ephland). Paper...... 97 Particular Reference to the Manufacture of Rayon (Plnla. Sec., COMMUNICATIONS— Feb. 18, ...... The Fastness of Dyes to the Influence of Light (Rose)...... 68 Selecting Dyes from an Artificial Memory (Durfee)...... 177 Greene, Edwin Farnham: , , . „ . ia a Address: The Textile Chemist (6th Ann. Banquet, Dec. 4. 26)...... 246 Co-operation Between Buyer and Seller (Rand)...... 173 Cotton Oiling Process and Its Relation to Finishing: Some Phases of ^"^Paperr Scouring, Bleaching and Dyeing Cotton Which Has Been (Earle). Paper ...... lo Treated with Oil Spray (6th Ann. Mtg., Dec. 4, 26)...... 278 Cotton Printing: New Developments in (Cotton). Paper...... 155 Cotton Textile Institute: The Purposes of (Law). Address...... 215 Hadley, Waller E.: , ,ir /xt o t? i A Brief Resume of the Disposal of Trade Wastes (X. V. Sec., Feb. COUNCIL— 26, ’26) ...... ;• ...... Meeting, Dec. 4, ’25 ...... ^5 Hager, H. E. (with W. R. Marssou): , ^ Meeting, Jan. 29, ’26 ...... 87 Paper- Developments in the Naphthol AS Senes (5th Ann M.g.. Meeting, Mar. 5, ’26 ...... 119 Dec. 5, ...... ^ Meeting, Apr. 16, ’26 ...... 170 Meeting, June 25, ’26 ...... 184 ^^PapU^: ^Developments in Mercerization (So. Sec., Oct. 16. ’26)----- 209 Meeting, Oct. 1, ’26 ...... 205 MÔ AMERICAN DYESTUFF REPORTER Vol. XV, No. n

PuKtJ Page A Meeting, Nov. 5, ’26 ...... 242 Manufacture and I'se of ilydrosulpliitcs: The (Hollander)...... 217 Resolution in Memory of W’illiam 1). Livermore...... 242 New Developments in Cotton i’rinling (Cotton)...... Amendment to Article \'III ...... •...... 243 New Instrument for Micro-analysis, of Textiles: A (Seavy)...... 229 l)eveloi>menls in the Naphtliol AS Series (Hager and Marsson). Paper 4 Oiling of Cotton Preliminary to Spinning (Hinckley)...... ^ Hischarge of \'at C'olors bv Jêductioii (Keni). F’apcr...... 38 Peroxides: Bleaching with (Ainslie)...... Discharge Printing (Dean). Paper...... 211 Possible Research Developments in the Rayon J’'ield ( jlilleiiius). . . • • 197 Dry Cleaning Tests: The Need for (llul)bard)...... 285 I'raclical Asjiccts of Weighting and the Dyeing of Weighted Silk Dry Cleaning: Textile Defects Encountered in (Jackson). Paper...... 281 Piece Goods (Pullar)...... 75 Dyenig and J-inishing of ('otton Piece (ioods (Bamberger). P ap e r.... 147 I’rinting and Discliarging of Colors on Celanese (M ilne)...... 288 Dyeing and Finishing of Silk from the Consumer’s Standpoint: The Problems of ('haiii Warp Vat Dyeing (Ephland)...... 97 (Bouterse) ...... 77 Rhea, Oldest and Newest of Textile Fibers (H ill)...... • 123 De« Dyeing of Acetate Silk: The (Davies). Paper...... 101 Scouring, Bleaching and Dyeing Cotton Which Has Been I'reated with Dyenig of (.'elanese: The (Dort). Paper...... 131 Oil Spray (Grimshaw)...... 278 Dyeing of (Jotton Piece Goods with Mineral Khaki (Hayes). P aper... 151 Sodium Silicate as a Corrosion I’reventive (Russell)...... ^. . . 47 Dyeing of Silk W’hite Effects on Woolens and Worsteds: The ((Jlaflin). Some Phases of the Cotton Oiling Process and Its Relation to Fin Paper ...... 21 ishing (Earle) ...... 16 Dyeing of \'at Colors on Rayon: The (Warshaw). Paper...... 1 Textile Defects Encountered in Dry Cleaning (Jackson)...... 