Manulaclurer of Maynard F. Ayhr, '+5, Geologist for Denver"Sub-A" The California Company, has been trans­ Ffoiaiion /Machines... ferred to their Denver office in the U. S. Standard the National Bank Building, Plis new mailing address is Box 780, Denver 1. World Over Byro7i B. Boalrighl, '22, Vice-President of Conroe Drilling Company, is addressed Box 755, Austin, Texas. Martin P. Brown, '36, has been trans­ ferred from Bremerton, Washington, to China Lake, California, with address Box 303. He is Civil Engineer for Navai Ship­ Standard-Reliable—Efficient yard. Thomas L. Chapman, '06, has recentlj' Equipment for Flotation, moved to Redwood City, California, where he is addressed 1893 Bay Shore Highway. Cyanidation, Amalgamation, fVai Siiey Chin, '+9, is taking graduate work in Chemical Engineering at the Uni­ Gravity Concentration versity of Texas and resides at 1909 Red River, Apt. 5, Austin, Texas. Barton E. Coles, Jr., '49, Reservoir Engi­ "7^ -^inftt iAat ttut^ied 4tA ^wSeWd •^ftfifice^. /ietiitAi&t. and ineaiiAien.' neer for the Atlantic Refining Company, has a new residence address, 66ll Ken- well Street, Dallas 9, Texas. DENVER EQUIPMENT COMPANY Haskell R. Collins, '39, is Product Con­ P.O. BOX 5268 • DENVER 17, COLORADO troller, Carrier Corporation, residing at D!HVFR n, CaLORtDS: P.O. So 52Eg roanHlB, BKTARIS: 4S SictaDEid SIfdl WISHSdN. . m. ENGtlKD: Siilitiiry Hoiise 114 Fordam Road, Syracuse, N. Y. HEW mt cm I, ".Y.: 4114 lw\\\t Stitt Ui.ViUiCQSVEH , B. C: ]Di Credit fsnclE; JDHtXKESBURE, S. ATRIEA: 8 «flljj[c Roid J. IV. R. Crawford, III, '+8, Field Geol­ MFXICS, S. V, tdlliclD fEdio de Ginle, GanlRIEHMOKSi 7 , «iiS!Rlt!i: S3D Vktoili Sliiet ogist for The Caiifornia Company, is at present in Casper, Wyoming, with ad­ dress Box 837. P. IV. Crawford, '22, has been trans­ SEND YOUR ASSAY WORK TO ferred by Frontier Refining Company from Lusk to Cheyenne, Wyoming. His address is, 1905 East Ltncolnway. 2U4 Curtis Street MAin 1852 Denver, Colorado James R, Cross, '49, has another change of residence address, to 2977 Courtland GOLD OR SILVER, 75c EACH Blvd., Shaker Heights 27, Ohio. He is Complete Price List on Request, Prompt Service—Accurate Results Junior Engineer for Standard Oil Com­ pany (Ohio). Major Vincent L. Denunzio, '23, has moved to California since his retirement, now making his home at 165 E. Avenue, SPECIAL SHEET AND PLATE FABRICATION Cor on ado. J.loyd H. Donnelly, '31, has moved his "TANKS FOR YOUR BUSINESS" residence to 1250 Sherman Street, Apt. 201, Denver. The moving of the main offices of Tbe Dorr Company from New York City to ENGINEERS DESIGNERS FABRICATORS Barry Place, Stamford, Conn., has affected the mailing addresses of Frank A. 4800 YORK ST. DENVER, COLO. TABOR 7205 Downes, '13, Vice-President in charge of Aibuquarque — BMIings — Casper — Great Fails — Hutchinson — Omaha — Phoenix Research and Development, Donald Dyrenforth, '12, Manager, North Ameri­ can Sales and E. R. Ramsey, '12, Presi­ dent; the three now having the new ad­ dress. Manufacturers of Lincoln F. Elkins, '40, Special Projects "National" Brands Safety Fuse for use in all Blasting Operations Engineer for Sohio Petroleum Company, has a new office address in Oklahoma City, Brands 1300 Skirvin Tower. IVilliam H, Erlckson, '+7, completed his Sylvanite Black Monarch Bear Black Aztec Triple Tape work at the University of Virginia Law School, and has returned to Denver with business address 626 University Building. JValter A. Funk, '03, Retireii, resides at 3151 East Colorado Street, E. Pasadena DENVER, COLORADO Established 1900 S, Calif. Lee JV. Gibson, '40, Independent Oil Rocky Mountain Distributors—Primacord-Bickford Detonating Fuse for Producer and ConsuUant in Reservoir deep well blasting. Engineering, has moved from Huntington Beach to Riverdale, California, with post office address Box 34. Horace N. Goodell, '42, has been trans- ferre(l by the Union Oil Company, for whom he serves as District Geologist, from Laramie, Wyoming, to Denver, where he is now addressed Paramount OIL PRODUCERS AND ROYALTIES Building, 1631 Glenarm Street. CATTLE GROWERS George IV .Hoffman, Jr., '48, Junior 506 Neil P. Anderson Building Engineer for Continental Oil Company, Wahh Division,48 Addlngfon Sq., London, S E 5 is now located in Ponca City, Oklahoma, FORT WORTH 2, TEXAS and may be addressed in care of the com­ EDWARD J. BROOK '23 pany. Herbert D. Thornton '40 Kenneth W. Nickerson, Jr. '48 (Continued on page 4) Agents:—instruments Ltd., 240 Sparlts St., Ottawa, Ontario, Canada. The Mines Magaiine published monthly by the Colorado School of Mines Alumni Association, Incl Entered as second-ciass matter, at post office af Denver, Colo- rado under act of Congress, March 3, iB79, U. S. Subscription rate $4.00 yearly, foreign rates $5.00, single copy $.50, Copyright I9S0, by Colorado School of Mines Alumni Association, inc. These contributors to "Mines" Place­ use of their services. Your contribution Jean McCallum, '10 ment Service assure its success and con­ now may insure your future advancemeni Mining & Metailurgicai Engineer tinuous expansion. It malces it possible for or that of some other "Mines" Man who "Mines" iVlen to improve their employment has the ability but not the contacts with the Consulting by autoraaticaiiy presenting fheir qualifi­ better job. Every "Mines" Man fakes a 722 Chestnut St. St. Louis I, Mo. cations to the employer best suited to make pride in watching this iist grow.

M, T. Honke, Jr., '48 Parker Liddell, '03 A. E. Perry, Jr., '37 Vincent Miller, '35 George Baekeland, '22 G. M. Miner, '48 E. F. Petersen, Jr,, '37 Max Schott, Hon., '40 J. B. Larsen, '36 W. H. Friedhoff, '07 Exploration Service Company J. L. Fusselman, '42 J. A. Clark; '21 R. R. Allen, '40 H. V. Stewart, '49 Sartlesville Oklahoma H. E. Lawrence, '48 F. A. Seeton, '47 G. F. Kaufmann, '21 F. W. C. Weiideroth, Ex-'36 W. C. Pearson, '39 N. J. Christie, '35 V. K. Martin, '41 N. M, Hannon, Jr., '47 YUBA offers you information and consulting H. D. Graham, '48 T. J. Lawson, '36 M. W. Ball, '06 service based on actual operating experience and Cleveland O. Moss, '02 V. G. Gabriel, '31; '33 Marvin Yoches, '40 M. M. Tongish, '43 over 40 years of designing and building bucket lad­ Consulting Petroleum Engineer Wiifred FuHerton, '12 J. E. Tuttle, '49 C. C. Towle, Jr., '34 der dredges and dredge parts for use from Alaska Estimates of OI! ard Gas Reserves M. John Bernstein, '47 E. E. Fletcher, '45 J. N. Gray, '37 to Malaya, from Siberia to Colombia. YUBA dredges Valuation—Production Problems—Proration H. L. Muench, '40 R. D. Segnr, '41 D. W. Reese, '48 now in use are producing big yardages on many 208 MIdco Bidg. Tuisa 3, Okla. G. N. Meade, '41 W. A. Elser, '48 S. E. Anderson, '32 types of alluvial deposits. T. N. Allen, '41 Herbert Schiundt, '43 E. S. Rugg, '43 No matter what your dredging problem—deep Frank Purdum, '30 G. W. Schneider, '21 F. E. Johnson, '22 R. L. Bradley, '47 ground, hard bedrock, clay, boulders, levee build­ H. J. McMichael, '39 W, E. Norden, '34 F. Clinton Edwards, '41 ing; deepening, widening or changing channels; cut­ Subsurface Engineering Company Robert McMillan, '41 P. A. Jennings, '34 E. D, Hyman, '48 ting canals, or production of sand and gravel, YUBA 431 Kress Building Houston, Texas E. E, Davis, Ex-'29 W. R. Parks, '38 Nikolai Belaef, '27 can furnish the right dredge for the job. Masami Hayashi, '48 310 Thompson Bidg. Tulsa, Okla. C. W. Desgrey, '26 G. S. Schonewald, '48 Floyd L. Stewart, '43 G. R. Rogers, '48 S. J. Marcus, '45 M. S. Patton, Jr., '40 G, O, Argali, Jr. '35 A. H. Logan, '38 J. Ross Reed, '37 D. M. Davis, '25 J. R. McMinn, '42 F. M. Howell, '38 John Biegel, '39 R. M. Frost, '48 A. D. Swift, '23 Field Engineer L. F. Elkins, '40 R, D. Eakin, '48 H. D. Campbell, '42 National Electric Col! Company R. G. Finlay, '39 K, B, Hutchinson, '39 R. R. Bryan, '08 1751 New York Dr. Altadena, Catif. L. E. Smith, '31 W. S. Chin, '49 R. W, Knapp, '40 F. C. Bowman, '01 K. W. Nickerson, Jr., '48 S. H. Hochberger, '48 Room 7Q9 . 351 California St., San Francisco 4, Californio, U. S. A. F. F. Frick, '08 T. V. Canning, '32 G. V. Atkinson, '48 NTS /^"^^> nARBY S CO., LTD. • SINGAPORE, KUALA LUMPUR, PENANB. Joseph J. Sanna, '41 Franklin Crane, '43 L. O. Green, '32 Robert Bernstein, '42 VsKAW DARBY G CD., LTD., 14 8)9 LEADENHALL ST., LDKDDN, E. C. 3. B. F. Zwick, '29 James Colasanti, '35 CAQLES: YUBAMAN, SAX intKOECD - SHAWnARBCO, LDKDDH Christensen Diamond Products Co, C. G. Hayes, '41 Mining—Petroleum—Construction J. A. McCarty, '35 W. E. Bush, '41 I. R. Taylor, '48 Diamond Bits & Supplies Hildreth Frost, Jr., '39 R. C. Pruess, '42 E. G. Snedaker, '14 I97S South 2nd West, Salt Lake City 13, Utah j H. W. Evans, '49 B, E. Coles, Jr., '49 R, L. Brown, '44 J. R. Medaris, '49 Finley Major, '47 H. C. Bishop, Jr., '43 P. B. Shankiin, '48 W. J. McQuinn, '46 G. G, Griswold, Jr., '14 Volk Drilling Company M. W. Miller, '49 R, E, Cheek, '43 V. N. Burnhart, '32 T. A. Hoy, '49 G, PL Shefeibine, '35 K. E. Bodine, '48 THofi^ ROD MILLS Shot Holes—Cor© Holes—Water Wells J. R. Newby, '49 W. H. Nikola, '41 H. F. Holliday, '42 524 University Bldg, Denver. Colorado J. P. Bonardi, '21 S. E. Zelenkov, '36 GEORGE D. VOLK. '35 HOME PHONE C. A. Weintz, '27 G. H. Fentress, '49 R. D. Locke, '44 FOR CLASSIFIED GRINDING —DEPENDABILITY 1820 Bellaire Sf. FR. Z5S0 F. D. Kay, '21 I. L. Bruce, '01 B. E. Duke, '39 J. C. Andersen, Jr., '45 W. L. Falconer, '41 W. D. Lord, Jr., '44 AND ECONOMICAL PERFORMANCE T. L. Goudvis, '40 G. P. Mahood, '24 Christian Kuehn, '41 V/m. D. Waltman, '99 R. E. Bueli, '41 J. A. Bowler, '39 Douglas Bali, '43. 325 So. Plymouth Boulevard Daniel H. Deilinger, '31 W. C. Kendali, Ex-'47 L. I. Railing, Jr., '47 A. C. Harding, '37 J. C. Smith, Ex-'35 Los Angeles 5 California H, F, Carpenter, '23 R. L. Scott, '42 E. L. Durbin, '36 R. P. Olsen, '49 P. W. Crawford, '22 W. D. Caton, '35 E. M. Watts, Ex-'26 Elmer R. V/ilfley, '14 M. L. Gilbreath, '33 W. A. Conley, '19 L, O. Storm, '40 R, F. Dewey, '43 H. H. Christy, '22 W. B. Barbour, '37 Wilfley Centrifugal Pumps J. A. Kavenaiigh, '38 F. E. Lewis, '01 J. R. Hallock, '49 Denver, Colo. J. G. Johnstone, '48 E. C. Royer, '40 E. W. Steffenhagen, '41 Wm. C. LiefFers. '48 E. A. Berg, '41 W. W. Simon, '15 F. E. Woodard, '42 G. A. Smith, '34 John H. Wilson, '23 R. F, Corbetta, '48 Wm. H. Bashor, Jr., '49 H. L. Jacques, '08 J. H. Vose, Jr., '39 independent Exploration Company T. H. Allan, '18 S, C. Sandusky, '48 J. L. Bolles, '49 Rod Miiis offer several important 1411 Electric Building T. F. Adams, '29 J. W. R. Crawford, HI, '48 B. W. Knowies, '08 odvantages — low pulp level ond C. V. Woodard, '44 Ft. Worth, Texas O. P. Doiph, '25 G. B. Harlan, '49 small amount of pulp I'n the mill Otto Herres, '11 A. M. Keenan, '35 Gene Meyer, '37 diie to the forge dionieter dischorge opening—a slowly revolving mass of rods grinding in line contact—less wear of grinding medio—low power E. J. Brook, '23 W. H. Breeding, '39 G. A. Parks, '06 John H. Winchell, '17 per ton of moterial ground—maximum working efficiency and accessi­ J. W. Gabelman, '43 N. S. Whitmore, '29 C. W. Campbell, '47 bility to inside of mill—efficient grinding without making excessive Attorney af Law J. B. Ferguson, '30 R. G. Hill, '39 J. N. Wilson, '42 slimes. 315 Majestic Bldg. Denver, Colo. D, W. Butnei", '15 L. E. Wilson, '27 J. S. Phillips, '49 ALpine 5251 A. G. Hoel, Jr., '40 L. P. Corbin, Jr., '40 A. F. Beck, '25 R. L. McLaren, '32 W. J. Rupnik, '29 F. J. Weishaupl, '49 Harry J. Wolf, '03 J. A. Davis, '39 F. C. Aldrich, '48 Victor Bychok, '42 C. D. Reese, '43 R. H. Sayre, Jr., '34 C. F. Fogarty, '42 Mining and Consulting Engineer ESTABLISHED W. F. Disder, '39 R. W. Evans, '36 M. M. Aycardo, Jr., '41 p. 0. BOX 1708 0 DENVER. COLORADO, IJ. S. A. o CABLE "MORSE' 420 Madison Ave. Nev/ York 17, N. Y, G. W. Mitchell, '23 J. D. Moody, '40 Preston Grant, Ex-'33 N. H. Donald, Jr,, '39 M. F. Barms, '43 Lester S. Grant, '99 6 THE MINES MAGAZINE ® FEBRUARY, 1950 THE MINES MAGAZINE @ FEBRUARY, 1950 7 VOLUME XL FEBRUARY, 1950 NO. 2

ontentd— DR JOHN W. VANDERWILT SUCCEEDS BEN H. PARKER AS "MINES" PRESIDENT ------10 "MINES" DESERVES BETTER STATE BACKING - - - 11 By Dr. Ben H. Parker, '24 EDITOR AND PUBLICATION DiRECTOR ADVANCES IN THE METALLURGY OF CAST IRON - - 12 FRANK C. BOWMAN, '01 By Clyde O. Penney, '36 HERBERT W. HECKT, '36 Assistant Editor THE LADY AND THE MINE (or) MAN'S LAST REFUGE - W. K, SUMMERS By Mrs. L. D. Anderson Production MARViN ESTES, M9 DENVER FIRM SENDS MILLION DOLLAR GRINDING circulation MILL ORDER TO SOUTH AMERICA - - ^ - - SUMMARY OF THE FINANCIAL TRANSACTIONS OF THE PETROLEUM INDUSTRY IN 1949 - - - 20 ASSOCIATE EDITORS By Joseph E. Pogue and Frederick G. Coqueron WILLIAM M. TRAVER, '16 THE UTILITY OF MULTIPLE CORRELATION - - 21 Mining CLAUDE L. BARKER, '31 By Warren H. Yarroll, '34 Coa! Mining PROGRESS NEWS U. S. ATOMIC ENERGY CEDRIC E. McWHORTER, '24 Non-Metallics COMMISSION ------24 HOWARD A. STORM, '29 Metallurgy SiGMUND L. SMITH, '39 Ferrous-Metallurgy DAMASCUS BLADES fepcirimentd— RUSSELL H. VOLK, '26 Petroleurn ARTHUR W. BUELL, '08 PERSONAL NOTES ------3 Petroleum Forged from carbonized iron, imported from India, the famous Damascus TECHNICAL MEN WANTED ------4 ROBERT McMillan, '-ii Blades were made in Persia long before tbe Christian era. They were Petroleum LETTERS ------5 BERNARD M. BENCH, '30 noted for their keen edge and extreme flexibility ... were capable of Petroieum CONTRIBUTORS TO PLACEMENT FUND - - - - 6 LOWELL C. ATCHISON, '25 cutting a cobweb or severing a heavy iron spear, yet could be bent at Chemistry J. HARLAN JOHNSON, '23 right angles without harm. BIRTHS ------23 Geology WITH THE MANUFACTURERS ------25 DR. TRUMAN H. KUHN Economic Geoiogy S Mineralogy ike Damascus Blades, CF&I Forged Steel Grinding Balls and PLANT NEWS ------27 HOWARD A. STORM, '29 Menutacturers CATALOG AND TRADE PUBLICATIONS . - - - 30 HOWARD A. STORM. '29 Rods have long been known for their quality. . . and have Trade Publications ALUMNI BUSINESS ------31 ELLA J. COLBURN satisfied users all over the world. News ANNUAL BUSINESS MEETING ------32 In the United States, for example, of the 61 major mining prop­ OFFICERS "MINES" ALUMNI ASSOCIATION - - - 33 MINES TODAY ------37 SECTION EDITORS •••I erties and cement plants using forged steel grinding balls in the TECHNICAL SOCIETIES AND ASSOCIATIONS B. G, MESSER, '36 eight western mining states, 54 use CF&I Balls ... of the 12 LUTHER W. LENNOX, '05 MEETINGS ------37 RICHARD M. BRADLEY, '36 major grinding rod users in those states, 11 use CF&I Rods. SPORTS MARCH ------38 D. J. LYONS, '30 HERBERT E. RISSER, '37 BOOK REVIEWS 41 FRANK M. STEPHENS, JR., '42 JOSEPH R. GILBERT, '42 CF&I GRINDING BALLS For maximum grinding per dollar, specify CF&I Balls and Rods. FROM THE LOCAL SECTIONS ------42 ROBERT W. EVANS, '36 STANLEY OHLSWAGER, '49 IN MEMORIAM ------44 W. BRUCE BARBOUR, '37 M. M. AYCARDO, JR., '41 C. B. HULL, '09 Jront Cover— FRED D. KAY, '21 The Colorado Fuel and Iron Corporation CARL R, HOLMGREN, '33 GENERAL OFFICES: DENVER, COLORADO A record shipment of Marcy Ball Mills to Chile. Five cars loaded M. O. HEGGLUND, '4! with trunnions, heads and shells, included in a seven-car ship­ W. I. SEDGELY, '40 PACIFIC COAST SALES: THE CALIFORNIA WIRE CLOTH CORP. ment by Mine & Smelter Supply Company. See descriptions, GEORGE G, YEAGER, '40 OAKLAND, CALIFORNIA FRANK S. CRANE, '43 ] page 19. FLOYD M. BELLEAU, '23 WALLACE W. AGEY, '39 FOR ADVERTISERS LISTINGS SEE PAGE 46 DALE KERSTETTER, '39

WICKWIRE ROPE, INDUSTRIAL SCREENS, MINE RAILS AND Official Organ of ihe Coiorado Schooi of Mines Alumni Association, Inc. Copyright 1950. Entered as Second C ass Matter at the Postoffice at Denver, Colorado under the Act of Congress of March 3, i879. Subscription price $4.00 a ijear. Single copies 50 cents. $1.00 addil.o.^al charge for foreign subscriptions. P|^blished ACCESSORIES, REALOCK FENCE, CLINTON WELDED WIRE &SUBSM1IARIES every month in the year by the Colorado School of Mines Alumni Association, Inc. Address all correspondence, mciuding checks, drafts and money orders to Robert W. Evans, Secretary, 734 Cooper Bldg., Denver, Coio. Address all correspondence relating to Mines Magaiine to Frank C. Bov/man, Editor, 734 Oooper FABRIC, GRADER BLADES AND OTHER CUTTING EDGES Building, Denver 2, Colorado.