281 Dyeing of Viscose Rayon with Mordant Dyes (Durfee). P a p e r ....;.. 20 Throwing as Related to Piece Dye Silks (Lewis)...... • 72 Dyeing of Weighted Silk Piece Goods: Practical Aspects of Weighting Vat Dyes for Wool (Seibert)...... 42 and the (Pullar). Paper...... 75 V’at Dyes on ('otton (Tice)...... 35 Dyeing Rayon with Vat ('dors (Johnson). Paper...... 94 PHILADELPHIA SECTION— Fast Dyed Fabrics: The Increasing Demand for (Van Riper). Paper.. 193 Meeting, Feb. 18, ’26...... 98 Fastness of Dyes to the Intluence of Light: The (Rose)...... 6b Cellulose: A Brief Consideration of Its Chemistry, with Particular Finishing of Worsted Cloth: The (Johnson). Paper...... 166 Reference to the Manufacture of Rayon (Esselen). Paper...... 98 Franklin Process System of Dyeing (Murray). Paper...... 146 Meeting, Mar. 19, ’26...... 121 Hydrogen Ion Concentration as an Aid to the Textile Chemist: The Power in the South (Lee). Address...... 254 Accurate Measurement of (Strachan). Paper...... 139 Practical Aspects of Weighting and the Dyeing of Weighted Silk Piece Hydrosulphites: The Manufacture and Use of (Hollander). Paper... 217 Cioods (Pullar). Paper...... 75 Importance of the Technical Man to the Textile Industry: The Printing and Discharging of Colors on Celanese (Milne). Paper...... 288 (Brooks). Paper ...... 90 Printing: Discharge (Dean), Paper...... ■ 211 Liquid Sulphur Dioxide and Its Products, and Their b’se in the Textile Rayon: Cellulose: A Brief Consideration of Its Chemistry, with Par Industry (Johnson). Paper...... 198 ticular Reference to the Manufacture of (Esselen)...... 98 Making, Dyeing and F'inishing Worsteds in the South (Purdy). Paper 188 Rayon Field: Possible Research Developments in the (Dillenius). Paper 197 Mercerization: Developments in (Hatch). Paper...... 209 Rayon with Mordant Dyes: Dyeing of Viscose (Durfee). Paper...... 20 Micro-analysis of Textiles: A New Instrument for (Seavy)...... 229 Rayon with Vat Colors: Dyeing (Johnson). Paper...... 94 Mineral Khaki: Dyeing of Cotton Piece Goods with Ulayes). Paper.. 151 Relations Between Dyestuff Manufacturer and Consumer: The (Metz). Naphthol AS Series: Developments in the (Hager and Marsson). Paper 4 Address ...... 249 New Developments in Cotton Printing (Cotton). Paper...... 155 RESEARCH COMMITTEE — SLWi NEW YORK SECTION— Meeting, Dec. 4, ’25 ...... 86 Meeting, Nov. 20, ’25...... 35 Meeting, Jan. 29, ’26 ...... 87 Vat Dyes on Cotton (Tice)...... 35 Meeting, Mar. 5, *26 ...... 120 Discharge of Vat Colors by Reduction (K ern)...... 38 Meeting, Apr. 16, ’26 ...... •...... 176 The Cl Vat Dyes for W’ôol (Seibert)...... 42 Meeting, June 25, ’26 ...... 181 Meeting, Jan. 22, ’26...... 71 Meeting, Oct. 1, ’26 ...... 207 Throwing as Related to Piece Dye Silks (Lewis)...... 72 Report of Committee on Light Fastness (6th Ann. Mtg., Dec. 4, ’26) 266 Practical Aspects of Weighting and the Dyeing of Weighted Silk Report of Committee on Fastness of Silk (6th Ann. Mtg,, Dec. 4, ’26) 271 Piece Goods (Pullar)...... • ...... 73 Report of Committee on Dyed and Printed Cotton (Cth Ann. Mtg.. Dec. 4, ’26)...... 272 The Dyeii'g and Finishing of Silk from the Consumer's Stand . - point (Bouterse) ...... 