8 THE MINES MAGAZINE • FEBRUARY, 1950 THE MINES MAGAZINE ® FEBRUARY, 1950 SucceeJ,6

en Pat'Ler

ad

By

fined Pfeditlent DR. BEN H. PARKER, '24

As I prepare to leave the presi­ Dr. John W. Vanderwilt, well- dency of the Colorado School of known consulting geologist of Mines for private industry, I feel Denver, has been named president that I can comment more frankly of the Colorado School of Mines than I could previously, on the to succeed Dr. Ben H. Parker, who school's problems and the respon­ has submitted his resignation to sibility of the state toward the so­ take effect April 1. Announcement lution of these problems. of the change was made by Lester C. Thomas of Denver, president of It seems unnecessary to remind school's board of trustees. In mak­ the readers of The Denver Post of ing the announcement he said, ihe world-wide fame that the school "The board of trustees of the Colo­ has attained for one reason alone rado School of Mines has accepted : —the fulfillment of its objective of Dr. Parker's resignation with re- producing thoroughly trained min­ DR. JOHN W. VANDERWILT luctance and regret in view of the eral engineers. Throughout the DR. BEN H. PARKER outstanding service he has performed in his term of world there is no other institution office. The board realizes, however, its good fortune spent three months in Norway doing geologic consult­ of higher education that covers the ing under the Marshall Plan. sponsibility, not only in the United With these benefits in mind, it in being able to obtain such a distinguished geologist,' field of mineral engineering and \s most disheartening to look back educator, and administrator as Dr. Vanderwilt to direct Dr. Vanderwilt is a member of the Phi Beta Kappa, confines its activities to training in States but around the world. honorary scholastic fraternity, and of Sigma Xi, hon­ on the history of the Colorado the school. This is especially true, since he will retain that held. Without doubt the tendency of orary scientific fraternity, as well as having a mem­ School of Mines and realize that some of his consulting work in the field of mining and these Golden graduates to think bership in many mining and geologic societies. for more than half a century the engineering geology as his time allows, thereby con­ It is sometimes said that the rep­ first of Denver mining machinery contribution of the state to the sup­ tinuing his professional contacts with the mineral in­ The Vanderwilts have three children. Bill, a grad­ utation of the Colorado School of manufacturers when they require uate of the University of Colorado, Boulder, is now port of the school hcs been most dustry." Mines increases with ihe distance equipment has made Denver the meager. It is only in the last few doing graduate work at the University of California, from the school. Although I do not mining machinery capital of the Berkeley, where he is taking a major in physics. years that a beginning has been believe that such a statement is world and continues to keep it in made toward providing the sup­ The new president is a former member of the fac­ Christine is in Tucson, Arizona, where she is taking true, it is doubtful that Colorado that position. ulty of the Colorado School of Mines as well as of the special work at the University of Arizona. loanne is residents are entirely aware of the port that it should have. The suc­ University of Colorado. He is presently a member of a junior at the University of Washington, Seattle. cess of the school in the face of benefits that the state receives from An additional contribution of the these financial imitations has re­ the board of trustees of the School of Mines from Dr. and Mrs. Vanderwilt expect to move to Golden the location of the world's outstand­ school to the welfare of the state which position he has resigned, effective March 20. sulted largely from the loyalty of about the time Dr. Vanderwilt assumes his new duties, ing mineral industry school.within is the enrollment of students from its faculty, which always has in­ Born in Oskaloosa, Iowa, Dr. Vanderwilt was grad­ April 1. its borders. • throughout the United States in the uated from Penn College there. He then attended the cluded authorities in their fields Dr. Parker accepted the presidency of the school summer sessions, both on the who couid have substcmtially in- University of Michigan where he received the master's in 1946 after the resignation of Dr. M. F. Coolbaugh. Cericdnly all recognize the value campus and at the field camps degree. In 1927 he received the degree of doctor of oi having graduates of the school crecraed their earning in private At that time he was vice president of the Frontier Re­ near Pueblo and at Idaho Springs industry. philosophy from Harvard University. fining company and will return to that company when to locate, produce, and process fee and Rangely. These students from mineral wealth of Colorado. Not he leaves the school. He was graduated from the other states not only more than Many who are unacquainted Recently Dr. Vanderwih has been doing consulting School of Mines in 1924 and received the degree of so apparent, perhaps, are the bene­ pay for the cost of their instruction fits the state receives irom having with mineral-engineering training geologic work with offices in the Midland Savings doctor of science in 1934. in the summer session, but the do not realize that such training is Building, Denver. He has been a consulting geologist its emissaries from the Colorado much higher tuition they pay in From 1933 until 1943 Dr. Parker was associate pro­ School of Mines in positions of re- high-cost education because of the for the Climax Molybdenum company for some time fessor of geological engineering at the school, except the regular semesters actually re­ expense of the necessary labora- and has also served on the Board of Experts of the for one year when he served as assistant chief geolo­ duces the cost of training Colorado residents. Bureau of Reclamation. In the summer of 1949 he gist for the Argentine government. 'Guest Editorial in The Denver Post, CContinued on page 36) 10 THE MINES MAGAZINE ® FEBRUARY, 1950 THE MINES MAGAZINE # FEBRUARY, 1950 I I The entire Metals industry is very grees, Fahrenheit, produces no explo­ nificant. They found that an alloy much indebted to the British Cast sive or violent reaction with tbe mol­ containing 20 per cent magnesium Iron Research Association, and to H. ten iron and Is quite effective in the and 80 per cent antimony would burn Morrogh, who is a member of that or­ production of the nodular graphite rather quietly when added to the sur­ ganization, for much of the develop­ structures although it remains a rather face of cast iron. In fact, this partic­ ment work leading to the application expensive addition agent. ular alloy can be immersed In the of this process on an industrial scale. molten Iron without any noticeable True, many others have been working At this stage of development, the reaction. Unfortunately, the alloying in this field for a long time, but to American Cast Iron Pipe Company efficiency, or the magnesium recovery Morrogh and the British Cast Iron became interested in the process and if you prefer, is low, and the graphite Research Association must go the undertook an extensive program of produced is rather coarse and quite un­ major portion of credit for develop­ experimental work to increase the satisfactory. ing the process to the point at wiiich it Store of metallurgical knowledge in has become industrially feasible. this most promising field of research An alloy containing 55 per cent (5). Immediately they were able to magnesium and 45 per cent aluminum •V Fig. !—Fiake graphl+e Iron, v Fig. 2—Spheroidal graphite v Fig. 3—Flake graphlfe iron, v Fig. A—Spheroidal graphife duplicate the results of the British readily produces the nodular graphite unetched, (Courlesy Mr. D. J. iron, unetched. [Courtesy Mr, etched. [Courtesy Mr. D. J. iron, etched. (Courtesy Mr. D. Nodular Structures by Cerium Reese). D. J. Reese). Reese). J. Reese). Morrogh produced these nodular Cast Iron Research Association using structures with a good recovery of cast irons by adding cerium to the Cerium, and following additional ex­ magnesium, but has a rather high de­ molten metal just prior to casting perimental work, were able also to gree of reactivity, being almost explo­ (3). However, there are certain re­ produce these nodular graphite struc­ sive in its violence. quirements with respect to metal com­ tures using magnesium in place of cerium. An alloy of 20 per cent magnesium position which must be fulfilled be­ and 80 per cent aluminum is much fore these nodular cast irons can be By ton of metal melted for 4 per cent en­ metal reactions going on in the cupola less violent in Its reaction, but it is successfully produced with cerium. Nodular Graphite Structures richment up to $8.25 per ton of metal during normal operation, and thus ob­ also less effective in producing the nod­ CLYDE O. PENNEY. '36 These reqiiirements.are as follows: By Magnesium Metaiiurgisf melted for 10 per cent enrichment of tain a more accurate picture of this C. K. Donoho, Chief Metallurgist ular graphite structures, and is less the cupola blast. A large foundry particular phase of cast iron metal­ 1. The iron must soHdify gray without for the American Cast Iron Pipe efficient with respect to the retention C. S. Card Iron Works Co. consuming 800 tons of oxygen per lurgy. the cerium addition, Company, has found that the presence of magnesium by the iron. month at a unit cost of 14^ cents 2. The iron must be of hypereutectic car­ of 0.03 to 0.10 per cent magnesium Other studies which could be un­ The advances in the metallurgj' of per 100 cubic feet will be required to bon content; that is, the carbon content dissolved in the iron produces the de­ An alloy which contains 90 per dertaken with the help of radioiso­ cast iron have been so tremendous that increase its melting cost anywhere shouid exceed the value 4.3 1/3 (per sired nodular graphite structures, and cent magnesium and 10 per cent lith­ topes would be segregation in iron and cent silicon plus per cent phospliorous). it would be impossible to cover all from $1.81 per ton of metal melted also gives the optimum range of physi­ ium is only moderately high in reactiv­ steel castings, location and distribu­ of them in the pages of this magazine. for 4 per cent enrichment up to $4.00 3. Silicon content should be in the range cal properties. Too little magnesium ity and is moderately effective In the tion of various elements in solid solu­ Therefore, I have selected three of per ton of metal melted for a 10" per from 2.3 to 7 per cent. results in a mixed structure containing production of the nodular graphite tions, studies on cyanldlng, nitriding, the more recent developments, two of cent enrichment of the blast. Obvi­ 4. Sulfur must be below 0.015 per cent. some nodular graphite and some flake structures. Magnesium-zinc alloys carburizing, etc. In fact, the possibil­ which are briefly discussed. The ously, the question of enriching the 5. Phosphorous must not exceed 0.6 per graphite. Too much magnesium will are not at all satisfactory because of a ities for research are practically limit­ major portion of the paper is devoted cupola blast continuously, intermit­ cent and should be below 0.1 per cent. increase the hardness and brittleness. high degree of reactivity, a low per­ less with this new metallurgical tool. centage of magnesium retention and to a more detailed discussion of the tently, or not at all, resolves itself into 6. Alloying elements present have no ef­ third development, which I personallj' a matter of the economics of operation Producfion of Noduiar fect, provided the iron will stil! solid­ Magnesium has a decided advan­ the complete absence of nodular graph­ ify gray without the cerium addition. ite in the irons to which they have consider to be the most significant. for each individual foundrj'. Graphife Structures tage over cerium, in that magnesium 7. Enough cerium must be introduced to is effective when added to low carbon, been added. Magnesium-bismuth al­ One of the important developments The third major development in The intermittent use of oxygen to secure 0.02 per cent cerium dissolved high phosphorous, high sulfur irons; loys, like magnesium-zinc alloys, are in recent years in the field of Cast iron cast iron metallurgy is, in my opinion, enrich the cupola blast for short per­ in the metallic matrix. whereas cerium, as previously stated, ineffective in the production of nod­ metallurgy is the use of oxygen-en­ the greatest advance in the field in the iods of time has proven to be an ex­ is effective only on high carbon, me­ ular irons and are highly reactive. riched blasts for cupola operation last 25 5'ears. It is the production of Of these seven requirements, those cellent corrective procedure for such dium phosphorous, very low sulfur (I)*. By enriching the cupola blast nodular graphite structures in gray concerning carbon and sulfur are by cupola ailments as bridging, decreas­ irons. Pure magnesium metal, when Recent experimental work by E. T. with pure oxygen, there is an increase cast iron in the as-cast state. By a far the most important. ing metal temperatures, decreasing added to molten cast iron, is effective Myskowski and R. P. Dunphy of the in melting rate, an increase in tapping suitable treatment of the cast iron in melting rates, etc. The first major function of cerium in producing the nodular graphite Naval Research Laboratorj' is encour­ temperatures, a reduction in melting the molten state, the graphite struc­ when added to molten cast iron, seems structures. However, it is violently aging in that they have been quite losses, and a reduction in the amount Radioacfive isotopes in Research ture may be changed from the normal to be that of a desulphurizer, and it explosive in its reaction, and elaborate successful in producing nodular irons of coke required. The addition of The second outstanding develop­ fiake graphite as shown in Figs. I and precautions must be taken to protect through inoculation with an iron-sili­ pure oxygen in the amount approxi­ ment is the application of the prin­ 3, to the spheroidal or nodular graph­ continues to act in this capacity until the sulfur content of the Iron is re­ foundry personnel and property. con-magnesium alloy containing ap­ mating 10 per cent of the blast vol­ ciples of atomic energy including the ite shown in Figs. 2 and 4, Figs. proximately 8 per cent magnesium in ume will result in an increase of about use of radioactive isotopes for purposes 1, 2, 3 and 4 are all micrographs of duced to about 0.015 per cent. At G. E. Holdeman and J. C. H. a 50 per cent ferrosllicon carrier (10). 20 per cent in the melting rate, a re­ of research in cast iron metallurgy. the same base iron. this point, the cerium enters into solu­ Stearns of the Dow Chemical Com­ They have found that the iron may duction of 4 per cent in the melting The use of the radioisotope Cobalt 60 tion in the molten cast iron, where it The development of nodular graph­ pany have conducted a series of inves­ be tapped into a ladle directly on top loss, and an increase of about 100 de­ has already found application in the functions as a very powerful carbide ite structures in gray cast iron was tigations on the treatment of cast iron of this alloy with the complete ab­ grees, Fahrenheit, in the tapping tem­ foundry for continuously indicating stabilizer, and when this dissolved cer­ the next logical step in a long series with magnesium for the production of sence of any violent or explosive re­ peratures. the level of liquid metal in the cupola ium is in excess of 0.02 per cent, it action. which in turn leads to a more uniform of advances in cast iron metallurgy, produces the nodular graphite struc­ nodular graphite structures (8). A which began with the establishment number of their investigations have Use of Oxygen metal composition (2). tures. of accurate control of the carbon and been particularly concerned with a In the work conducted by Donoho, The cost of ox3fgen for purposes of It would he entirely feasible to im­ silicon content of cast iron. Then Cerium metal may be added to study of various magnesium alloys for various alloys of magnesium were enrichment is a variable, depending pregnate the cupola lining with a came, in rapid succession, the use of molten cast iron in several ways. It use in Introducing the magnesium to studied in an attempt to increase the upon the quantity used, and must be radioisotope of a suitable nature, place high-steel mixtures in cupola charges, may be added as the pure element the Iron. In their experimental work, recovery of magnesium and reduce the worked out for each cupola, based on Geiger counters on the slag tap and the development of ladle inoculation cerium, but this method is too expen­ they devoted special attention to the violence of the reaction when treat­ its own individual operating condi­ obtain valuable information as to the techniques to obtain random distribu­ sive to find industrial application. Va­ degree of reactivity, the magnesium ing the molten iron In the laddie (5). tions. In general, we may say that a extent and rate of lining consumption tion of the graphite flakes, the intro­ rious other forms have been used suc­ recovery and the efficiency of the al­ Donoho found that magnesium-zirco­ foundry consuming 25 tons of oxygen during cupola operation. duction of alloying elements, singh' cessfully, the most promising of which loy in producing the nodular struc­ nium and magnesium-titanium alloj's per month at a unit cost of 30 cents were completely ineffective in produc­ Another possibility would be to in­ and In various combinations, to is misch metal containing from 43 to tures. per 100 cubic feet must add to its ing nodular irons. In every case, after clude a suitable radioisotope in the strengthen the matrix of the iron, and 50 per cent cerium, the balance being melting cost anywhere from $3.75 per finally, this most recent development, rare earths together with small Nodular Structures treatment with these alloys, the iron metallic charge, tbe fluxing charge, or was found to have tbe flake-type both; then by the use of proper in­ namely, the production of as-cast nod­ amounts of iron and manganese. By Magnesium Alloys * Numbers in parentheses refer to publications cited ular graphite structures. Misch metal dissolves readily in tbe graphite, with no trace whatsoever of ill tiie references at tlie end of tills paper. struments, one could study the slag- The results of these experiments by Iron at temperatures above 2200 de- Holdeman and Stearns are quite sig- the nodular structure, and with no 12 THE MINES MAGAZINE ® FEBRUARY, 1950 THE MINES MAGAZINE • FEBF \RY, 1950 13 However, when using these alloys, it iron will have an elongation of only was found that as the percentage of 2 to 3 per cent (American A test magnesium increases in tbe alloy, the bar), with no reduction of area. Such violence of the reaction also increases an iron can hardly be classed as duc­ in intensity, and again becomes ex­ tile. plosive at approximately 50 per cent A nodular iron with over 90 per magnesium regardless of whether it is cent ferrite in the as-cast matrix is alloyed with copper or with nickel. shown In Figs. 6 and 7. Such an Iron will exhibit a tensile strength of An alloy containing 20 per cent approximately 80,000 psi with an magnesium and 80 per cent copper or elongation of 10 to 15 per cent nickel will give good recoveries of (American A test bar). magnesium and will be quite effective in producing the nodular graphite If, as is shown in Fig. 8, the matrix structures. It will burn quietly on of the as-cast nodular iron is com­ the surface of the iron with little or pletely ferritized by a subsequent an­ •V Fig. 8—Microstructure of ferritlied nodu­ neal, a ductile material will be pro­ no violence. lar iron, annealed. X300. (Courtesy Profes­ sor Albert De Sy). duced having a tensile strength of ap­ The alloy containing 20 per cent proximately 75,000 psi with an elon­ • Fig, 5—Microsfruc+ure of pearlltic nodu­ magnesium and 80 per cent nickel is the greater is the tendency for the gation of 20 to 25 per cent (American lar iron, as cast. X200. (Courtesy Professor a little more violent in its reaction metal to revert to the normal flake- A test bar), a reduction of area of Albert De Sy). than the alloy which contains 20 per type graphite structure. Donoho re­ 25 to 30 per cent and a Brinell hard­ cent magnesium and 80 per cent cop­ ports that he has been able to bold the ness of 150 to 160. This material, in improvement in the physical prop­ per ; probably because the magnesium the as-cast state, is a true nodular V Fig. il—Microstructure of cupola iron wh Ich was treated with 50 Cu—50 Mg alloy. NItal erties. metal as long as 15 minutes after etch. X500. [Courtesy Mr. Sosta Vennerholm). will volatilize and explode the still treatment with magnesium and still iron with the characteristic nodular Similar results were obtained with solid nickel, whereas the copper will produce completely nodular graphite graphite structure, the subsequent an­ talning over 90 per cent ferrite in the field of nodular cast iron and has also magnesium-calcium and magnesium- melt before the magnesium volatilizes. structures In the Iron (7). neal being of a ferritizing, not a nod- manganese alloys. Apparentlj', even Recoveries of magnesium are some­ ulizing, nature. Therefore the mate- matrix, as shown in Fig. 9. This iron, found that the matrix of the Iron ex­ which exhibited the best as-cast duc­ erts a very marked influence on the in the presence of magnesium, the in­ what better with the nickel-magne- Physical Properties of tility of all his experimental Irons, had physical properties (7). He reports troduction of such elements as zirco­ Nodular Irons nium, titanium, calcium and manga­ the following physical properties (7) : nese destroys the nucleating mecha­ The increase in the value of various Tensile Strength, psi 75,600 physical properties of the nodular irons Yield Point, psi 51,100 nism which normally operates to pro­ Elongation in 2 in., per cent.