77 Rhea, Oldest and Newest of Textile Fibers (Hill). Paper...... ,* ! 123 Meeting, Feb. 26, ’26...... 107 RHODE ISLAND SECTION— v / 1 Bleaching with Peroxides (Anslie). Paper...... 107 Sodium Silicate as a Corrosion Preventive (Russell)...... 47 A Brief Resume of the Disposal of Trade Wastes (Fladley). Paper 113 Meeting, Dec. 18, ’25 ...... •...... ] * 67 Meeting, Mar. 26, ’26...... 130 Meeting, Jan. 22, ’26 ...... 67 The Dyeing of Celanese (Dort). Paper...... 130 Meeting, Feb. 19, ’26 ...... !..!.! ...... 101 l*r; Meeting, Apr. 23, ’26 .... •...... 151 The Dyeing of Acetate Silk (Davies). Paper...... 101 Dyeing of Cotton Piece Goods with Mineral Khaki (Hayes). Paper 151 Meeting. Mar. 9, ’26 ...... ' 139 dfe New Developments in Cotton Printing (Cotton). Address...... 155 The Accurate Measurement of Hydrogen Ion (Concentration as an Meeting, May 28, ’26...... 179 Aid to the Textile Chemist (Strachan), Paper...... 139 Fthe Summer Outing ...... •...... 183 Meeting, May 21 ,’26...... 173 Meeting, Sept. 24, ’26...... 197 Co-operation Between Buyer and Seller (RandV. ’Paper...... 173 and iherei Possible Research Developments in the Rayon Field (Dillenius). Meeting, Oct. 15, ’26...... *’ 2I6 Paper ...... 197 The Manufacture and Use of Hydrosulphites ^Hollander).''pkper!! 217 of ad Liquid Sulphur Dioxide and Its Products, and Their Uses in the Meeting, Nov. 12, ’26...... 241 Textile Industry (Johnson). Paper...... 198 Selecting Dyes from an Artificial Memory (DuM ee)\'' Communication! ! 177 I’erv pi Meeting, Oct. 29, ’26...... 226 btik from the Consumer’s Standpoint: The Dyeing and Finishing of Address by Dr. W u th ...... ^...... 227 (Bouterse) ...... 77 Patent A New Instrument for Micro-analysis of Textiles (Seavy). Address 229 Silk Piece Goods: Practical Aspects of Weighting knd Vhe Dyeing'of Weighted (Pullar). Paper...... ^ Po- This NORTHERN NEW ENGLAND SECTION— Sodium Silicate as a Corrosion Preventive (Russell) ' Paper...... 47 Meeting, Feb. 27, *26...... 123 Rhea, Oldest and Newest of Textile Fibers (Hill). Paper...... 123 Some Phasesôf the Cotton Oiling Process and Its Relation'to Finish Meeting, Apr. 24, *26...... 165 SOUTHERN SECTION— ...... add idth The Finishing of Worsted Cloth (Johnson). Paper...... 166 Meeting, Jan. 23, ’26...... 39 Summer Outing ...... •...... 132 The Importance of the Technical Man to ’ tlie' 'fextiie ' Industry Meeting, Oct. 30, *26...... 233 (Brooks) ...... ■' 9Q siilphonic Application of X-rays in the Textile Industry (Clark). Paper...... 234 Dyeing Rayon with Vat Colors (Johnson). Paper * "*" 94 Oiling of Cotton Preliminary to Spinning (Hinckley). Paper...... 11 Problems of Chain Warp Dyeing (Ephland). Paper! i i ...... 97 amino jrou Oiling Process and Its Relation to Finishing: Some Phases of the Meeting, Apr. 17, ’26...... J45 Cotton (Earle). Paper ...... 16 ' add and j?. Oil Spray: Scouring, Bleaching and Dyeing of Cotton Which Has Been The Franklin Process System of Dyeing (Murray)."'Papei-i i i i 146 The Dyeing and Finishing of Cotton Piece Goods (B am berger).... 147 Treated with (Grimshaw). Paper...... 278 Meeting, July 17, ’26...... ® I 187 o-naphtlivij PAPERS— Accurate Measurement of Hydrogen Ion Concentration as an Aid to Making, Dyeing and Finishing Worsteds in the South (Purdy)'. «tvI-P-nap, the Textile Chemist: The (Strachan)...... 