— 18.6 duce the nodular graphite structures. over those of the Hake graphite irons is almost phenomenal as far as cast Reduction of area, per cent—. 15.1 Brinell Hardness -- 179 A very interesting theory concern­ iron metallurgy Is concerned. The Modulus of Elasticity, psi 23,000,000 ing this nucleating mechanism has strength and ductility of the nodular After receiving an anneal at 1350 been advanced by Albert De Sy, Pro­ irons are far superior to those of the degrees, Fahrenheit, for one hour, fol­ fessor of ]\4etallurgy, University of flake graphite irons, are somewhat su­ lowed by air-cooling, this same iron Ghent, Belgium (4). Professor De perior to those of malleable iron and possessed the following physical prop- Sy suggests that the crystal system of approach the strength and ductility of tries; the nuclei suspended in the molten cast steel. • Fig, 10—Microstructure of cupola Iron Tensile Strength, psi -.. 7!,SOO iron is the determining factor as to V Fig. 7—Microstructure of ferrltrc nodular which was treated with 50 Cu—50 Mg alloy. Iron, as cast. X300. (Courtesy Professor Al­ NHal etch. XlOO. (Courtesy Mr. Sosta Ven- Yield Point, psi -- 50,000 Professor Albert De Sy points out V Fig, 12—Microstructure of blast furnace whether the graphite will be of the bert De Sy). nerholm). Elongation in 2 in., per cent-. 23.4 flake type or the nodular type. If the that tbe matrix of these nodular irons Reduction of area, per cent 26.1 iron which was treated with 50 Cu—50 Mg nuclei crystallize in the hexagonal slum alloy than with the copper-mag­ has a marked influence on their physi­ Brinell Hardness — 163 alloy. Nital etch. XlOO. [Courtesy Mr. Gosta Vennerholm). s3'stem, there will be flake graphite. nesium alloy. cal properties {11). He has found rial is still considered to be a cast Modulus of Elasticity, psi 22,000,000 Gosta Vennerholm, Metallurgist, If the nuclei crystallize in the cubic that a nodular iron with an as-cast iron and not a malleable iron. or tetragonal system, a nodular graph­ At the present time, alloys contain­ pearlltic matrix as shown in Fig. 5, In the experimental work of C. K. Ford Motor Company, has spent con­ that a conventional cupola iron, when ite will result. It is a very interesting ing 30 per cent magnesium, the bal­ will have a tensile strength of approx­ Donoho, an iron was produced con- siderable effort on research in this treated with an alloy containing 50 hypothesis, and is worthy of further ance being either copper or nickel, ap­ imately 120,000 psi. However, this per cent magnesium and 50 per cent investigation by research metallurgists. pear to represent the top limit of mag­ copper, will exhibit the nodular graph­ nesium content permissible in the in- ite structure with a wholly pearlitic The two most promising alloj's de­ oculant. A 30 per cent magnesium matrix as showm in Figs. 10, 11, 12 veloped by Donoho were copper-mag­ alloy will be somewhat violent in its and 13. Such an iron will have a ten­ nesium and nickel-magnesium (5). reaction but can be used safely if sile strength of 80,000 to 105,000 psi certain precautions are taken. with an elongation rarely exceeding 1^ per cent. Magnesium, like cerium, serves first as a desulphurizer when added to As previously stated, cupola irons high-sulfur irons. However, since usually have a rather high sulfur con­ magnesium is much less expensive than tent which requires the addition of ex­ cerium, it may prove more economical cessive amounts of magnesium to pro­ to add extra magnesium to remove tbe duce the nodular graphite structures. sulfur rather than resort to a more To avoid this difficulty, Vennerholm expensive desulphurization treatment used a direct blast furnace iron of the with soda ash, as is required in high following analysis: surfur irons when using cerium. Caibon, per cent -.- - 3.80—4.10 Manganese, per cent i.00—-1.25 If castings are poured immedi­ Silicon, per cent 1.25—1.50 ately after treatment with magnesium Phosphorus, per cent 0.22 or cerium, they will exhibit the de­ Sulfur, per cent 0.04 Fig. 6—Microstructure of ferrltic nodular sired nodular graphite structures. The v Fig, 9—Microstructure of nodular graphite This blast furnace pig iron was re- iron, as cast. XlOO. (Courtesy Professor Al­ longer the metal is held in the ladle iron with as-cast matrix almost completely melted in an electric furnace and -V- Fig. 13—Microstructure of blast furnace iron which was treated with 50 Cu—50 Mg alloy. bert De Sy). ferrltic, Nital etch. X100. | Courtesy Mr, after treatment and prior to pouring. C. K. Donoho). . Nital etch. X500, [Courtesy Mr, Sosta Vennerholm). treated with an alloy containing 50 14 THE MINES MAGAZINE @ FEBRUARY. 1950 THE MINES MAGAZINE FEBRUARY, 1950 15 per cent magnesium and 50 per cent After heating this iron for 5 hours marked effect on the industry, and copper, resulting in the microstructure at 1750 degrees, Fahrenheit, cooling will alter considerably many time- shown in Figs. 14 and 15. This iron, to 1320 degrees, Fahrenheit, and hold­ honored requirements of the malleable like the cupola iron, exhibited a ten­ ing at this temperature for 2 hours, industry, such as rigid chemical speci­ sile strength of 80,000 to 105,000 psi the following physical properties were fications, section thicknesses which with an elongation of approximately obtained: will solidify white in sand molds, lengthy periods for subsequent heat Ij^ per cent. Tensile Strength, psi 56,000 treatment, the expenditure of a large By use of the electric furnace, Ven­ Yield Point, psi 40,000 Elongation in 2 in., per cent 18 number of man-hours of time per ton nerholm produced an iron of the fol­ Brinell Hardness - 131 of castings produced, etc. lowing composition: Carbon, per cent - 3.72 It may readily be seen that practi­ Fields of application for these nod­ Manganese, per cent 0.33 cally nothing was gained by the Fig, \A—Microstructure of blast furnace ular irons include, among others, the SiHcon, per cent 1.98 lengthy heat treatment. pig Iron, remeited In electric furnace and Phosphorous, per cent —- 0.02 automotive, railroad and agricultural treated with 50 Cu—50 Mg alloy. Nital Sulfur, per cent 0.019 In general, it may be said that industries (6). They may find appli­ etch. XlOO. (Courtesy Mr. Gosta Venner­ cation in rolling mill equipment, ma­ This iron, when treated with 0.35 tensile strengths of the order of 20,- holm). per cent magnesium in an alloy con­ 000 to 40,000 psi in normal Hake-type chine tools, pumps, crankshafts, com­ taining 50 per cent magnesium and 50 graphite irons will be increased to 70,- pressors, valves and machinery in gen­ eral. Other fields which offer an op­ per cent copper, exhibited the micro- 000 to 120,000 psi in the nodular process, or tbe economic relationship portunity for application of nodular structure shown in Figs. 16 and 17. irons (8). After a simple, low-tem­ of the various factors involved in the V Fig. 17—Microstrucfure of low phosphorus, low sulfur, low manganese iron which was The physical properties of this iron perature, heat treatment, an elonga­ cast iron include marine equipment, melted in electric furnace and treated with 50 Cu—50 Mg alloy. Nital etch. X500. (Courtesy production and application of these electrical equipment, textile machin­ Mr. Gosia Vennerholm). in the as-cast state were as follows: tion of as much as 20 per cent can be nodular irons. Tensile Strength, psi 80,000 obtained, while still retaining a tensile ery, pipe, railroad car wheels, and such items as ingot molds, furnaces, D. J. Reese, Metallurgist, Inter­ tesy of Mr. Gosta Vennerholm, Me­ engines and other parts operating at other. We have gathered considerable national Nickel Company, reminds us information on the strength and duc­ tallurgist, Ford Motor Company, that the cost per ton for the produc­ elevated temperatures. Dearborn, Michigan. tility of these irons. However, before References tion of nodular iron will be dependent As I stated previously, it is my we can realize the greatest benefit (1) W. C. Wick. "Cupola Operations upon such factors as the tonnage pro­ opinion that the development of nod­ from the application of these nodular Improved with Oxygen-Enriched duced, the type of furnace used, the ular graphite in the as-cast condition irons in the field of engineering, we Blast," AMERICAN FOUNDRY- cost of raw materials and fuels for must obtain a wealth of data on such MAN, May, 1948, p. 64, and A.F.S. is the greatest advance in the field of TRANSACTIONS, vol, 56, pp. 246- that furnace and the type of metal cast iron metallurgy in the last 25 properties as wear, corrosion resist­ being produced (7). At the present 259 (1948). years. Although a great deal of work ance, 'damping capacity, fatigue, ther­ (2) Don M. McCntcheon, "Radioisotope time, the best average figure Is approx­ has been done, we have, in reality, mal resistance, machinability, weld- Gage Indicates Liquid Metal Height imately $5.00 per ton of hot metal, merely crossed the threshold. The ability, etc. The behavior of this ma­ in Cupolas," AMERICAN FOUN­ for the production of the nodular terial, when introduced to the chilled DRYMAN, June, 1949, p. 35. work yet to be done in this field of (3) H. Morrogh, "Nodular Graphite irons alone, without attempting to nodular irons will constitute an active iron industry, offers a very rich and develop or achieve an}'^ other objec­ Structures Produced in Gray Cast area of research for many j'ears to promising field for both short and Irons," AMERICAN FOUNDRY- tives. In order to attain the highest come. The best method of introduc­ long term research. MAN, April, 1948, p. 91, and A.F.S. possible strength and ductility in these ing magnesium to molten iron in pro­ TRANSACTIONS, vol. 56, pp. 72-90 (1948). nodular irons, it is necessary to main­ duction foundries needs to be devel­ I believe that the possibilities for tain an accurate control of the melt­ this material are unlimited. I feel that (4) Albert De Sy, "Belgian Research oped. Considerable time and effort Advances Nodular Graphite The­ ing operation, and to exercise a very must be expended in investigating every sales engineer, every designer, ory," AMERICAN FOUNDRY- careful selection of the proper type of other elements and alloys, singly and every fabricator, every metallurgist, MAN, January, 1949, p. 55. V Fig. IS—Microstrucfure of blast furnace pig Iron, remeited In electric furnace and treated raw materials to be charged to the every foundryman, in fact everyone (5) C. K. Donoho, "Producing Nodular in various combinations, to determine Graphite with Magnesium," AMER­ with 50 Cu—50 Mg alloy. Nital etch. X500. [Courtesy Mr, Gosia Vennerholm). furnace. The attainment of these ob­ their applicability for the production who is in any way connected with jectives will increase the cost of tbe the metals industry should keep ICAN FOUNDRYMAN, February, of nodular cast iron. Unlimited possi­ 1949, p. 30. Yieid Point, psi 60,000 strength of approximately 70,000 psi. nodular irons to approximately $20.00 bilities for research exist in the heat abreast of the developments in this (6) Charles 0. Burgess, "Progress Re­ Elongation in 2 in., per cent 8 The modulus of elasticity of ordinary per ton of hot metal. However, we treatment of these irons. We must in­ field so that be is ready at all times port on Nodular Iron," THE FOUN­ Brineii Hardness - - 192 DRY, May, 1949, p. 112. cast iron will be approximately 13,- must also remember that accompany­ vestigate many different types of nod­ to utilize this material for the wel­ After annealing this iron for a (7) D. J. Reese, C. K. Donoho, Gosta 000,000 to 19,000,000 psi; whereas, ing this increased cost is a marked in­ ular cast irons to determine how they fare, the benefits and the advancement period of 2 hours at 1320 degrees, Vennerholm, and R. G. McElwee, the modulus of elasticity of nodular crease-in the physical properties, re­ are affected by such heat treatments of mankind. "Symposium-Nodular Graphite Cast Fahrenheit, it presented the micro- irons will be approximately 25,000,- sulting in tensile strengths of 70,000 as normalizing, drawing, quenching, Iron," AMERICAN FOUNDRY- structure shown in Fig, 18, and bad MAN, July, 1949. p. 32. 000 psi. Nodular irons exhibit an in­ psi with yield points of 50,000 psi and tempering, annealing, induction hard­ Acknowledgment tbe following physical properties: (8) G. E. Holdeman and J. C. H. crease in toughness over ordinary cast elongations of 25 per cent. Undoubt­ ening, etc.—all at various temperature The author wishes to thank the Tensile Strength, psi 60,000 edly, there wili be considerable clarifi­ Stearns, "Variables in Producing irons and have approximately the same levels, various time intervals and in American Foundrj^men's Society, and Nodular Graphite Cast Iron by Yield Point, psi 42,500 cation of this item of cost as we learn Elongation in 2 in., per cent 16 weldabilsty. The machinability and varying combinations with one an- especially Mr. C. R. McNeill of the Magnesium Treatment," AMER­ Brinell Hardness 138 casting properties of nodular irons are more about this new engineering ma­ Editorial Staff, AMERICAN ICAN FOUNDRYMAN, August. excellent. Although there is no de­ terial. FOUNDRYMAN, for valuable as­ 1949, p. 36. (9) J, £. Rehder, "Magnesium Additions crease in fluidity, there is some in­ sistance in the preparation of this and Desulphurization of Cast Irons," crease in shrinkage, which necessitates material. AMERICAN FOUNDRYMAN, Sep­ the use of heavier risers on castings Field of Application of Special acknowdedgment and ap­ tember, 1949, p. 33. poured with nodular irons. Nodular Iron preciation goes to the following men (10) E. T. Myskowski and R. P. Dunphy, for their courtesy in supplying the "New Graphite Nodulizing Alloy," The potential field of application micrographs used in this article: THE FOUNDRY, October. 1949, p. 72. Costs of Nodular Iron for nodular irons is practically limit­ Figs. 1, 2, 3 and 4 through the courtesy of (11) J. E. Rehder, Gosta Vennerholm, Al­ Mr. D. J. Reese, Metallurgist, Inter­ The cost of producing nodular irons less. There is no reason to believe, at bert De Sy, Erik O. Lissell, A. P. national Nickel Company, New York. is, of necessity, somewhat higher than the present stage of development, that Gagnebin, C. K. Donoho, E. K. the cost of producing flake graphite nodular cast iron will replace malle­ Figs, 5, 6, 7 and 8 through the courtesy of Smith, and W. W. Austin, Jr., Mr. Albert De Sy, Professor of Metal­ irons, because of the added expense of able iron in every field of application. "What's in a Name?" AMERICAN lurgy, University of Ghent, Belgium. FOUNDRYMAN, October, 1949, p. the magnesium alloy used for treat­ The malleable iron industry will, no Fig. 9 through the courtesy of Mr. C, K. v Fig, 18—Microstrucfure of the same iron 34. •z Fig, 16—Microsfructure of low phosphorus, ment of the metal. At the present doubt, keep abreast of current techno­ Donoho, Chief Metallurgist, Amer­ as shown In Fig. lb and 17, after a two hour (12) H. Morrogh, D. E. Krause, W. W. low sulfur, low manganese iron which was ican Cast Iron Pipe Company, Birm­ time, the cost picture is rather con­ logical advances through the applica­ heat treatment at 1320 degrees, Fahrenheit. Levi, and J. C. H. Stearns, "What's melted in electric furnace and treated with ingham, Alabama. fused because so little is known about tion of magnesium treatments to its Nital etch. XlOO. (Courtesy Mr. Gosta Ven­ in a Name?" AMERICAN FOUN­ 50 Cu—50 Mg alloy. Nital etch. XlOO. Figs. 10 to 18 inclusive, through the cour­ nerholm ). DRYMAN, November, 1949, p. 44. {Courtesy Mr. Gosta Vennerholm). either the economic limitations of the irons. Such treatments will have a THE MINES MAGAZINE ® FEBRUARY. 1950 17 16 THE MINES MAGAZINE ® FEBRUARY, 1950 culated to inspire confidence. I noted floor if we hadn't been jammed so that the slip of paper he banded us to tightly together. "^I'he hat lamp bat­ sign was a release, absolving the com­ tery, which I was to learn to bate as pany from any responsibility in the the daj' wore on, gouged me in the event of an accident in the mine. At stomach and gave me the first of the this point I began to doubt the wis­ many black and blue marks I got that dom of the whole idea. day. Looking around at the other girls, "That hoistman is sure cutting her 1 couldn't help being amused at the short today. I'll have to talk with costumes they had donned for the oc­ him," remarked the Super wbo was casion, until I realized that my own our guide through the mine. Then he ensemble wasn't exactly what one told us that the eager rings a certain would wear in the Easter parade, number of signal bells Informing the either. Clad in old slacks or jodhpurs, hoistman wdiere he wants to go, and heavy, hard-toed shoes, rubber coats, the hoistman, then, hoists or lowers hard-boiled safety hats which were him to that place. noi designed by Lilli Dache, and elec­ We stepped off the cage into a large tric hat lamps with batteries which room where the exposed wall and ceil­ fastened around the waist, we were ing timbers lent a sort of "Old Colo­ ready to go down into the mine. nial" effect. It must have been very On Thursday, December 1, 1949, "Get on the cage and keep your old Colonial for the water was drip­ seven flat cars left Denver carrying elbows inside," advised our elevator- ping from the ceiling in a hundred approximately one-quarter of what is man, (or "eager" as the miners call places. I found out that the leakage said to be the largest single order of By MRS. L. D. ANDERSON him) as he closed a heavj' wire gate was from the several small under­ grinding mills ever placed with any that wedged us tightly together. ground water-courses through which manufacturer. I have followed my mining engi­ Then, without warning, he jerked on the shaft had been cut. The order, consisting of twenty-five neer husband from job to job over a piece of rope and the bottom Three hallways, dark and endless large ball and rod mills, was sold to much of the civilized, (and I use the dropped from under us as the cage opened olf tbe room. I learned later a copper mining company in Chile and word loosely) world. I have been con­ plummeted down the shaft. My stom­ that tbe room was a "timbered shaft amounts to over a million dollars tent by his side snow-bound for ach pushed up into my throat and my station" and the hallways were worth of equipment. There are nine breathing stopped, but the descent months on end in high mountain min­ "drifts" or "crosscuts." To me they ball mills, nine rod mills and seven Shop photograph of feed end of I0'xl4' Marcy ball mill showing drum and double scoop ing camps. I have sweltered happily didn't seem to be bothering the men were just tunnels. regrind ball mills ranging from six to feeder. with him in desert heat miles from so 1 swallowed a few times and man­ The Super started walking through ten feet in diameter and from twelve aged to relax a bit, that is, until we one of these tunnels and we single- the nearest town. I will continue to to fourteen feet in length. Each mill Structed for the development of a very ore and water is reduced to the proper follow him wherever be goes from tbe came to a place where the shaft cut filed after him. We were walking on is equipped with its own electric through a stream and some of the icy a train track that was much narrower large low-grade copper deposit. This size of particles for further treatment. Andes to the Arctic Circle, from Bag­ motor, some of them as large as 800 means that immense tonnages must Each rod mill and each ball mill uio to Bolivia; but there is one vast water hit me on the back of the neck. than the railroad tracks I had seen. horsepower, giving a total connected I stifled a scream and blessed the There were stretches of track that be handled and every pound of the ore working in tandem will accomplish I'egion which the soles of these little horsepower of 16,150. Total weight must be pulverized into a powder be­ rubber coat I was wearing. Without were wet and slippery and stretches this job. Tbe rod mill will take the feet will never tread again. Never of the mills and liners will amount to fore the metallic values can be re­ feed direct from the crushing plant again will I venture beneath the sur­ those coats we would all have been that were dry; sometimes there was 6,200,000 lbs. drenched. leased. The large ball and rod mills and the ball mill will do the final face of tbe earth—not even in a sub­ nothing to walk on except unevenly do this. From the pictures, it can be 'Tirst level, second level, third The units were made by tbe Mine grinding. Each such two-machine unit way. Henceforth and forever more I spaced ties. All the time my lamp-bat­ seen that they are nothing more than will handle more than 2500 tons of level," chanted the eager as we tery kept bouncing up and down add­ & Smelter Supply Company of Den­ will leave the nether regions to moles, ver, Colorado, and will equip one- large cylinders, the rod mills being ore a day. miners, and leprechauns. whizzed past spots of light. Then, ing new bruises and sore spots to my filled with rods and tbe ball mills with suddenly, we stopped. My knees buck­ third of the Chilean plant, the total The smaller mills in the order will The reason for this never-to-be- already extensive collection. balls. Through their cascading action led and I would have fallen to the cost of wdiich will be about 172-mil- have different functions such as re- shaken resolve involves a story which I thought we would never quit lion dollars. The plant is being con- as the mill revolves, the mixture of grlnding ore, grinding limestone for I would like to pass on as a warning walking. Those boots were threaten­ lime hydration and grinding silica to other overly curious '^miners' " ing to pull my legs off at the hips. A slurry for smelter flux. wives. swap of boots for muddy feet would Shipments will continue until Not very long ago, my husband have felt good then. And that battery spring over a 10,000 mile route by was working at one of the remote, just dug out chunks of flesh. rail to New Orleans and from there isolated mining camps high in the When we did stop it was in a pan­ by ship to Chile. Due to the tremend­ mountains of our West. In a moment demonium of dust-laden fog and deaf­ ous size of the mills, it was necessary of madness, I, along with several other ening noise. Up front, someone, prob­ to get special railroad clearance and "miners' " wives, conceived the bril­ ably the Super, was violently waving the shipments will have to be routed liant idea of going down into the a light. The noise stopped abruptly over lines with no tunnels and very mine on a sort of tour of inspection. but my ears continued to ring. few bridges. Our husbands objected strenuously, "How's it going, Bob?" asked the The expenditure of such a large saying that it wasn't safe and mention­ Super. sum of money by a company for grind­ ing the old miners' superstition to the "Fine," replied Bob. "Visitors?" ing equipment for the development effect that the presence of a woman "Yes, some of tbe ladies wanted to of a deposit of low-grade ore is indica­ invariably ruins a mine. But we over­ see what a mine looked like." tive of the importance which grinding processes have assumed In large scale ruled their objections and permission "This is a heading and this is an ore production. was obtained for us to go down into automatic. Bob drills a round of holes, the mine. I am happy to report that and shoots them. Then the next shift During the past fifty years, the de­ 1 the mine did not appear to suffer in mucks up," ejiplained the Super. Later mand for metals such as copper, lead, the least from the encounter; I cannot 1 learned that the "automatic" was zinc, molybdenum, iron, vanadium, say the same for myself, however. the air drill that made all the noise etc., has continually grown. At the "Well, here you are girls; sign your and that "shooting" a hole means same time, mining from a greater life away," said the Superintendent, depth and milling at high wage rates Mrs. Anderson models the ensemble worn loading it with dynamite and explod- CContinued on page 20) with a grin which wasn't exactly cal­ by fhe well-dressed lady mine visitor. (Continued on page 20)

18 THE MiNES MAGAZINE ® FEBRUARY, 1950 THE MINES MAGAZINE ® FEBRUARY, 1950 19 By low ratio of 25.1 percent in 1948 pared to $1,167 million in 1948, a re­ By WARREN H. YARROLL, '34 out and emphasize the fact that mathematical correlation JOSEPH E. POGUE when capital requirements were at a duction of $299 million. Of the out­ does not constitute conclusive proof of true cause-and-effect FREDERICK G. COQUERON maximum. According to Mr. Pogue side capital secured during the past Metallurgist, Geneva Steel Company relationship. If the mathematical correlation is of a high The Chase National Bank and Mr. Coqueron, the petroleum in­ year, 97,1 percent was borrowed and degree, then wc can say that there is strong indication of Petroieum Department dustry, like many other industries, 2.9 percent came from common stock. such relationship. If we make application of the adjust­ New York was able to pay its stockholders a None was raised by the sale of pre­ My purpose in this article is to acquaint you with a ments in practice that are indicated by a multiple correlation analysis, and the desired results are consistently achieved, Whiie earnings of thirty U. S. oil larger percentage of net income in ferred stock. relatively simple mathematical innovation which, in my then, we have rather conclusive proof of true cause-and- companies in 1950' are expected to be 1949 and still maintain a high rate of The money borrowed during 1949 opinion, constitutes a key method of approach to solving capital formation. effect relationship. We are unable to say who did the orig­ less than in 1949, their cash require­ amounted to $843 million and was many of the problems that exist in the fields of agriculture, inal work on mathematical procedures for doing multiple ments for capital expenditures like­ The financial survey also shows tbe obtained as follows: insurance com­ mining, metallurgy, manufacturing, merchandising, medical correlation, but tbe literature on the subject indicates that wise will be lower, thus enabling them sources of outside capital raised by the panies—56 percent; public investors science, all research work, and economics. It has the power it had its origin among economic statisticians as a means of to maintain present dividend rates 30 Oil Companies and by other oil and others — 24.5 percent; banks — to turn every type of full-scale operation into a research studying market fluctuations. The procedure demonstrated fairly well, according to Joseph E. companies during 1949, The com­ 19.5 percent. About two-thirds of the laboratory ideally suited to the solving of its own problems. aggregate banks loans were provided in this article is based on methods used by Richard H. Ede Pogue and Frederick G. Coqueron of bined financing transactions of both It is a tool of such vast importance that it may prove to be by New York banks. which are discussed in his article entitled "An Application the Chase National Bank's petroleum groups amounted to $868 million corn- tbe means, in future years, of obtaining answers to many of of Multiple Correlation to a Problem in Basic Open Hearth department. They are the authors of the complex problems with which industry is faced in daily Operating Rates" published in the March, 1948, issue of a financial survey of the petroleum in­ Financial Data of 30 Oil Companies operations. Industrial Heating (National Industrial Publishing Com­ dustry for 1949 which was released pany, Pittsburgh, Pa.). Readers wbo are interested in fur­ by the bank Jan. 12, 1950. Change One does not have to think long about the matter to Actual Estimate 19+9 from ther study of this subject are referred to "Methods of Cor­ Despite a drop in income of $526 concede the truth of the statement that most of the effects 1948 1949 1948 we note in this world are each the composite function of relation Analysis" by Ezekiel (2nd or 1941 edition, John million or 28 percent in 1949, the 30 (Miliion DoHars) (Percent) several variables. The size of a farmer's crop is probably Wiley & Sons, Inc.), and "Statistical Methods" by Sned- oil Companies, which comprise two- Earnings 1,877 1,351 —28.0 ecor (Iowa State College Press). thirds of the industry, were able to a function of rainfall, mean temperature during the growing Cash Dividends Declared— season, fluctuation of temperature, percentage of available increase dividends by $87 million or Preferred 7 7 18,5 percent over 1948 because capital nitrogen, phosphorous, and potassium in the soil, and the Demonstration of the Method Common 464 551 organic matter content and porosity of the soil. In mining, expenditures were lower by some $279 In order to demonstrate the mathematical procedure the grade of ore, the cost of mining, transportation, milling million or 10.8 percent. involved, we shall use multiple correlation to find the indi­ Total - - - 471 558 -f 18.5 or smelting, and the market prices of the contained metals Dividends in percent of net income vidual effects of carbon, manganese, and gauge on the ten­ Dividends in Percent of Earnings 25.1 41.3 — are am,ong tbe factors which spell success or failure. Some for the 30 Oil Companies rose to 41,3 sile strength of plate steel. There are other factors, of of the factors contributing to the saleability of an item of percent in 1949 from an extremely Capital Expenditures -- 2,591 2,312 —10.8 course, which affect the tensile strength of steel, but in order merchandise might be selling price, color, size, quality, to keep our example relatively simple we shall consider a set weight, shape, packaging, display, the time of year, part of Since the early part of the century, The present high degree of effi­ of data in wdiich these other factors are constant. The GRinDinc mius the country, and percentage of people in the vicinity with a the Mine and Smelter Supply Com­ ciency in grinding techniques and the method demonstrated works with any number of factors, (Continued from page 19) need or desire for that type of merchandise. There is, of pany has supplied Marcy ball and rod and the expansion of its use to larger numbers of independ­ has increased enormously. Therefore, many improvements in grinding equip­ course, no end of examples which could be cited to demon­ mills to more than twenty copper com­ ent variables will be obvious after you have studied the operating costs have come in for some ment have played a very important strate this simple truth. example. It has become customary in this work to designate serious study, particularly by copper panies throughout four continents. It part in making possible the utilization is estimated that if all of tbe Marcy the "dependent" variable (or the "effect" being considered) producers such as the Chilean com­ of lower-grade ore deposits throughout pany receiving the present order. It Mills furnished to the mining indus­ It is self-evident that before a person can give any intel­ as Xi and the independent variables as Xa, Xy, etc. In our the world, so necessary to supply the has been determined that grinding ab­ try operated at one time, over 300,000 ligent consideration to ways and means of controlling an present example, of course, tensile strength is the dependent sorbs the highest percentage in the tons of crude ore would be ground metal needs of an ever increasing de­ effect, whether it is good or evil, he must be in possession of variable. The first step is to post the original data with at least the following information: total cost of production. each twenty-four hours. mand from modern civilization, which you are working as shown in Table 1, and figure the 1. The causes contributing to the eifect. arithmetical average of the figures in each column. The 2. Whether the relationship between each cause and the effect is deviations of the individual figures from their own average THE LflDV m THE minE Here, I learned, the rock that carried I was just about done in, I saw the direct or inverse. the valuable minerals was broken by Super turn off from the tunnel into 3. The number of units variation brought about in the effect by a are then figured and posted with their proper algebraic signs (Continued from page 18) shooting it with dynamite as in the our starting station. unit change in the cause. in Table 2. I have found it convenient to designate the ing it to break up the rock. 4. The relative importance of the causes in contributing to the deviations of Xi as D^ and X^ as D2, etc. The squares and heading. After the ore was broken it variation in the effect in normal experience. We left the heading, and, after We had to wait a few minutes for all possible products of these deviations are then figured and was carried to the shaft on cars (hence the cage and I just dropped in my walking some distance, arrived at the the track along which we had stum­ posted in Tables 3 and 4. foot of a ladder leading up into the tracks. The cold stone floor felt like The time-honored way of studying cause and effect, of bled earlier). From the shaft, the ore a feather bed, but just when my ill- course, has been to study the effects of variations in the darkness. The Super began climbing, was sent to a mill where the valuable and we followed. Every few steps we used muscles were beginning to relax factor under consideration while all the other factors are minerals were concentrated. a little, down came tbe cage and the held at fixed values. While this method of approach must Table I bad to crawl through a small opening As we started through the stope, I in a floor. These floors are supposed Super herded us aboard like so many be given credit for having produced many practical results Origina 1 Data discovered that I needed all my con­ cattle. Up through tbe icy waterfall, in research laboratories, it has the major shortcoming that to catch anyone who falls off the lad­ centration to negotiate the broken der. I discovered that the narrow and, then, there it was . . . daylight, the attempt to hold all variables but one at fixed values in X« X;, X, rocks which made up the floor of the % Manganese Gauge (Inches) openings are also handy for catching the most beautiful sight in the world. most practical operations is either very difficult or impos­ PSI Tensile Strength % Carbon stope. Meanwhile, that instrumen.t of 1.000 onto one's lamp battery and almost sible. Multiple correlation allows us to obtain the same 39,820 0.05 0,31 torture, my lamp battery, kept bang­ In unison, we girls breathed a long information without making any changes whatsoever in tbe 49,180 0.07 0.60 0.375 pulling one off the ladder. 0.45 0.750 ing away indiscriminately at the equa­ sigh of relief; rigbt then and there we routine of normal operations. 59,160 0.22 At everj' floor, we girls had to stop torial regions of my anatomj'. came to a unanimous if unspoken 76,410 0.34 0.55 0.125 0.250 and rest, it was so hot and hard to Down some more ladders we went agreement that we would never again 81,280 0.40 0.57 We might define multiple correlation as being a method 76,460 0.39 0.35 0.500 breathe. But not for long; the Super and then we walked and walked invade the last domain of the male of 66,710 0.23 0.55 0.625 seemed to be just bursting with energy through a tunnel until I was ready to the species. Since that time I have of mathematical analysis whereby the degree of true corre­ 51,780 0.16 0.37 0.875 and we were soon up and at it again. crawl away into some dark corner of even been chary of going into a base­ lation is determined between several so-called independent Ages later we got into a stope. the mine and die. Eventually, when ment. variables and a dependent variable. Perhaps we should point 62,600 Ave, 0.24 Ave. 0.47 Ave. 0.5625 Ave. 21 20 THE MiNES MAGAZINE • FEBRUARY, 1950 THE MiNES MAGAZINE m FEBRUARY, 1950 Table 2 ri2 ^ SDiD, coefficients to 1.0000. Each pair of successive equations are counted for by variance in the Independent variables. It is Deviations then added or subtracted (according to whether the alge­ found by totaling the products of the coefficients of correla­ tion with their corresponding beta coefficients. Thus: Dx Da D* braic signs of the first terms are opposite or alike) to elimi­ The subscript "12" indicates that this coefficient is between —22,780 —0.19 —0.16 + 0.4375 nate the first set of betas. The operation is then repeated n.x/^, = -f 0.9832 x-f0.8677 = -h0.8531 -13,420 —0.17 + 0.13 —0.1875 Xi and X2. The coefficient of correlation merely shows the until all of the betas but the last one have been eliminated, — 3,440 —0.02 — 0.02 + 0.1875 "apparent" relationship between the dependent variable and and its numerical value is found. The values of the others r,,x/3, = +0.3935 x+0.0644 ^ +0.0253 -!-13,810 -i-0.10 -i-0.08 —0.4375 tbe independent variable being considered. This "apparent" are then found by successive back substitution of the known -1-18,680 -i-0.16 -ho.io —0.3125 relationship coefficient is obviously a composite effect of the ri,x^4 = -0.7450 x-0.1630 = +0.1214 -1-13,860 -1-0.15 —0.12 —0.0625 values. These beta coefficients tell us tbe decimal fraction true relationship of the independent variable under consid­ of a standard deviation in the dependent variable which is -j- 4,110 -i-0.04 + 0.08 + 0.0625 Coefficient of Determination: 0.9998 — 10,820 —O.OS —0.10 + 0.3125 eration with the dependent variable plus the effects of the independently associated with a change of one standard de­ true relationship of the other independent variables with viation in each independent variable. They may therefore This figure may be changed to percentage by merely moving 0 Sum —0,01 Sum —0.01 Sum 0 Sum the dependent variable to whatever extent each of these be converted to slope coefficients by multiplying each of them the decimal point two places to the right. So, in this case, The sum of the individual deviations from the average of other variables happens to be correlated with tbe independent by the ratio of the standard deviations of the dependent we have accounted for 99.98% of the variation in the de­ each column should, of course, be zero. A slight departure variable under consideration. It is apparent that if all of the variable and that independent variable. Thus: pendent variable by variation in the independent variables. from zero might occur due to the averages not being carried other variables were at fixed values, all of the values of tbe A more specific description of the significance of the coeffi­ variable under consideration would fall on one ordinate out to the point where there is no remainder, but the small b. = &x I = +0.8677X = +95,009 cient of determination can be given In terms of tbe statis­ departures from zero such as those above will not cause any when plotted against each of the other independent vari­ tical measure known as "variance" and which is mathe­ appreciable error in results. The purpose of adding these ables, and the "inter" coefficients of correlation would each matically the square of a "standard deviation." The co­ deviations is merely to check the accuracy of the work to be zero. In this case the coefficient of correlation would be b3 = p.^ I = +0.0644X = + 8,519 efficient of determination is the variance of the calculated this point. also the true correlation coefficient. These true correlation values of the dependent variable divided by the variance of coefficients are generally designated by statisticians as Table 3 the actual values of the dependent variable. The part of the "Beta" coefficients. From the foregoing explanation it can b, = M| = ^0.1630xJi§«A=_ 7,989 Sq.uare s of Deviations over-all coefficient of determination contributed by each be seen that In the case of three independent variables such Independent variable Is an index of its relative importance D.= D/ as we have in our present problem, the relationships between Our ultimate object in this problem is to set up a linear in contributing to variation in the dependent variable. 518,928,400 0.0361 0.0256 0.19141 the coefficients of correlation and the Beta coefficients may equation of tbe type : 180,096,400 0.0289 0.0169 0.03516 be expressed mathematically according to the following Because all Industrial data are unavoidably subject to 11,833,600 0.0004 0.0004 0.03516 three equations: Xi = a + b.X, + b,X, -h a certain amount of error above or below true values, and 190,716,100 0.0100 0.0064 0.19141 because It Is probable that there will be as much variation 348,942,400 0.0256 0.0100 0.09766 so that we can make predictions of tbe value of Xi from /Soxl.OO -\- /S^xraa + /SiXr.^ = r,. on the high side as on the low side in any given set of data, 192,099,600 0.0225 0.0144 0,00391 the known values of the other variables. We already have 16,892,100 0.0016 /?2xr2.'i -j- /5HX1.00 -|- /34xr;M = r-i?, one might logically expect to cancel out most errors by di­ 0.0064 0.00391 the "h's" or slope coefficients, so it remains merely to find 117,072,400 0.0064 0.0100 0.09766 /^oxr24 + ,83xr;^4 -j- fSixl.00 = xn viding bis data into groups and averaging the items in each the value of "a" by substituting the average values of the Either a study of the above explanation or examination of group. The multiple correlation can then be performed on 1,576,581,000 Sura 0.1315 Sum 0.0901 Sum 0.65628 Sum X's from the original data from Table 1. We find the value these equations will make the method of expanding them this smaller number of Items with the added advantage of of "a" is 40,418. Therefore: for larger numbers of Independent variables obvious to the reducing the great mass of calculations to be made. We have Table 4 Tens. Str. (PSI) = 40,418 4- 95,009 x % Carbon -f reader. By using the figures we obtained in Tables 3 and 4 followed this procedure in our own work, and believe that Products of Deviations 8519 X % Manganese — 7989 x Gauge (In.) and substituting in our formula for coefficient of correlation It is highly advantageous on both scores. DiDa DiD. D,D4 V2D.