139 The Increasing Demand for Fast Dyed" Fabrics "(Van "Riper')'. Application of X-rays in the Textile Industry (Clark)...... 234 raper ...... , q., »*'>c add Bleaching with Peroxides (Ainslie)...... 107 Kesolution ...... q^ ivT Brief Resume of the Disposal of Trade Wastes (Hadley)...... 113 Meeting, Oct. 16, ’26...... 209 1 dye Cellulose: A Brief Consideration of Its Chemistry (Esselen)...... 98 Developments in Mercerization (Hatch). Paper! i i ...... 209 hliiisi].. Developments in Mercerization (H atch)...... 209 Discharge Printing (Dean). Paper...... ; ...... | | ...... o il Developments in the Naphthol AS Series (Hager and Marsson)...... 4 The Purposes of the Cotton Textile Institute (Law) ' *214 Discharge of Vat Colors by Reduction (K ern)...... 39 Secretary s Report ...... 226 Discharge Printing (Dean)...... 211 Thi Dyeing and Finishing of Cotton Piece Goods: The (B am berger).... 147 Treasurer’s Report ...... •!•!..!!."!!!!."!...... 226 Sulphur Dioxide and Its Products, and Tlieir Use in the Textile In Dyeing and Finishing of Silk from the Consumer’s Standpoint: The dustry: Liquid (Tolmson)...... 90 (Bouterse) ...... 77 (Aote-,]- Technical Man to the Textile Industry: The"im*p'o'r*tance"of" the Dyeing of Acetate Silk: The (Davies)...... 101 (Brooks). Paper ...... „„ Dyeing of Celanese: The (D ort)...... 130 Textile Chemist: The (Greene). Address___ i i *...... 046 Dyeing of Cotton Piece Goods with Mineral Khaki (Hayes)...... 151 Throwing as Related to Piece Dye Silks (Lewis). Paper.*!...... Dyeing of Silk White Effects on Woolens and Worsteds: The 72 Trade Wastes: A Brief Resume of the Disposal of (Hadley*)' * Paper* 111 ’PP''cationi (Claflin) ...... 21 L nion Shades on Hosiery Containing Rayon, Pure Silk and Mercerized Dyeing of Union Shades on Hosiery Containing Rayon, Pure Silk and Cotton: Dyeing of (Ordway). Paper...... 286 tish p . Mercerized Cotton (Ordway)...... 286 Vat Colors by Reduction: Discharge of (Kern), P ap er!!!...... ra Dyeing of Vat Colors on Rayon: The (Warshaw)...... 1 Vat Colors on Rayon: The Dyeing of (Warshaw). Paner...... '’1 Dyeing of Viscose Rayon with Mordant Dyes (Durfee)...... 20 Vat Dyes for Wool (Seibert), Paper...... Dyeing Rayon with Vat Colors (Johnson)...... 94 Vat Dyes on Cotton (Tice). Paper...... :iot Finishing of Worsted Cloth: The (Johnson)...... 106 Warp Vat Dyeing: Problems of Chain (Ephland). Paper...... 07 Franklin Process System of Dyeing: The (M urray)...... 146 Weighting and the Dyeing of Weighted Silk Piece Goods- * Pr'acii'c'ai ' Importance of the Technical Man to the Textile Industry: The i (Brooks) ...... 90 Wcolens and Worsteds; The Dyeing of Silk White Effects oii (Claflinl Increasing Demand for Fast Dyed Fabrics: The (Van Riper)...... 193 Paper ...... _ Liquid Sulphur Dioxide and Its Products, and Their Uses in the Worsted Cloth: The Finishing of (Johnson). Paper...... Textile Industry (Johnson)...... 198 Worsteds in the South: Making, Dyeing and Finishing (Piird-ii'i h'cUl,'.. 100 Making, Dyeing and Finishing Worsteds m the South (Purdy)...... 188 X-rays in the Textile Industry: Application of (Clark), Paper 234