-, D^D, D.,D., It will be found that every set of data in Table 1 can be + 4,328 + 3,645 — 9,966 +0.0304 —0.08313 —0.07000 we, obtain the following values: substituted back in the above formula, and the correct values It is interesting to speculate on why multiple correlation + 2,281 — 1,745 + 2,516 —0.0221 + 0.03188 —0.02438 of X-i will be found practically on the head. The degree of has not come Into more general use. The only logical answer + 69 + 69 — 645 + 0.0004 — 0.00375 —0.00375 rn = -f 0.9832 seems to be that people simply have not become familiar with + 1,381 + 1,105 accuracy with which the values of the dependent variable — 6,042 + 0.0080 —0.04375 —0,03500 It. Therefore, the readers of this paper are urged to try + 2,989 + 1,868 — 5,838 + 0.0160 —0.05000 —0.03125 can be calculated from a prediction formula is known as the + 2,079 — 1,663 — 866 —0.0180 —0.00938 + 0.00750 "coefficient of determination." It expresses the amount of out this exceedingly useful tool insofar as it applies to their + 164 + 329 + 257 + 0.0032 + 0.00250 + 0.00500 ri3 ~ = -hO.3935 the variance in the dependent variable wdiich has been ac­ problems. + 866 + 1,082 — 3,381 -j-0.0080 —0.02500 —0.03125 Albert F. Triies, .Ir., '46, Geologist for mailing address is 215-A-8th Avenue E., + 14,157 +4,690 —23,965 + 0.0259 —0.18063 —0.183131 2DiD4 PERSonni noTEs = -0,7450 the U. S. Geological Survey, has been Calgary, Aiberia, Canada. We now have all of the figures necessary to go ahead and (Continued from page 4) transferred from Parlin, Colorado, to the Captain Jerome Zohn, '47, is now Charles JV. Rohler, '49, has moved his Denver Federal Center, Denver 14. calculate our "coefficients of correlation," This coefficient stationed in Spokane, Washington, with residence in Gary Indiana, to 468 Tyler, Carl Ji''. Tuttle, '28, has moved his resi­ office address 607 Empire State Building. is an index of how closely the relationship between two sets - +0.2379 Apt. 23. He is serving as Junior Engineer dence to 8850 So. Harper Avenue, Chicago of figures fits their "line of least squares." It can be proven for Cities Service Oil Company (Del­ 19, Illnois. He is Senior Service Metal­ by calculus that the most probable straight line that can be aware). lurgist for Carnegie-Illnois Steel Corpora­ BIRTHS JVUUam C. Rump, '33, Rancher, is ad­ tion. drawn through a group of plotted points from the associated 2D2D4 Mr. and Mrs. Marvin E, Lane wel­ = -0.6149 dressed Apt. 16 Demerschman Gardens, Cecil R. JValhridge, '29, Denver Sales values of two variables is that line concerning which the ^24 — comed a daughter into their home on Grand Junction, Colorado, Manager, Worthington Pump & Machin­ February 22, 1949, whom they have named sum of the squares of the deviations of the points from the ery Corporation, was on vacation recently Paul R. Shankiin, '48, has moved his Linda Beth. She weighed 6 lbs, 7 ounces in the Southwest where he renewed ac­ line is a minimum. Perhaps a clearer understanding of the residence to 331—10th Street, South, Vir­ at birth. - -0.7531 ginia, Minn. He is Mining Engineer for quaintances with Mines Men in Texas matter can be had if we first define the term "standard de­ Mr. Lane, of the class of '44, is with Oliver Iron Mining Company, and Oklahoma. While in Houston he spent viation," usually designated by the symbol 8. The "standard three days at the new Shamrock Hotel the St. Joseph Lead Company at Balmat, Craig R. Smith, '49, Petroleum Engineer deviation" of a set of figures is obtained by adding the Substituting these values in our three equations giving the and enjoyed the modernistic atmosphere St. Lawrence County, N. Y. for Sinclair Oil & Gas Company, is now squares of the deviations of the individual figures from their relationships between beta coefficients and coefficients of of the 22 million dollar structure. being addressed Box 3386, Odessa, Texas, Mr. and Mrs. Lester B, Spencer are the own average, dividing this sum by the number of figures, correlation, and solving them simultaneously, we obtain having been transferred from Balroil, I.. E. JVichmann, '21, Production Super­ proud parents of a daughter, Susan Eliza­ and then extracting the square root. The "coefficient of the followmg values for our betas: Wyoming. . intendent for Shell Oil Company, is now beth, born June 21 1949, correlation" is the decimal fraction of a standard deviation George H. Speirs, '31, President of located in Houston, Texas, residing at Mr. Spencer, '44, is associated with = -f0.8677 in the dependent variable that wiil be associated with a Seismograph Service Corporation of Del­ 2918 Ruth Street, Houston 4. Sohio Petroleum Company in Edmond, Oklahoma. change of one standard deviation in the independent vari­ ^3 = -h0.0644 aware, is still in Caracas, Venezuela, but Albert fJ. Jf^ieder, '34, has been pro­ has a new address there, Apartado 3706. moted to Exploitation Engineer for She!! (Continued on page 40) able under consideration. If there is no correlation what­ = —0.1630 Oil Company and is addressed in care of soever, the coefficient will be zero; if the correlation is per­ A shortcut method for solving the equations for beta co­ the company. Box 1193, Tulsa, Oklahoma. HERON ENGINEERING CO. fect and direct, the coefficient will be -}-1 ; if the correlation efficients known as the Doolittle method is explained by EXPERT REPORT WRITING James C. JVoodrug, '48, Right of Way PE. 6097 is perfect and inverse, the coefficient will be —1. In han­ Ezekiel. Any standard method for solving simultaneous Professional Reports, Fieid Reports, Gradu­ and Claims Agent for Ford, Bacon & ate Theses, and other typing which re­ Davis, Inc., is addressed Watervliet, Plant layout and design of mine, mil] and dling industrial data, of course, we usually find coefficients quires expert work. AM work guaranteed smelter facilities, including structures, equations, of course, is satisfactory. When one is working for accuracy and neatness. Michigan. somewhere in between these values. Mathematically, the aerial tramways, and waste disposal sys' with a fullj' automatic calculating machine, it is quite sim­ Mrs. A. J. Sude, 3rd — P. O. Box 374 James K. Ziegler, '41, is Canadian terns. coefficient of correlation, always designated by the symbol ple to divide all the way through each equation by the co­ Solden, Colorado Supervisor for the Century Geophysical 2000 So. Acoma St., Denver, Colo. "r," is expressed as follows: efficient of the first beta, thus converting each of these first Corporation of Ttdsa, Oklahoma. His 23 22 THE MINES MAGAZINE ® FEBRUARY, 1950 THE MiNES MAGAZINE ® FEBRUARY, 1950 in fhew columns tha latest In equipment of interest to our readers is reviewed. Many readers request additional in­ Dr. Suits said that Admiral Macaulay formation and prices. For iheir convenience each article is numbered. Fill in the number on fhe coupon ai tlie bottom Nei!} AEC Report on Isotope Distribu- at its peak. It has now been completely of the page and mail your request to Mines Magaiine, checking Information requested. tio7t. More than 300 universities, hospitals win be responsible for general adminis­ evacuated. Present construction workers and research laboratories in +1 states and tration in the atomic laboratory. At the live in North Richaind, about five miles territories of the United States are using same time he announced that Lawrence north of Richland. New Visual Sampler (678) isotopes produced by the U, S. Atomic L. Ferguson, who is also assistant execu­ Hanford Operations.* In huge nuclear Denver Equipment Company announces Energy Commission for medica!, biolog­ tive engineer, will take charge of the reactors or atomic "piles," consisting production of a new Deco Visual Sampler ical, industrial, agricultural and scientific West Milton Area Project, where an ex­ largely of graphite blocks surrounded by which provides for instant, visual inspec­ research and medical diagnosis and treat­ perimental atomic power plant is under thick concrete shielding, are placed slugs tion of mineral concentrating efficiency. ment, the Commission stated in a report construction by the A.E.C, as part of the of uranium, canned in aluminum. The The Deco Visual Sampler is a self-con­ published recently. laboratory facilities, Mr, Ferguson will chain reaction in the U-235 present liber­ tained unit consisting of a %" Denver The report, "Isotopes—A Three-Year be responsible for co-ordinating all ates neutrons, which cause a transmuta­ Suction-Pressure Pump and a Pilot size Summary of U. S. Distribution," is avail­ phases of design and construction for this tion in several stages of the more abund­ Denver-Wilfley Concentrating Table able to the public from the Superintend­ project, said Dr. Suits. ant and heavier isotope of uranium mounted on a structural stee! base. Both ent of Documents, U. S, Government AEC Issues Guide for Contracting of (U23S), into a new element called plu­ pump and table are driven by V-belt Printing Office, Washington 25, D, C. Construction a?id Related Engineering tonium. This can be used, like U-23S, as drive from one only h.p. electric motor. for a price of 45 cents. Services. A U. S. Atomic Energy Com­ an atomic fuel. After removal from the A lamp with flexible arm provides day­ The report provides a useful measure mission booklet entitled "A Guide for reactors, the uranium slugs are taken to light illumination over the table. A min- of the value of isotopes to peacetime re­ Contracting of Construction and Related separation plants, enormous canyons of eraiight lamp can also be used to detect search by listing more than ISSO publi­ Engineering Services," which describes concrete, where the plutonium is separated fluorescing minerals or to identify or trace cations that have been issued on work how AEC construction and architect en­ by remotely. controlled processes. The reagents having fluorescent qualities. done with these valuable products of the gineer contracts are awarded, was placed uranium remaining is stored for future Denver Visual Sampler can be mounted atomic energy program. on sale recently by the Superintendent of processing. on flotation machine or other concentrating The report also summarizes the growth Documents, U. S. Government Printing Knolls Atomic Po tools, shock absoi'bers, molor oii. padlocks RECEIPTS ami many others, Arch Street, York, Pa., a 4 page bulletin describ­ Budqet and Finance vators and various ing and illustrating pressed steel tm'ntables. drives. (5350) "PAY DIRT," December 16, 1040, by Gives dimensions of ail standard sizes and de­ CHARLES O. PARKER, '23 1950 Arizona Small Mine Operator's Association. 52,S Actual scribes operation and construction features. En­ Nominations Budget Title and Irust Bldg.. Phoenix, AriKoua, a 16 closed throw-awa,y list hL'ieily describes units such 1949 Adopted (5338) "DECO TREFOIL," Kovember, Decem­ page paper devoted to news and articles of par­ as dryers, feeders, ciarifiers and others. HARRY J. McMICHAEL, '39 ber 1940, by Denver Equipment t'ompany. Den­ ticular interest to Arizona small mine owners. Accounts Receivable _ _ $ 3,553,90 Capability Exchange $ 3,494,89 ver, Colorado, a IG paffe magazine containing Lead ai'ticie in this issue concerns in'oposed new (5364) V-BELTS, "Gates Industrial News," De­ Capability Exchange - 3,780.49 illustrated articles of particular interest to metal­ laws ior the control and regulation of securities cember 19 49, by Gates Kubber Company, 9 99 HERBERT W. HECKT, '36 4,500.00 lurgists, engineers and millinen. The "Enginoer- transactions. South Broadway, Den\er, Colorado, contains 4 Dues 5,707,00 ing Kotebook" in this issue contains an article on Publications 6,224.00 (5351) TARIFFS, a 2S page booklet by Amer­ ) ages describing and illustrating various applica­ tiotatiou. its technical status, cost problems and tions of Vulco-rope drives, including in this issue, LYNN W. STORM. '02 Miscellaneous 139,21 100.00 applications in such operations as sizins^, clean­ ican Tarilf League. 19 West 4 4th Street, Kew York IS, N. Y,, coyering the proceedings at the lifting magnet eeuerator. paper stock beater, air Research and investigations ing peas anri wheat, separating fossil resin from (.'ompressor. gear bobber and otliers. Public Relations 537.65 800.00 coal and otliers. Leagues 64th Annual Jleeting on October 26, A, GEORGE SETTER, '32 1949, in Kew York. Material, largely devoted Publications 28,929.56 35,301,00 (5339) "SWITCHGEAR FOR MINES." Bulle­ to addresses deliveied on such subjects as currenc.y (5365) "MINERAL INFORMATION SERVICE," Membership tin CKA ,'>4a(i by Apparatus Department, Gen­ December 1049, by Division of Mines. California devaluation, balance of trade, American policy JOHN H. WINCHELL, '17 $42,647.81 $50,419,89 eral I'ileciiic Company. Hchcneetady, Kew York, in Germany and othera. Department of Katural Hesoui'ces, Ferry Bldg., contains S pages illustrating and describiiis: see- San irancisco 11, Calif., a monthly news release Legislation DISBURSEMENTS tionalizing and reclosing units and their applica­ (5352) "NEW MEXICO MINER AND PROS­ concerning mineral industry and resources of tion in niine power ivi- Products, Inc., 22 Thaiiies street, Kew Y"ork (1, as sheetrock wallboard, paint and insulating ma­ HOWARD A. STORM, '29 Rent - 1,080,00 sion of Thomas A. Edison, Lie, West Orange, terials, 75.00 New Jersey, a 10 iiage illustrated maeaKinc de- K, v., contains 24 pages describing and illustrat­ CLYDE O. PENNEY. '36 Repairs and Renewals 23,65 seribiiig use of siorago battery power in fork ing various applications of industrial cleaning (5368) "WASHING THICKENER," BuRetin Ko. 13,000:00 materials, such as Diesel cooling systems, vacuum MARVIN ESTES, '49 Salaries 11,138.23 truck loaders, portable balers, marine electrical pans, aluminum pistons and others. Also in­ ;-!07l by The Dorr Company, 570 Lexington Ave­ 195.00 EVstellis, uon-ele\ating platform trucks and otliers. cluded is a directory of Oakite Technical Service nue, New Voi'k 22, N. Y., contains 0 pages de­ Social Security 105.40 (5343) "DORR MANUFACTURING METHODS," Representati\'es. scribing and illusti'ating the Dorr washing tliick- 400.00 a II) page pictorial review by Dorr Company, ener for counter current decantation giving ad­ Stationery and Supplies - 420,19 Lie, o70 I.eNinston Avenue, Kew York. K. 1"., (5355) HARDINGE PLANT FACILITIES, Bul­ vantages over other tvpcs and operating data, 200.00 illustrations sliow construction features. Telephone and Telegraph 186.51 illustrating the methods, eiiuipment and facilities letin A,S.—400 by Hardinge Co., inc., 240 Arch MEETINGS used iu the iiianufacture of Dorrco ef|uipment. Street, York, Pa., contains 12 pages describing Traveling There are ^'ie^vs of the fonndry. gear milling, cast­ and illustrating Hardinge plant facilities and in- (Continued on page 40) ing assembly and ali phases of manufacture. Executive Committee Meetings $42,867.30 $50,349.92 (5344) "HEALTH AND RECREATION IN DEN­ 3rd Monday of each month. Alumni Office, VER," a IG page magazine by Denver rhamber RECAPITULATION of Oonimerce, Chamber of Commerce Building, 7:30 P. M. Cash on hand, January 1, 1950 $ 1,098.80 Denver 2. Colorado, describes ami illustrates the i MiNES MAGAZINE I am interested in ihe following publications; Alumni Council Meetings natural and man-made advantages of Denver as I 734 Cooper Building Nos. „ , _ , Estimated Receipts, 1950 50,419.89 a place to live iiicKiding scenery, climate and 4th Thursday of each month. Argonaut recreational facilities. I Denver, Colorado Hotel, 6:30 P. M, $51,518,69 (5345) OFFICE SUPPLIES AND EQUIPMENT, Publication Committee Meetings Estimated Disbursements, J950 50,349,92 Folder by W. H. Eistier Stationery Co.. KiaG I Please Name Champa St.. Denver, Colorado, cataloging vari- have 2nd Monday of each month, Alumni Estimated Credit, December 31, 1950 ...$ 1,168,77 nns items of oliico oqnipment and supply, iticlinl- copies Street Office, 5 P, M, ing filing cabinets, storage boxes, folders, ap­ Approved by Budget and Finance Committee. pointment books, columnar forms, ledger leaves, [ mailed Magazine Staff Meetings, Alumni Office Ciiy ... state „ ledgers and binders illustrated. to: on call. Adopted by Executive Committee.

30 THE MINES MAGAZIN: © FEBRUARY, 1950 THE MINES MAGAZINE ® FEBRUARY, 1950 31 Colorado School of Mines Alumni Association

January 12, 1950 President Coiasanti's Message

The Annual Meeting of the Colorado School of Mines President Kingman thanked all who had helped make Fellow Miners: Alumni Association was held on Thursday evening,' Janu­ 1949 a successful year and paid especial honor to Frank C. It is with deep appreciation that I ary 12, 1950, in the dining room of Daniels & Fisher, Den­ Bowman, Executive Manager. He now called upon the accept the high honor you have be­ ver. Shortly after 6 o'clock "Miners" began to arrive. By president-elect to take over. stowed upon me in electing me to 7:15 when the dinner call sounded, many classes were rep­ President James Colasanti expressed his appreciation of direct the affairs of the "Mines" resented by those assembled. New acquaintances were made the great honor bestowed upon him and promised that every Alumni Association for the year 1950. and many "old timers" welcomed each other for the first effort would be made to promote the best interests of the In accepting this responsibility I am time in years. Association and the Colorado School of Mines. fully aware of the important part the All enjoyed the fine roast beef dinner during which Those present were: Association plays in the well-being of the School of Mines and its graduates. many wild stories were exchanged. When Charles Parker Roger M. Schade, '21; H. J. McMichael, '39; E. F. White, '36; and Rut Volk sit opposite each other at the same table— H. W. Heckt, '36; Ed Kingman, '34-; Jim Colasanti, '35; A. George The fine record made by j'our Of­ Setter, '32; Frank Geib, '40; Ben Parker, '24; C. W. Livingston, everyone listens—there is never a dull moment. ficers and Committees during the past With a few welcoming remarks, President Ed Kingman '33; Will H. Coghill, '03; Gordon Hurd, '41; A. W. Culien, '36; Robert L. Bolmer, '44; Earl L. Durbin. '36; Albert M. Keenan, '35; year stands as a challenge to greater opened the meeting and then introduced Ted Stockmar, '43, Jack H. East, Jr., '10; John Winchell, '17; W. G. Howard, '36; accomplishment. With the help of my a member of the Board of Trustees. He then called upon W. A. Kyelberg, '35; A. R. Martin, '42; Dart Wantland, '36; associates you have elected, and the Dr. Ben Parker, President of Colorado School of Mines to Casper Hofmann, HI, '36; Edward F. Taylor, Ex-'37; Douglas men who will direct newly appointed make a few remarks pertinent at this time. According to Dr. V. Watrous, '40; Jerry F. Dieckman, '08; David M, Evans, '36; Otto L. Schmitt, '35; Ted P. Stockmar, '43; Jack Coke, '28; B. M. JAMES COLASANTI Committees, I have every confidence A. GEORGE SETTER Parker, conditions at the school are good. A year ago alumni Bench, '30; George O. Argall, Jr., '35; Hildreth Frost, Jr., '39; President that the challenge will be met. Vice-President brought to the attention of the Colorado State Legislature Wendell W. Fertig, Ex-'24; Tenny C. DeSollar, '04; A. F. Hewitt, Member of Executive Committee Member of Executive Committee the great need of the school for increased appropriations. '05; Arthur W. (Pop) Buell, '08; B.ud Shanley, 'IS; Bruce You can rest assured that sugges­ Although the goal was not reached, the school did get fair B. LaFollette, '22; Alan L. Stedman, '48; Howard Storm, '29; M. tions }'ou may have to help make the treatment in appropriations. The funds provided allowed A. Jorgensen, '28; Clyde O. Penney, '36; Allan E. Craig, '14; W. H. Bashor, Jr., '49; Tom Schalk, '49; John J. Flynn, '4B; James Alumni Association more effective or changes to be made in the teaching staff and the school. The R. Torpey, '49; Norman Domenico, '48; Earl L, Rau, '47; Dave more useful to "Mines" Alumni, the school is the faculty: the faculty is the school. Alumni in­ Gieskieng, '41; Bill Manning, '40; Russell H. Voik, '26; C. O. School or its students, will be always terest and help has been of great benefit. Parker, '23; Harry McNeill, '24; Frank C. Bowman, '01; Robert welcome and receive every considera­ W. Evans, '36. tion. Greater financial assistance was received by the school through donations in 1949 than in any previous year, ex­ The work of the Placement Service cluding the Guggenheim gift, since the founding of the is recognized as one of the most im­ school. It is hoped that such gifts wiil continue to increase portant activities of the Association. in the future as they will help the administration in meeting Membership Commiftee by A, George Sefter, Vice Chairman. Through this Service every effort will the many demands confronting them. January 1, 1949, Total number of Graduates 3,426 be made to not only find proper em­ A new chemistry building is "in sight." Specifications Cla«s 1949 279 ployment for those who are in imme­ are about completed and bids wiil be requested in February. diate need of it but also to assist those December 31, 1949, Total Graduates 3,705 who desire to better their conditions It is expected that the building will be ready for occupancy Deceased 479 by February i5, 1952. This will meet a long standing need. and advance professionally. You are indeed fortunate in that the Capa­ The 75th Anniversary Celebration of the founding of 3,226 Life Members 195 bility Exchange Committee for 1949 the school was held in the fall of 1949 and was a great suc­ Annual Members 1,899 2,094 have offered to continue their services cess from every standpoint. "Mines" was honored by guests for 1950. They have given a great from many of the great educational institutions of the world. December 31, 1949, Possible Annual Members. 1,132 deal of time and thought toward the Favorable comments have been heard from around the world. Members 1949: Life Annual Associate ROBERT W. EYANS MALCOLM COLLIER January 1, 1949 198 1,744 132 Secretary Treasurer Two important academic changes have been made in the New 36 11 Member of Executive Committee (Continued on page 43) Member of Executive Committee past couple of years. Reinstatement - - 37 1 junior, Class 1949 166 (1) A coal mining option has been added to meet tbe great demand for trained men in coal min­ 198 1,983 144 ing. Dropped (Non-Payt.) 76 8 3 8 1 (2) A Geophysical engineering degree is now con­ Deceased .— ferred instead of a Geological engineering de­ December 31, 1949 195 1,899 135 gree with a geophysical as previously granted. Jati. 1, Dec. 31, Gain or The Athletic Department has done well this past year Total Membership 1949 194-9 Loss Life - - 198 195 — 3 and should do much better in the future. Annual - 1,744 1,899 + 155 President Kingman now called for reports from each Associate 132 135 + 3 standing committee and these are found in the following S 2,074 2,229 + 155 pages. The Nominations Committee, through its chairman, Frank Geib, reported that 953 ballots were received and Report of Capability Exchange Committee by Harry J, McMichael, Chairman. the committee certifies the election of the following officers During the year 1949, 8,919 letters were written to employers for the year 1950; and those seeking employment, both in the United States and President, James Colasanti, '35 foreign countries. This compares with 4,867 letters written in Vice President, A. George Setter, '32 1948. Secretary, Robert W. Evans, '36 Interest in Mines placement service continues to expand and Treasurer, Malcolm E. Collier, '22 many new employers have been added to our list. During the Member of Executive Committee, Robert J. McGione, '27 ROBERT J, McGLONE HARVEY MATHEWS Director, C. S. M. Foundation, Edward J. Brook, '23 (Continued on page 34) CARL I. DISMANT Member of Executive Committee Member of Executive Committee Member of Executive Committee 32 THE MINES MAGAZINE 9 FEBRUARY, 1950 THE MINES MAGAZINE • FEBRUARY. 1950 33 AUDITOR'S REPORT SCHEDULE "B" TREASURER'S REPORT 19+9 Beginning with January, the cost of pr inting of Mines Maga- Mr. Malcolm Collier, Treasurer BALANCE SHEET COLORADO SCHOOL OF MINES ALUMNI ASSOCIATION zine was increased 22^% which made it difficult to keep within Colorado School of Mines Alumni Association ASSETS RECEIPTS our estimated budget. This accounts for a drop in net income Denver, Colorado Undeposited Cash .....$ 188.00 From Accounts Receivable - - - -$ 3,553.90 shown in the comparative figures for the past four years. Dear Sir: Bank 816.39 Capability Exchange - - 3,780.49 1946 1947 1948 1949 Acting on this assignment, your auditor has made an exam­ Petty Cash so.oo Dues - 5,707.00 Budget for receipts-.$22,963,00 $26,740,00 $29,060.00 $35,319.00 ination of the books of your Association for the month of Decem­ Accounts Receivable 3,494,89 Miscellaneous — 139.21 Budget for Expend­ ber, 1949. The bank balance was found correct after adjustment Prepaid Postage and Expense 141.36 Public Relations - -- 537.65 itures 16,354.00 20,205,00 22,824,00 28,674.40 for recorded outstanding checks. Returned checks were verified. Cabinets & Shelves 41.75 Furniture & Fixtures 329.2S Publications -- 28,929.56 Budget Receipts over Petty Cash was counted today and found on hand. $42,647.81 Expenditures $ 5,609.00 $ 6,535.00 $ 6,234.00 $ 6,644,60 Receipts of the Association for December were checked Total Assets -.. $ 5,061.57 against copies of receipts and ali recorded receipts were found DISBURSEMENTS $26,464,49 $34,387,18 Less: Gross Income $19,881.63 $22,951,91 to have been deposited in the bank account. For Accounts Payable $ 4,310.50 Accounts Payable $ 3,672,52 Actual Expenditures 12,945.19 18,329,04 19,363.26 28,486.90 Expenses for December were $5,630.87 while Receipts were Audit - -- 190.00 Deferred Income .— 516,50 4,189.02' Net Income $ 6,936.44 $ 4,622.87 $ 7,101.23 $ 5,900.28 $3,861.57 making a loss of $1,769,30 for the last month thus bring­ Bank Charge - - -- 1-74 ing the net profit for the year 1949 to $17.18 as shown in Schedule Capability Exchange —- 535.39 NET WORTH J 872,65 "A". Mr, Bowman was credited with $51.55 as a management Furniture & Fixtures 77.25 SCHEDULE "C" ' fee. No depreciation was set up. Membership Committee - 118.84 ALUMNI ENDOWMENT The following schedules are submitted: Miscellaneous - 294.94 PLACEMENT FUND (Continued from page 32) "A"—Profit & Loss -$ 430.20 Postage - 798.93 Balance, December 1, 1949 year much time has been spent in building up the records of Mines Twelve Months Ending December 31, 1949 Printing & Multigraphing 323.04 Receipts: men, and there are still a large number of records incomplete. "B"—Balance Sheet 157.25 Public Relations -- - 608.86 Contributions Many top jobs have gone unfilled for the reason that we did not December 31, 1949 Publications 22,653.83 587.45 have complete records of men qualified for recommendation. "C"-—Analysis Alumni Endowment-Placement Fund Rent - 1,080.00 Less: December Expenses 188.00- The Capability Exchange Committee has held regular meet­ December, 1949 Repairs & Renewals —- 23.65 Bank & Cash Balance 399,45 ings throughout the year with an attempt to improve on our place­ Sincerely yours, Salaries 11,138.23 Less: Accounts Payable 1,66 ment service. This placement service is made possible through (Signed) MONTGOMERY R. SMITH, Social Security - 105.40 the voluntary contributions from a iarge number of Mines men and MRS: JR Certified Public Accounta?it. Fund Balance, December 31, 1949 -$ 397.79 Stationery and Supplies 420.19 employers. Many Mines men contribute annually to this service SCHEDULE "A" Telephone & Telegraph 186,51 Bank 327.20 even though they are not in search of employment. An important PROFIT & LOSS STATEMENT Cash Traveling - 72,25 function of the placement service is to advance men both finan­ INCOME: Publication & Books $ 399.45 $42,867,30 cially and professionally, who are already employed, A large Advertising ..$12,947,58 RECEIPTS amount of research is necessary to place men who are either un­ Subscriptions 9,995.34 Balance beginning January 1, 1949 - -$ 1,318.29 employed or desire to make a change of employment. This placed Books Sold 1,902.66 Public Relations Committee by Edwin E. White, Chairman. Income to January 1, 1950 - • 42,647.81 a heavy additional load on the placement service which is re­ Miscellaneous 558.15 Annual Business Meeting, Jan. 14, 1949: $43,966.10 flected in the increased number of letters that were sent out to Directory 4,114,63 Receipts—Sale of Tickets $ 99.00 DISBURSEMENTS employers. Postage 104.30 Disbursements—Dinners served 121.00 Expenditures, Year 1949 - -- $42,867.30 Place- Copies 1,199.85 Deficit, Reservations made not taken $ 22.00 $ 22.00 Balance on Hand $ 1,098.80 Cails Referrals meuis Reprints —- 576.00 Annual Banquet, May 26, 1949: RECAPITULATION Administrative Engineers 8 2 1 Cuts 512,15 $31,910.66 Receipts—-Sale of Tickets $454,50 Cash in Bank - $ 816,39 Assayers - - 2 1 —- Dues -.: 5,619.00 Disbursemetits— Checks for Deposit - - - 188-00 Chemists 11 2 — Public Relations Committee 537.65 Dinners served $441.88 Petty Cash - 50.00 Civil Engineers 1 1 — Miscellaneous 21.89 Entertainment 16,00 College Dept. Head — — Multigraphing 1,50 Postage Deposit -- 44.41 Capability Exchange—Net Income.— 3,245,10 College Instructors — — — Postage — 35.09 Office Equipment —- - 41.75 Total Income $41,334.30 Furniture & Fixtures -- 329.28 Consulting Engineers 2 4 1 Printing 15.20 509.67 Construction 15 6 2 EXPENSES: $ 1,469,83 Deficit $ 55,17 55.17 Drafting & Design — 9 4 2 Publication (Schedule "A-l") ....$26,154.46 Accounts Receivable —- 3,591,84 Electrical Engineers 4 2 — Salaries 11,138.23 77,17 Football Banquet, December 2, 1949: $ 5,061,67 Fuel Engineers — — — Public Relations Committee 608,86 Receipts-—Sale of Tickets $302.00 Accounts Payable - 4,189.02 Geologist & Geological Engineers 20 28 3 Rent - 1,080,00 Disburs e ments—• Geophysics 10 23 4 Postage General 761.55 Net Worth, Januaiy 1, 1950 - - $ 872.65 Dinners served $212,96 Hydraulic Engineers — — ~ — Telephone & Telegraph 186.51 Respectfully submitted, Multigraphing 11.20 Industrial Field 4 1 — Membership Committee 118.84 M-'VLCOLM E. COLLIER, Postage 38.38 Treasurer. Lubrication - -—• — •— Stationery & Supplies 410.67 Photographs 10.50 Mechanical Engineer 5 1 — Printing-Multigraphing 315.24 Printing 1.50 274.54 Reporf of Publications Committee by Herbert W. Heckt, Chairman. Mechanics 2 4 — Audit 190.00 During 1949, Mines Magazine was published monthly and Metallurgy (Pyro) 11 14 2 Repairs 23.65 Profit $ 27,46 27.45 consisted of eight regular issues, four special issues and the Year Metallurgy (Hydro) 13 24 i Bank Charges 1.74 Deficit for year $ 49.71 Book and Directory of Mines Men. On account of the extra num­ Military Government - — — — Social Security Tax 105.40 ber of special issues, schedule of publication was rather irregular. Mining (Coal) - 10 2 — Clerical 114,54 Athletic Committee by Robert J, McGlone, Chairman. The total number of pages published during the year are Mining (Metal & Non-Metallics) 44 36 9 Management Fee 51.55 ALUMNI LOAN FUND shown as follows: Petroleum Production 24 22 — Advertising 24.88 January 1, 1949, Balance— 8 regular issues of 48 pages each - 384 Petroleum Refining — - 1 4 -— Christmas Expense 31.00 Checking Account $ 661.45 1 Mining Convention Number, March 64 Radio & Electronics — — 6 — Total Expenses .$41,317.12 Receipts-—• 1 Special Commencement Issue, 75th Anniversary, Research 8 22 1 Net Profit $ 17,18 Contributions $ 258.00 June - - --- 108 Safety Engineers ; -— — — Interest on Loans 11.00 SCHEDULE "A-l" 1 75th Anniversary Celebration Number, October.... 80 Sales Engineers - 22 36 6 Payment on Loans 125,00 394.00 PUBLICATION EXPENSES 1 Special Petroleum Number, December 132 Spectographer - — — — 1,055.45 Books $ 1,443.18 1 Year Book of Mines Men, 1948 — J16 Surveyors —- — 20 13 4 Disbursements—• Commissions 365.87 New Loan made 250.00 884 246 268 36 Copyright 48.00 COMPARATIVE PROGRESS OF THE PLACEMENT December 31, 1949, Balance— This makes a total of 884 pages which is 72 pages more than was Cuts 1,645.11 SERVICE Checking Account published in 1948. During the year 1949, 43,118 magazines were Index 210.00 )S.45 January 1, 1949, Balance— published as against 37,273 during 1948. The number of pages in Calls for Men 1948 512 Magazine Printing 16,362.65 the Year Book was reduced in order to save a considerable Calls for Men 1949 - 246 Magazine Postage , 390.52 Savings Account $4,414,61 amount in postage. It wiil be necessary to increase the number Miscellaneous — 75.45 Receipts— of pages in this publication for 1949. Decrease - — 266 Postage - 940.21 Payment of Loan 300.00 Many delays were encountered in the publication of the 1948 Percentage of decrease 52% Printing 91.35 Bank interest 45.76 345.76 Year Book, which was not mailed until about the middle of this Placements 1948 - 54 Reprints 460.72 Decenaber 31, 1949, Balance— year. Every attempt is being made to have the 1949 Year Book Placements 1949 - -- 36 Stationery 311.96 Savings Account 4,760.37 ready for mailing the early part of March. On December 31, 1949, there were 37 calls for men remain­ Stencils - 78.42 January 1, 1949, Members of the Alumni Association and others could save ing unfilled as compared with 328 calls remaining unfilled, De­ W. K. Summers 120,00 Due on Notes 548.00 a great deal of expense in the publication of this issue by mail­ cember 31, 1948. Our active list increased from 226 men at the Telegraph 28,19 Receipts— end of 1948 to 415 men at the end of 1949, ing their Directory cards early. This would avoid a great many Wrappers 54.40 Checking Acct.-— The Capability Exchange Committee has published a circular late changes which are expensive. Directory 3,193.68 Payments 125.00 covering the Mines placement service which has been distributed The i4th ANNUAL PETROLEUM NUMBER which has re­ Clerical -- 189.87 Savings Acct.— to all Mines men. The Committee had planned on publishing cently been mailed was probably the finest publication we have Multigraphing 127.38 Payments 300.00 425.00 a job list for distribution twice a month. This plan was not ever turned out and contained 132 pages. A mistake was made Supplies -- - - 17.50 123.00 on the front cover of this issue in the price which should have been carried out but wili probably be put into effect this year. This New Note 250,00 $1,50. Even at the price of $1.50, we wiii have to face a loss on publication would be distributed by air mail to both employees $26,154.46 this publication. and employers who subscribe for the service. December 31, 1949, Due on Notes 373.00 34 THE MINES MAGAZINE 9 FEBRUARY. 1950 December 31, 1949— Total Balance $5,938.82 Alumni Endowmenf—Placement Service by Roger M. Schade, Chair­ January 1, 19+9, Balance $ 7+1.85 man. Receipts— The receipts and disbursements for the Placement Service are Initiation Fees - - $ 512.00 shown in the foiiowing detailed statement. This shows a gain Contributions - 172.00 of $29.85 in the cash balance over the beginning of the year. Interest, Securities _ +3+.50 January I, 19+9, Balance - - - $ 369.60 Bank Interest _ 8.99 l,127.+9 Receipts— $1,869,3+ Contributions _ $3,58+.+6 Disbursements— Junior Memberships - 267.00 3,851.+6 Subscriptions to Magazine $+,221.06 Members for life—24 96.00 Disbursements— December 31, 1949, Balance $1,773.34 Multigraphing - -.- $ 24.75 SECURITIES FROM WHICH INTEREST IS DERIVED— Postage - - 332.83 11 shs General Electric, N, P., Common stock— Printing _ 98.00 Div, Payable Jan., Apr., July, Oct., 50c. Rent - - - - 300.00 18 shs The Texas Company, P. V,, Capital stock— Repair & Renewals 2.50 Interest Payable Jan., Apr,, July, Oct., 75c -1- Ex. 75c, Salaries 2,9++.83 The Colorado School of Mines is still holding together after all these They wrote the section on geology $1,000 U. S. A. Treasury Bond, Defense Ser., Dated 1/1/42 Stationery -. 111.31 years and commented that Chauvenet in the last regular edition of the en­ 2%% Accumulative. Research Foundation Telephone - 1.39 $600 U. S. Savings Bond, Ser. G, Dated 9/1/+3 established early in 1949 and di­ Hall is probably the most needed ad­ cyclopedia and have been asked each Due Loan Fund from Contribution 6.00 3,821.61 Interest Payable March, Sept. rected by Vernon L. Mattson, '26, has dition to the campus. succeeding year to provide the supple­ 20 shs Kennecott Corporation December 31, 19+9, Balance , $ 399.+5 new activities and plans scheduled Being the editor of The Oredigger ment for this section. Div. Payable Jan,, Apr., July, Oct. 25c + Ex. $3.00. 10 shs Amer, Smelt, & Refin. Co., N. P.,- Common stock with the appointment of Merle N. occupied much of Mr. Mattson's Aiumni Endowment by Roger M. Schade, Chairman. Div. Payable Jan., Apr., July, Oct, 75c -f Ex, $2.00, Shaw, '25, as research metallurgist, spare time during his senior year. It Engineering Council Recognizes It is not clear in the mind of many as to the function of the 20 shs Sperry Corporation, P. V., Common stock— Mr. Shaw has had wide experience took considerable effort, he said, to Petroleum Refining Department Alumni Endowment Fund. This fund was created to provide a Div. Payable Jan., July, $1.00. in the field of metallurgy and, until get regular contributions of written Mines' petroieum refining depart­ source of income to guarantee the continuance of essential activ­ 10 shs Phelps Dodge Corporation, P. V., Capital stock— ment has received recognition from ities of the Alumni Association, and to provide a foundation that Div, Payable Feb., May, Aug,, Nov,, $1.00. his appointment with the foundation, material. He was also one of the would assure the expansion of these activities. The fund is 10 shs Standard Oil Company (N. J.), P. V., Capital stock— was general superintendent of the founders of the Mines chapter of Blue the Engineering Council for Profes­ built up from contributions, life memberships, initiation fees, Div. Payable June, Dec, $1.50 + $2.50 + 2% stock. Pine Creek operations of the United Kej', known in those days as tbe "Vigi­ sional Development as an accredited- interest on deposits and dividends from investments. Only the VALUE OF INVESTMENTS lantes." granted option. accumulated earnings can be drawn upon in the case of necessity Stocks at Market Quotations 1/16/50 $+,873,37 States Vanadium corporation at Bish­ to provide necessary funds to carry on the activities of the Alumni U, S. Government Bonds - 1,600,00 op, California. Mines' spirit and traditions have ECPD has for one of its basic ob­ Association. The total assets of the fund on January 1, 1950, were been little altered by 23 years, in Mr, jectives the "criteria for colleges of Cash in Bank, January 1, 1950 1,773.34 Mr. Mattson returned recently $8,2+6.71 using recent market quotations for securities. Detailed Mattson's opinion. He believes that engineering which will insure to their from a tour which toolc him to figures are shown in the following statement. $8,2+6,71 the drive and iniative of present graduates a sound educational founda­ Chicago, Milwaukee, Boston, New Mines' students compare favorably tion for the practice of engineering." York City, Washington, D, C.,'Pitts­ with that of the 1926 Miners. An accrediting agency for engineer­ burgh, Columbus, and St. Louis, He ing schools, ECPD had its inception visited industrial and university re­ in 1932 when seven engineering bodies search laboratories engaged in ore- Construction Plans (Continued from page 11) convened and formed the council (Continued from page 5) dressing research for the purpose of continue at Mines with provisions tory and field equipment and the which today is supported by four engi­ observing new methods, equipment, for the completion of the fourth floor necessity for limiting instructional WISHES MINES MAGAZINE WERE PRINTED OFTEN ER neering societies, civil, electrical, me­ and plans under which they operate. of Berthoud Hall, geology building. groups to smaller numbers than in From JOHN G. COWAN, '49, 706 Oble Sue, Worlaiid, fVyomlng. (Roustabout Engineer, chanical, and mining and metallurgi­ most other types of education. In Trigood Oil Co.) Work will begin soon on the 15 cal. its cost, mineral-engineering train­ 1 am starting the New Year by asking you to change my address from Midwest, V. L. Mattson offices and a large seminar - drafting Each year ECPD publishes ratings ing is probably most comparable Wyoming to that given above, where I am currently receiving my mail. recently spoke at a meeting of Blue room for additional space for gradu­ of schools it has inspected. Mines was to medical education, A realiza­ I enjoy Mines Magazine a great deal; wish it were printed more often. Key at which time he noted changes ate work. Graduate students in all first rated in 1937, A degree-granting tion of this fact by the state's legis­ on Mines campus since his graduation departments will have access to the school to be rated must first graduate lators is necessary before a solu­ REPORTS ON SEVERAL "MINERS" IN ALASKA from the school in 1926. new rooms. someone, ECPD committees then tion of ihe financial problems of From GARTH B. HAIILAN, '+9, District Engineers Office, APO 942, c/o Postmaster, Seattle, study new curricula, salaries, faculty, the Colorado School of Mines can The most striking change noted by W as king ton. Mr. Mattson was the presence of Ber­ President Parker and Professor finances, and inspect equipment and begin. Upon graduation from Mines I accepted a position as Geological Engineer with Corps of Engineers, Alaska District, I have spent the greatest part of the time, since my thoud Hall, When he graduated the Van Tuyl floorspacc. Not only has the official organi­ arrival in Alaska, in the field, from the Arctic Circle to the "chain," geology department was crowded in are co-authors of a 1,100-word The petroleum refining department zation of ihe state been remiss in Mines is well represented here. 'I'he Nutter brothers (John '+9, and Dwain), J. M. the basement of Guggenheim Hall, article on geological developments became a separate option in 1947 its support of the school, but in­ McAnerney, '35, and I are employed by District. I happened on Hugh Matheson, '49, throughout the world during 1949 when tbe school began granting P. R. while in Ophir the middle of November; expect to see him in Anchorage soon. and the geophysics department was dusirial concerns of Colorado have just being organized. He expressed which has been submitted to the 1950 E., degree of petroleum refining engi­ largely left ihe provision of such To further erase a misconception which seems prevalent in the "States," we don't live in igloos up here. surprise that tbe Chemistry building Britannica Book of the Year. neer. support as scholarships, fellovir- Please forward Mines Magazine and all correspondence to the address given above. ships, and endowments to out-of- been named by the National Electrical porated, has been re-elected member-at- state corporations. TECHniCflL SOCIETIES and NOW LOCATED IN HOUSTON, TEXAS Manufacturers Association to fill out the large for the next three years. Private industry of the state flssociflTions mcETinGS unexpired term of Clarence L. Collens, From SAMUEL C. SANDUSKY, '+8, Box 3128, c/o The Ohio Oil Co., Houston, Texas. who has just retired as chairman of the INTERSTATE OIL COMPACT COMMIS­ could do well to consider the ad­ AMERICAN STANDARDS ASSOCIATION Enclosed is check to cover my dues for 1950 and a small contribution to the Place­ Reliance Electric and Engineering Com­ SION HOLDS EXECUTIVE BOARD GETS NEW MEMBERS visability of providing support for ment fund. pany. Miss Ardenia Chapman, Dean of COMMITTEE MEETING Colorado's world-famous educa­ Please note the change of address and mail Mhies Magazine thereto. My transfer to The American Standards Association the College of Home Economics, Drexel Executive Committee of the Interstate tional institution which supplies the Houston Division ofiice from the Casper Division office was effective January 1, I wili announces election of three new merjibers Institute of Technology, Philadelphia, is Oil Compact Commission met in Okla­ much of the teained personnel re- be engaged in reservoir engineering and routine division engineering connected with pro­ of its Board of Directors effective Jah'uary completing the unexpired term of Mrs. homa City January 7 with Governor Roy duction and exploitation, 1, 1950, for a term of three years, Mau­ Carol Willis Moffett, well known for her J. Turner of Oklahoma presiding for the quu'ed for the mineral industry. rice Stanley, Chairman of the Board of work with the American Home Economics I wish to extend my best wishes for a prosperous New Year to all "Mines" men, and first time at an official session of the Com­ the Fafnir Bearing Company, represents Association, as member-at-large. It is impossible in the space at to especially say, "Hello," to all those close acquaintances with whom I have lost immedi­ mission since his election as 1950 chair­ the Anti-Friction Bearing Manufacturers my disposal to do more than point ate contact. Continuing on the Board for another man. Association, Inc.; B. S. Voorhees, vice- three-year terra are J. H. McElhinney, The following state representatives and to one of ihe major problems con­ president of the New York Central Sys­ vice-president of the Wheeling Steel Cor­ officials were also in attendance: Norman fronting ihe Colorado School of tem, represents the Association of Amer­ METAL TREATING & RESEARCH CO. poration, representing the American Iron V, Kinsey, Louisiana; Rex Belisle, Okla­ Mines, It is my sincere wish that ican Railroads; and Colonel J. G. Vin­ and Steel Institute, and Auguste G. Pratt, homa; Clarence T. Smith, Illinois; Reford James Colasanti cent, vice-president, Packard Motor Car in the years to come the state of Chairman of the Board of Babcock & Bond, Oklahoma; and Weldon Hart, Company, represents the Automobile Colorado may become aware of 651 Sherman St., Denver 3, Colorado Keystone 4973 Wilcox Company, representing the Amer­ Texas. Manufacturers Association. this problem and assist the Commercial Heat Treaters — Consyitlng Metaliurgieal Engineers ican Society of Mechanical Engineers. R. It was decided by the Committee that school's adminisiraiion in its solu­ High performance of tools and mechanical products through selection and treat­ In addition, E. E. Potter, vice-president Oakley Kennedy, formerly vice-president "Oii and Gas Conservation and the Public ing of metals. tion. of the General Electric Company, has of Ciuett, Peabody and Company, Incor- (Continued on page 44) THE MINES MAGAZINE ® FEBRUARY, 1950 37 36 THE MINES MAGAZINE • FEBRUARY. 1950 scoring show ever seen at Gunnison; 10-4, at Boulder. The team, in its These appointments are: Al-Pac En­ second year of existence since the war, gine & Equipment Co,, Seattle, Wash.; Long Tom wound up with 37 points Atlantic Engine Supply, Inc., Boston, for tbe evening. Doug Waterman, is sponsored by the Reed Auto Sales Mass.; Bolinders Co., Inc., New York, N. Lou Landers, and Jack Noll were also of Denver. Y.; H. G, McKinney, & Co., Wilmington, outstanding for the Orediggers, Calif,; Northwest Distributors, Ltd., Van Wrestlers Win couver, B, C, Canada, and J. N. Vernam Tbe Miners suffered a tough blow Company, Miami, Fla, when John Lockridge reinjured his Coming through with their first victory of the season, Mines grapplers knee in the first game. John will be Platinum Metals in 1949 out for the rest of the season. subdued Western State, 31-5, at Golden on January 13tli. "The revival of European markets for Mines Hockey Team Wins platinum metals was outstanding during A small but spirited group of The Orediggers showed superior 1949 as compared to other post - war By HERB WATERMAN hockey fans watched the Orediggers conditioning as they won ail but one years," Dr, Charles Engelhard, President of Baker & Company, Inc, world's lead­ Basketball beat the CU club twice, 13-5 and of the eight matches of the evening. ing dealer and refiner of platinum metals, stated in reviewing the platinum metals Colorado Mines basketeers found industry in 1949, no Santa Claus over tlie Cbristmas PLRflT n£IUS the Finishes Division of the Du Pont Company, was announced recently. He "The electricai industry continues to be vacation as they dropped four games (Continued from page 29) succeeds Henry E, Lackey, who is retiring an important consumer of platinum while winning one. after a career of nearly 43 years. New Discoveries in "Teflon" metals," Dr. Engelhard said. "Tiny con­ Mr. Dietz has heen assistant industrial tacts of platinum and palladium are used The team played pour ball in all Tetrafluoroethylene Resin except the Denver Chevrolet contest. sales manager since 1945. A native of in great numbers in telephone equipment, For a number of years widespread use York, Pa., and a graduate in chemical thermostatic controls and other household In that fracas the Miners worked to­ of "Teflon" tetrailuoroethylene resin has engineering of Lehigh University, he conveniences, and in a wide variety of gether and for the most part resembled been held up by dilhcuities encountered joined the Du Pont Company in 1924 as a industrial devices, in fabricating it. The very properties a country fair ball club. control chemist. "The use of rhodium, one of the six that endowed it with great potential in­ Fort Warren beat the Miners 50- platinum metals, for decorative purposes dustrial value — outstanding heat and Jos. G. Broz New Sales Manager for has made much progress during the year, 46, Bethany college humbled them chemicaS resistance—-made it difficult to Nordberg Four Cycle Diesel and the art of casting palladium into 56-43, Camp Carson won one 54-47, work into readily usable forms. rings, settings, watchcase attachments and Engine Dept. after losing a 49-38 decision, and the Some time ago, Du Pont chemists came other articles is being practiced success­ to realize that fabrication difliculties were The appointment of Jos. G. Broz as fully. Chevs trounced the Blasters, 77-50. lessened as the granules were made sales manager of the Four Cycle Diesel "Another noteworthy development in the smaller. More recently, it was discovered Sparking the Blasters were their •v MINES basketball team; Bacit row, left to right; Coach Johnny Karamigios, Bob Einarsen, Engine Dept. is announced by Nordberg past year has been the use of platinum that the material .could be made as a sus- three big scorers, Clyde Kerns, Tom Jack Noil, Joe Oberst, Carl Bieniewski, Bill Ryehle, Paul Musgrove. Front row, left to rtght: Manufacturing Co., Milwaukee 7, Wis. and palladium catalysts in new produc­ pensoid. In this form the "Teflon" parti­ Jim Taylor, Doug Waterman, Clyde Kerns, Jim Ault, Herb Waterman, John Lockridge, Tom tion processes, as in 'platforming,' a new Johnson, and Doug Waterman. These cles are so fine that they remain suspended Johnson, [Lou Landers and Jack Earl not picfyrod). refining method for producing high octane men contributed a big share of the in the carrying liquid, with little or no gasoline using platinum as a catalyst. fire and tie up tbe ball game at half up the hall game. Lou Landers missed settling, for considerable periods of time. time, 41 to 41, In the second half the a set shot with 14 seconds to go. Doug "Canada continues to be the leading Using the suspensoid as raw material, Gunnison boys finally broke up the Waterman and Becker came down off source of the platinum metals, which are chemists in the company's Fabrics and supplied also by South Africa, Colombia ball game with two minutes left to Finishes and Poiychemicals departments and Alaska. The production facilities in play being three points ahead. The discovered spray finishes that make it South Africa were expanded during 1949." Staters stalled out the remainder of possible to give chemical tanks a tough "Teflon" lining; enamels for insulating the game. The Miners were led by fine electric wire; compounds for extrud­ Hewitt-Robins Reports Earnings Kerns, Waterman, Lou Landers, and ing heavier insulation onto wire; unsup­ Hewitt-Robins Inc., reported sales for Jack Earl. ported "Teflon" film and taoes superior the quarter ending September 30, 1949, of The second game was all Mines to those previously available; and $4,677,258, with net earnings after all "TeflDn"-coated glass fabrics and tapes, charges of $90,116, or 32 cents per share in spite of the score. The Miners led on the 278,714 shares of capital stock out­ by as much as 11 points at one time, Du Pont Announces $ 100,000 standing. Net earnings for third quarter only to have the Mountain boys erase 1948 were $155,469, or 56 cents per share. Grant to Universities the lead to one point at halftime. In For nine months ending September 30, the Second half, led by the point The Du Pont Company announced re­ 1949, sales were $14,648,272, with net cently that it has authorized, for the earnings of $336,119, or $1,21 per share making of Tom Johnson and the all- second year, $100,000 for grants-in-aid In on capital stock outstanding. For the same around play of Lou Landers, the Ore- universities to "stock - pile" knowledge period in 1948, sales were $13,859,782 and v Action in . heavyweight through the advancement of fundamental net earnings $390,186. diggers built up a lead of five points itch. at the two-minute mark. A basket and science. a free throw by Becker cut the lead the backboard with a jump ball only The grants are for the 1950-51 acade­ Clemmer Named Mines Bureau to have the referee reverse his decision mic year. They provide $10,000 for each JOS. S. BROZ Regional Director in Southeast to three points. Landers made a free of 10 universities, all of which received throw with a minute to go. Al Tollis and call a foul on Waterman. The similar awards from the company for the J. Brnce Clemmer, mineral technologist Mr. Broz was vice-president in charge free throw won the ball game. present school year. The company also and administrator with the Bureau of and Lou Mikkleson collaborated for of sales of Busch-Sulzer Diesel Engine provided $20,000 to the University of Mines for over 20 years, has been ap­ a basket and two free throws to tie Tom Johnson put on the greatest Company of St, Louis, Mo, at the time that •V Tom Johnson, MiNES center, ready fo Chicago for a calendar year 1950 mem­ pointed Regional Director of Region VH company was purchased by Nordberg in drop one in. bership in its Institute for the Study of of the Bureau, the Southeast, with head­ December, 1946, Until his present appoint­ Metals. quarters at Tuscaloosa, Ala,, it was an­ CSM scoring during the vacation, just ment Broz was surveying South American nounced by James Boyd, Bureau Director, as they have done through tbe season. Institutions which will receive $10,000 market potentialities and establishing fieid The appointment becomes effective Nov. January Hand 15 the CSM hasket- grants each are: California Institute of sales and service organizations there for IS, Region VII includes the State of Ten­ Technology, Cornell University, Harvard Nordberg. nessee, North and South Carolina, ballers suffered a double setback at University, Massachusetts Institute of Mr, H, M. Cahill will assist Broz in Georgia, Alabama, Mississippi, and Technology, The Ohio State University, Florida. the hands of the Western State directing the sales activities of Nordberg's Mountaineers, 77-72 on Friday night Princeton University, Yaie University, University of Illinois, University of Min­ Four Cycle Diesel Engine Dept. Chief of the Tucson, Ariz., Branch of and a heart-breaking 75-74 defeat the nesota, and University of Wisconsin. the former Metallurgical Division since following night. 1945, Clemmer becomes the ninth and last Nordberg Appoints New regional director to be named under a re­ Friday night's game was a see-saw Joseph B. Dietz Succeeds Distributors for Diesel Engines organization of the Bureau of Mines affair with the score tied no less than Henry E. Lacky as Industrial Six new distributor appointments for which began on Sept, 1, this year. five times. The Mountaineers grabbed Saies Manager of Du Font's the new Nordberg 4FS-1 Diesel Engine As regional director, Clemmer will re­ are announced by Harry M, Cahill, Sales port directly to the Director of the Bureau a big lead early in the second quarter FInislies Division only to see the Miners, led by Clyde Manager, Small Engine Department, in Washington, D, C. He will be in charge Appointment of Joseph B, Dietz as Nordberg Manufacturing Co., Milwaukee, of all Bureau activities in his region, in­ Kerns and Doug Waterman, catch Lloyd Best of MINES 'n 'he process of pinning a Western Sttites grappler. manager of the industrial sales section of Wis, cluding the stations at Tuscaloosa, Ala., 38 THE MiNES MAGAZINE e FEBRUARY, 1950 THE MINES MAGAZINE ® FEBRUARY, 1950 39 Norris, Tenn., and Raleigh, N. C, and New Executives Appointed in cfiTRioGS mh mn puBucRTions the district and snbdistrict offices at Birm­ Hercules Powder Experiment (Continued from page 30) ingham, Ala., and Jellico, Tenn. Mr. Station in Wilmington, Dei. These books may be obtained Clemmer wiil be serving his second tour (5369) "MECHANICAL TOPICS," Vol. 12, fio. through the Book Dep Hercules Powder Company has created J , l!V International Kickel Company, Inc., 67 of duty at Tuscaloosa, having been a me­ Wall Street, Sew York 5. W. V.. contains 12 tallurgist at this station during World two new top posts at its Experiment Sta­ liages deBoribinir and illustratinir use of nickel The Mines Magazine. War II. tion in Wilmington, Delaware, and nitko] alloys in castintrs, satety valves, pump shafts, cable shieldiiip:, "welding rods, exhaust This volume is as clearly written and importance, in preparation for the more Graduated from the South Dakota State Dr, Peter VanWyck, formerly technical Radiant Heating, Radiant Cooling and pipes and fittinds. Included is a list of Inco to the point as its title would indicate. En­ specialized conferences to follow. School of Mines at Rapid City, S. Dak,, in assistant in the Research Department, be­ nickel alloys and a list of distributors. Snow Melting (537D> EYE SAFETY, "How to Set Up and gineers, contractors and others concerned Included in tliis issue of the Quarterly 1927, Mr, Clemmer first joined the Bureau comes assistant director of the Experiment 2nd Edition, By T, Napier Adlam, Vice- Conduct a Safety RX Propa'am," a 14 page book­ with the design and instaiiation of satis­ are the following papers: "Mineral Re­ at its Rolla, Mo., station in 1928, after Station responsible for the work done by let hy American Optical Company, SouthbridKe, President Sarco Mfg. Corp,, and Consult­ factory piping systems for steam, hot or sources Appraisal by the United States completing work for his Master of Science the Ceiiulose Products, Explosives, and Maggaclmsetts, siving information on how to set ing Engineer on Radiant Heating, The up a company eye safety proerratn through the cold water, brine, refrigerants, gases, san­ Geological Survey" by S, G, Lasky, '22, degree at the Missouri School of Mines Virginia Cellulose research divisions. Industrial Press, New York, 13, N. Y., use of eoKfvlcB. includes suggestions on how to itary waste, distillates, chemical solutions, chief of the Mineral Resources Section of at Rolla, obtain necessar.v protessional services to aid in 1949. 504 pages, 337 illustrations. $6.00. Dr, Richard S, George, formerly man­ program and step-by-step instructions in tlie rise slurries, acids and other fluids, will find the United States Geological Purvey, ager of the Naval Stores Research Divi­ of a new Safety RS Order Book supplied by the This volume represents the knowledge this book very useful. Written by a me­ Washington, D. C.; "Oil and Human John W. Rutland Appointed General sion, wiil be assistant director of the Ex­ company. and experience of an engineer with a chanical engineer of many years' experi­ Welfare" by Max W, Ball, '06, oil and background of over thirty years in all Sales Manager of International periment Station responsible for the work (5371) "TIE-iN," Third Quarter 1949, by II. ence, it describes the advantages and dis­ Gas Consultant, Washington, D. C,; and done by the Naval Stores, Paper Makers (J. Price Company, Bartlesville. Oklahoma, an phases of radiant heating. The author advantages of joints used for connecting "Gold, Our Most Strategic Mineral" by Minerals Plant Food Division 18 page employee magazine devoted to illustrated lias been closely associated with many of Chemical, and Synthetics research divi­ articles on eompan^y projects, employee personals both metallic and non-metallic pipe lines, Donald H. McLaughlin, president of the The appointment of John W, Rutland sions. Dr. Reginald W. Ivett succeeds Dr. and sufety items. This issue carries an interesting the recent developments in the field and Also included are data on joints designed Homestake Mining Company, San Fran­ as general sales manager of the plant article on laying of "Toughest hich" pipeline did pioneer work in the application of George as manager of the Naval Stores Irom Cotib Station, West Virginia to Roekville, to take up movement due to expansion and cisco. food division of International Minerals & Research Division. warm-air methods of floor heating. Sid, contraction of pipe. This issue of the Quarterly and the Chemical Corporation was announced re­ In addition to the material on radiant The appointments were announced by (5372) "NORDBERG PROGRESS," Third Quar­ others to be published which will com­ cently by President Louis Ware. ter 194S), by Nordbore: Mfg. Compaiw. Mi!waui%ee heating, to which the major portion of the All types of standard and special joints Dr. Emil Ott, Hercules director of re­ 7, Wisconsin, a 12 jJago illustrated magaaiue de­ prise the 75th Anniversary volume, will book is devoted, the author gives rather for pipe are considerad including joints Mr, Rutland joined the company in search, and Dr. Raymond F, Schultz, voted to news of interest to employees and ar­ be of great interest not only to Mines ticles on application of I^ordberg-made equip­ extensive consideration to the allied fields for steel, cast iron, copper, brass, Duriron, 1921. He had been general sales manager director of the Experiment Station, Alumni (particularly those who were un­ of the potash division since 1948, and ment. Lead article in this issue concerns the in­ of radiant cooling and snow melting, lead, chemical tile, vitreous tile, stone­ The company also announced the trans­ stallation of Diesel engines in the power plant ware, Transite, wood, glass, synthetic able to be present at the conferences) but previously had served as southern potash at Peabody, Mass. which have attracted much attention in fer of two men from the home office to the resin, plastic and concrete pipe. to anyone concerned with the progress and sales manager, (5373) "THE BUSINESS OF FARMING," Holi­ construction circles and in both of which Experiment Station research staff. They technologies of the mineral industry, Mr. Rutland wiil have general super­ day issue 1949, by United States Gypsum, 30!) the author has had wide practical expe­ The many illustrations accompanying are: Edmund Winterbottom, who is ap­ ^V. Adams Street, Chicago 6, Illinois, a 16 page the text are clear and accurate, aiding in vision of plant food sales under Maurice magazine carrying illustrated articles and items rience. pointed administrative assistant to Dr. General Electric Review H. Lockwood, vice president in charge of designed to be of particular interest to farm The subjects are presented clearly, with a presentation of the material which is Schultz; and Dr. John T. liays, appointed dwellers, including interior decorating ideas, December, 1949, Published monthly by the plant food division. Mr. Rutland will the accent on the practical rather than the designed for practical use and for easy special assistant in the Scouting Research recipes, market predictions and homcmakins the General Electric Compan)', 1 River exercise administrative direction of the hints. theoretical aspects, Of course the theoret­ reference, Division. Dr. Hays also will continue his Road, Schenectady 5, N. Y. 64 pages. division in Mr, Lockwood's absence. (5374) ELECTRICITY, "Allis-Ohaimers Electri­ ical bases for these heating and cooling university contacts with prospective tech­ Year's subscription $4.00, cal Review," 'J'hird Quarter 304!), by Aliis-Ohal- techniques are discussed, but, in the main, puarteriy of The Colorado School of Mines nical employes. niers Mfg. Company, Milwaultee 1, Wisconsin, Lead article in this issue of the well- a 40 page lUMgazine larsely devoted to illustrated this volume was written for engineers and —"Economics of the Mineral Industry" Internationa! Minerals Announces articles on tbe technical aspects of the industrial contractors who have jobs to do and for Number lA of the Seventy-fifth Anni­ known and highly respected GE Review Appointments of Directors use of electricity and electrical eQuipnient. Con­ architects who have structures to design. versary Volume, (Vol. 45), Edited by is a forthright expression, by Charles E. tains articles on hiffh speed reelosiuir, dielectric Wilson, President of General Electric, of All directors of International Minerals Newton R. Crum to Represent .•^treugtli of air, care of AO rotating cijuipment Harry M. Grain, Director of Publications. The author presents facts and figures "What Industry Expects of the Engineer." and Chemical Corporation were re-elected Flexible Steel Lacing Co. and system protection. Colorado School of Mines, Golden, Colo­ and, with the aid of many easy-to-under- Other articles included are "Co-ordination at the annual meeting of stockholders (5375) POWER SHOVELS, BuUetin 4S40 by rado, January, 1950. 48 pages, five figures. In California Tlie Osgood Company, Marion, Ohio, dcpcribes stand illustrations, describes methods and of Protective Devices for Control-power of the corporation held in New York re­ $.50. Newton R. Crum, a native of Los An­ and illustrates iypcs, 5 and 2 0 jiowcr shovels construction details, all of which are ren­ Circuits"; "New Laboratory Facilities to cently according to Louis Ware, President, showing them in various operations and giving Beyond doubt one of the more important geles and now a resident of Alhambra, is construction features and specifications. dered more valuable from the fact that Improve Engineering Effort"; "Tuning of A subsequent announcement by Mr. scientific conclaves in recent years was the (5376) "NICKEL TOPICS," November. Beeem- they are backed up by many years of ac­ Ground-fault Neutralizers"; "Magnetic Ware revealed the election of James P. series of conferences incident to the cele­ ber 1949, bv international Nickel Company, Inc., tual working experience, Fluid Clutch"; and Part XII in the ex­ Margeson, Jr., executive vice president GT "Wall Street, New Tork 5, N. Y., contains 12 bration of the 75th Anniversary of the cellent series of articles on "Protective of the company, to the Board, Mr. Mar­ pafjes of illustrated articles describing various Ra{iiant heating, radiant cooling, and founding of the Colorado School of Mines, applications of nickel and nickel alloys. Lead Atmospheres in Industry," geson will fill the unexpired term of article describes new ductile east iron developed snow melting, as considered in this trea­ held Sept. 29 and 30 and Oct. 1, 1949. Francis M. Weld who was killed in an by the coiuTJany. tise, are comparatively recent additions to These conferences, (which received full This line-up of fine articles on widely airplane accident recently, (5377) OIL WELL DRILLING, "Tomorrow's the techniques of building, and, as is the coverage in the Oct. '49 issue of Mines varied subjects make the December issue Tools—Today " Fourth Quarter, 194!), by Lane- Mr. Margeson has been associated with Wells Company. TifilO So. Soto Street.. Los An­ case with all new developments in any Magazine) were composed largely of of the GE Review a particularly fine one. International Minerals since 1940 and has geles 11, California. 40 pages containing articles field, they have evoked a considerable papers nrepared and read by some of the Readers will be especially. interested in on shaped charges iu well perforating, perforating amount of controversy both as to their ablest men in the mineral industry and been executive vice president of the com­ the deepest well. Paciiic Creek Ko. 1 in Wyo­ the "Magnetic Fluid Clutch" article which pany since June 26, 1947. ming, radioacti\ity well loffging: in Canada and value and applications. This authoritative coveritig every phase of that industry. outlines developments in a new clutching others. Of particular interest is tile "Packer and straightforward book will dispel a lot Volume 45 of the CSM Quarterly is to device which utilizes the force set up by Handbook," an extensive section on the use, of misinformation and will prove lo be of tsTJcs, parts, selecting and operation of oil well be devoted to the publication, in their en­ a magnetic field to accomplish clutching International Minerals great practical value to anyone faced with packers. tirety, of the papers, speeches, and dis­ or braking action. the heating and cooling problems which Declares Dividends cussions presented in the conferences, and it considers. At a meeting recently, the board of di­ this first issue. Number lA, reproduces The Minnesota Geologist rectors of International Minerals and those given at the first conference on Sept. Official Bulletin of the Geological Soci­ Chemical Corporation declared regular (Continued from page 23) Methods of Joining Pipe 30th, ety of Minnesota, Minneapolis, December quarterly dividends of 50 cents per share A 7-pound son was born to Mr. and By J. E. York, Building Service Engi­ The theme of this first conference was 1949, 12 pages, free with membership in on the common stock of the corporation Mrs. Robert A. Lang, Jr. on July 31 whom neer. The Industrial Press, New York 13, "Economics of the Mineral Industry" and the Society. and $1.00 per share on the 4% preferred they have named Doy for his god-father- N. Y., 1949. 236 pages, 249 illustrations. it was designed to present a broad, gen­ This monthly bulletin carries announce- stock, both dividends payable December to-be, Doy Neighbors of Golden. Victor, $3.00. eral picture of the industry's position and (Continued on page 44) 30, 1949, to stockholders of record De­ their other son, is 4 years old. cember 9, 1949. Mr. Lang, '41, is engineer for Mehring Hanson Company of Washington, D. C. 2nd Edition Just Published! The family home is 5732 Fourth Street, John S. Shaw Retires from Hercules With New Material Covering Latest Developments South Arlington, Virginia. John S, Shaw, Director of Safety of METHODS OF JOINENO PIPE Hercules Powder Company, retired Janu­ RADIANT HEATING ary 1, the company announced recently, mmm coiiirms by J. E, YORK by T. NAPIER ADLAM Mr. Shaw, who is nationally known as NEWTON R, CRUM (Continued from page 31) Written hy a mechaiiicil engineer of many years' experience, a pioneer in the field of industrial safety A compreiien'sive and thoroughly practical treatise giving the this book rovers ali types of standard and special joints for joined Hercules in 1913 and received his Legislation Committee essential facts aliout radiant or panel heating -- the b,'isic the new representative for Flexible Steel cast iron, copper, brass, Duriron, lead, chemical tile, vitreous present title in 1941, John H. Winchell, '17, Chairman principles, working data for (he designer, specific instructions tile, stoneware, Transite, wood, glass, synthetic resin, plastic Lacing Co, of Chicago, 111. in California. on installation. Facts and hgiires can be applied directly in Malcolm E. Collier, '22, Vice-Chairman and coii'crete pipe. Included are data on joints designed to During World War II, Mr, Shaw was "Newt" is well known in Caiifornia designing and installing radiant heating syslems of ali types. take up movement due to expansion and contraction of pipe. Ben H. Parker, '24 Snow melting and radiant cooling are special additional fea­ In no other book will you Iind so much detailed information a member of the Safety and Security Divi­ having had some fifteen years in selling Ted Stookmar, '43 tures. A dependable m3nu,i! lor engineer, conlracLor, or regarding pipe Joints for standard and special applications, sion of the U. S, Ordnance Department mill and mine supplies to the industrial architect who needs reliable information on this important Fred Jones, '00 and at the end of the war received a trade. For the past four years he was subject. certificate of appreciation attesting to his 236 Pages - 249 Illustrations - $3.00 postpaid in U. S, owner of the Western Industrial Supply Instruction Committee 504 Pages - 337 IUustrations - $6,00 postpaid in U. S. outstanding service. He is a member of Co. in Sacramento and for the two years Harry L. McNeill, '24, Chairman many safety organizations and is known Order your copies today from before that he managed the northern di­ Clifton W. Livingston, '33, Order your copies today from for his work in the standardization of vision of The Republic Supply Co, in Vice-Chairman MINES MAGAZINE MINES MAGAZINE chemical operating procedures and the use Oakland. For ten years before that he J. Harlan Johnson, '23 of safety equipment to prevent industrial represented the same company in their C, Lorimer Colburn, '07 734 COOPER BLDG. DENVER, COLORADO 734 COOPER BLDG, DENVER, COLORADO accidents. southern California Oilfield Division, 0. W. Longan, '34

40 THE MINES MAGAZINE ® FEBRUARY. 1950 THE MINES MAGAZINE 9 FEBRUARY, 1950 41 to produce a graduate who has been The meeting was called to order aircraft at sea was shown by the and will he a leader in the fields of by President Brown, Committee re­ secretary. mining, metallurgy and petroleum. ports were read and approved. The As the local section has no treasury, The resolution offered by Don was Nomination Committee presented the the vice president, M. G . Geiger, passed unanimously. following names as candidates for of­ made a motion that a 25-cent charge "Buck" Kaufmann entertained us ficers for the current year: be added to each meal so that a small for about an hour with a group of President John Biegel, '39 working fund could be built up. The ARIZONA Kodachrome slides of pictures taken Vice President -- - - Art Heiser, 43 motion was seconded and passed. Two meetings in year, second Saturday in on a geological trip into the Tibet Secretary -- - F. S. Crane, '43 The next meeting will be held on April and October. H. Z, Stuart, '36, Bisbee, Treasurer - Charlie Cerf, '41 Vice-P res.; C. A. Davis, '27, Phoenix, Vice- area of China. Everybody enjoyed 16 February, 1950, at which time Pras.; W. W. Simon, '15, Superior, Vice-Pres.; "Buck's" talk, along with the beauti­ No additional names were placed Warren Adams will be program chair­ B. G, Messer, '36, Secretary-Treasurer, Rt. I, ful pictures, especially the three in nomination. A unanimous ballot man. Box 40, Globe, Arii. "strangers" who got into the series. was cast in favor of the above candi­ Those present for the 15 December BAGUIO The next meeting will be held on dates. meeting were: Frani: E Delahunty, '25, President; Luther January 19th, 1950, with the Febru­ The business meeting was ad­ S. G, Lasky, '22; H. D. Hoskins, '37; W, Lennox, '05, Secretary-Treasurer, Ben- ary meeting to be the cocktail party journed and the speaker of the evening E, J. Ristedt, '09; T. C. Snedeker. '36; guef Consolidated Mining Co., Baguio, P. I. at the A,LM.E. Convention. was introduced. Mr, Robert Simpson L, Otis, '14; W. Adams, '25; H, P, Meetings upon call of secretary. Coloney, '24; F. B. Hyder, '03; P. Web­ of the Pacific Telephone and Tele­ ster, Ex-'94; J. A, Poulin, '21; H, A. BARTLESVILLE NORTH CENTRAL TEXAS graph Company presented an un­ Stewart, '12; James Boyd, '34; F, John­ Burt R. Kramer, '42, President; John W. E. J. Brook, '23, President; J. W. Peters, '38, usually interesting program and son, '22; M. Geiger, '36; H. J, Joy, Jr., Tynan, '41, Vice President; Richard M. Brad­ Vice President; H. D. Thornton, '40, Secty.- '25; D. D. Kerstetter, '39, Treas. {Ft. Worth) 506- Nell P. Anderson demonstration on microwave transmis­ ley, '36, Secretary, Cities Service OII Co., sion and its applications to the com­ Bartlesville. Luncheon meetings every Friday Bidg,, Fort Worth, Texas, Telephone: 3-3058; noon In the Burlingame Hotei Coffee Shop. Henry Rogati, '26, Secty-Treas, (Dallas) 407 munications industry. V Group of Miners," Midfand, Texas. Southland Life Bldg., Dallas, Texas, Tele­ flLumni PRESiDcnT's The meeting was attended by the BAY CITIES phone: Riverside 4846. Four meetings during niESSflGE HOUSTON Statler Hotel, preceding fhe Smoker, year, second Monday of month, February, following members; C. K. Viland, '29, President; E. C. Kinyon, Albert L. Ladner, '27, President; McKay &. A.I.M,E, Convention. May, September and November. (Continued from page 33) •15. Vice President; D. J. Lyons, '30, Secre­ H. A. Everest, '08; Sidney French, '08; Donkin, '29, Vice President; W. Bruce Bar­ H. C. Jennings, Guest; H, C. Armington, improvement of methods employed tary; Wm. L. Burnham, '41, Treasurer. Visit­ bour, '37, Secretary, c/o The Second Na­ A meeting of the New York OKLAHOMA ing Miners contact Secretary, c/o Tide '07; H, J. Wallace, '04; Jordan Nathason, tional Bank of Houston, Oil & Gas Div., Section, Colorado School of Mines Neil V/hltmore, '29, President; George W. and the compiling of such records that V/ater Associated Oi[ Co., Research Div., '36; John Biegel, '39; L. D. Wosk, '24; Houston. Monthly luncheon meetings held Reed, '35, Vice-President; Carl R. Holmgren, have proven to be of great value. Associated, Calif. Alumni Association, was held at the John Christopher, '25; Jack Ballagh, '10; on the first Tuesday at Noon, Tenth Floor of Mining Club on the evening of De­ '38, Sec'y-Treas., 2612 East 13th St., Tulsa, R, F. White, '18; R. F. Rehtmeyer, '42; Much of the success of this important the Houston Club, Visitors please contact BIRMINGHAM cember Sth, 1949, Oklahoma. Luncheon meetings each and C. J. Cerf, '41; F. S. Crane, '43; Frank A. work can be credited to the efforts of the secretary af The Second National Bank every Tuesday noon In the Hotel Tuisa Brown, '21; John R. Slover; Stan Jackson, members of this Committee. They Robert J. Blair, '39, President; Stanley M,. of Houston, Coffee Shop. Always glad to have fellow '36; Bill Beggs, '37; Henry E. King, '03; Walker, Ex-'ll. Vice President; Hubert E. The crowd started gathering early Miners when In Tulsa, C, A. Spicer, Ex-'05; Ward Blackburn, will be given every encouragement. Risser, '37, Secretary-Treasurer, Bradford The regular monthly luncheon and by 6:40 P.M., dinner time, the '08; Frank A. Foley, '49; H, M. Deutsch, Mine, Dixiana, Alabama. Meetings held There are eleven standing Commit­ meeting of the Houston Section of the following sat down: OKLAHOMA CITY '29; Robert Bernstein, '42; Ralph G. God­ tees. It is only by the combined ef­ upon call of secretary. Visiting "Miners" frey, '38; J, E. Warnecke; Gower Waters C,S,M. Alumni Association was held J. S. "Monty" Montgomery, '31, President; please contact secretary. Harry J. Wolf, '03; Donald Dyren­ Ex-'09; W. R. Kilgore Ex-'08; J. P. fort of these Committees that the As­ H. M. "Hugh" Rackets, '42, Vice President; at the Houston Club on Tuesday, forth, '12; Alan Kissock, '12; Fred D. Pinger; Sidney S, Small, '17; Russel H, sociation can expect to produce the M. O. "Shorty" Hegglund, '4!, Secretary- CENTRAL OHIO January 3, The following "Miners" Kay, '21; G. F. Kaufmann, '21; Jack P. Harris; Norman Whitmore, '26; E. J. Treasurer, c/o Stanolind Oil and Gas Co., greatest benefits for all "Mines" men. Roland B. Fischer, '42, President; Frank M. Bonardi, '21; Rupert B. Lowe, '22; A. K. Mayhew, '41; and E. F. Bladholm, '29. were present: First National Building, Oklahoma City, These Committees will be encouraged Stephens, Jr., '42, Secretary-Treasurer, Bat­ Seeman, '22; Frank McKinless, '23; Wil­ Okla. Meetings, first and third Thursdays of teile Memorial institute, Columbus, Ohio. liam Berry, '24; M, L. McCormack, '26; to plan for greater accomplishment. Irwin M. Giasser, '43; James L. Bal­ each month at the Oklahoma Club, Lunch­ Arthur O'Toole, '26; Harold C. Harris, ST. LOUIS lard, '25; Vernon Redding, '40; Ernest eon 12:00 Noon. All Mines Men are cordially Local Sections are recognized as an CLEVELAND '32; Ben W. Geddes, '37; Al Tarbox, '37; James E. O'Keefe, '37, President; Floyd M, W. Dissler, '40; Raymond A. Kerr, '36; invited to drop in. Jack B. Ferguson, '30; Donald I, Gahagan, Eugene E. Dawson, '38; Dick Buell, '41; Belieau, '23, Secretary-Treasurer, 955 Tuxedo important part of the Alumni organi­ Joseph R. Gilbert. '42, Secretary, 14513 '27; M, L. Gilbreath, '33; K, Pat Hurley, David B. Mazer, '47. Blvd., Webster Groves, Mo. zation. Every effort will be made to Northfield Ave., East Cieveiand 12, Ohio. '22; Albert L. Ladner, '27; Julian K. PACIFIC NORTHWEST bring about closer cooperation where­ Meetings last Friday of each month at the Pawley, '40; Albert G. Wolf, '07; Robert UTAH Carter Hotel, Cleveland. On the previous Friday, December A. R. Kesling, '40, President, 2915 Holgate, by greater mutual benefit will result. W. Harrison, '33; Howard K. Schmuck, 2nd, 1949, some fifteen of the New Seattle; Phone: PR-7392. W. I, Sedgeiy, '40, H, J, Vander Veer, '30, President; Wallace Your inquiries or suggestions will be '40; Lisle R. Van Burgh, '17; Charles E. COLORADO York group got together for a lunch­ Secy-Treas., 6040-36th Ave., S. W. Seattle W. Agey, '39, Secretary-Treasurer, 852 So. welcome. Redmon, Jr., '39; Phil H. Garrison, '39; 6; Phone: AV-8641. Meetings upon call of 19th East St., Salt Lake City 5, Utah. E. S, Hanley, '34, President; Herbert W. FL E. Treichler, Jr., '40; W. B. Barbour, eon to "Lec" Thomas, President of Secretary. JAMES COLASANTI Heckt, '36, Vice President; David Roberts, '37; R. J. Arnold, '49. the Board of Trustees, for the purpose WASHINGTON, D. C. '40, Treasurer; William J. Holtman, '43, of discussing with "Lec" the scholastic PENNSYLVANIA-OHIO S, Power Warren, '13, President; Marcus G. Secretary, 930 Downing St., Denver. Colo. KANSAS Meetings upon call of Secretary. rating of Mines, and the rating of the SECTION Geiger, '37, Vice-President; Dale Kerstetter, mi HEUIS All activities suspended. '39, Secretary, Address, Bontfanf Road, RFD graduates of Mines in the mining (Continued from page 24) EASTERN PENNSYLVANIA William H. Sparr, '39, President; George G, No, i. Silver Springs, Md. Phone: SH 7100. MANILA world. There had been expressed to Yeager, '40, Secretary, 3229 Circle Drive, Exten. 209, The chain reaction in the nuclear fuel Names of Officers and notice of Meetings John R. Wagner, Jr„ '40, President; Ernesto the secretary some little doubt as to Pittsburgh 27, Pa. Meetings upon call of of­ Scheduled evening meetings called for the will generate heat, which will be carried to be announced later, C. Bengzon, '21, Vice-President; M, M. the standing that we are attaining. ficers. third Thursday of every other month at fhe by liquid metal to a heat exchanger, A meeting of tlie Eastern Pennsj'l- where water will be converted to steam. Aycardo, Jr., '41, Secretary-Treasurer, 3rd The secretary gathered this meeting Continental hlotel, Washington, D. C. Spe­ vania Section is planned for early in Floor Soriano Bldg,, Manila, P. i. Luncheon SOUTHERN CALIFORNIA cial meetings arranged when warranted. Next The steam, in turn, wiil operate turbine- Marcli. Anyone interested in joining meetings second Saturday all even months together in a hurry when he found scheduled meetings: December 15, 1949; generators producing electricity. It is of the year. that "Lec" was to be in New York. John Biegel, '39, President; A. J, Heiser, '43, February, 1950, planned that the West Milton installa­ tile new section who has not been con­ Vice President; C, J. Cerf, '41, Treasurer; tion will be used to investigate "breeding" The regular bi-monthly meeting of tacted can get full information from MONTANA Don Dyrenforth reported on this Franklin S. Crane, '43, Secretary, c/o Ollwell of nuclear fuel. A "breeder" reactor will Supply Co., 934 North Alameda St., Los Samuel M, Hochberger, 1232 So. A, B. Martin, "23, President; M, R. Hoyt, the Washington, D, C. Section, not only generate heat, but may also be meeting and concluded by offering the Angeles. Telephone: MUtual 7311, Ninth Street, Allentown, Pennsyl­ Ex-'08, Vice-President; C. B. Hull, '09, Sec­ Mines Alumni Association, was held able to produce as much or even more following resolution: Scheduled meetings second Monday of each retary, 854 W. Silver, Butte, Montana. Meet­ nuclear fuei than it uses in the chain vania, Ouarter at Los Angeles Athletic Club, 431 15 December 1949, with 15 members ings upon call of Secrefary. reaction. RESOLVED, that the New York West Seventh Street, Los Angeles, 6:30 P.M, present. GREAT LAKES Section of the Colorado School of Next meeting dates, April 10, JulylO, Octo­ We were glad to welcome into our NEV^ YORK ber 9, 1950, and Jan. 8, 1951, Phone Secre­ Francis W, Mann, '43, President; R. D, Fer­ Russell J. Parker, '19, Rupert B. Lowe, '22, Mines Alumni Association express tary for reservation. section another "Mines" man, H. A. WANTED nald, '37, Vice President; Stanley Ohiswager, Co-Chairmen; Fred D. Kay, '21, Secretary- tlieir confidence in the Board of Trus­ Stewart, '12, who is the new Director LARGE BALL OR PEBBLE MILL. Secretary. Meetings: Third Friday, January, Treasurer. Room 2202, 120 Broadway, New tees, the President, Dr, Ben H. Par­ A meeting of Southern California of the Oil and Gas Division, U. S. GOOD CONDITION. April, October. Visiting Miners contact York 5, N, Y, Telephone: Worth 2-6720. ker, and the Administration of the Section was held January 9, 1950 at Department of the Interior. National Titanium Company President, c/o Standard Oil Co. (ind.) Monthly meetings. Next two: January 19, Pipeline Dept., 910 So, Michigan Ave., Chi­ 1950; February 13, 1950, Cocktail party In Colorado School of Mines, in their 6:30 P.M. at the Los Angeles Ath­ A short film showing the Navy Vernon, California cago I. honor of visiting "Miners" to be held at having produced and their continuing letic Club, "Sofar" method of locating ditched 42 THE MINES MAGAZINE © FEBRUARY, 1950 THE MINES MASAZINE ® FEBRUARY, 1950 43 Harold H. Miller 1949. He had attended a party on He began his mining experience of the class of '21, passed away sud­ Christmas day where he was the life while still a student, spending his sum­ denly on November 19, 1946, news of the gathering hut became ill that mer vacations at mines in Colorado. of which only recently reached the evening when he was taken to the Upon his graduation he went to Alumni office. hospital. Pioche, Nevada, and later to Pine A native of Youngstown, Ohio, General Hinman graduated from Grove, Nevada, where he was em­ Mines ployed in a cyanide mill. Mr. Miller entered the fall of Mines in 1915 and began his career Pickett & Eckel all-metal Slide 1916, after graduation from high in the U, S. Army when he volun­ Various mining activities occupied Rules school. He was away from school for teered his services in World War 1. his time until 1900 when he and a Dieterich-Post tracing papers one year to serve with the U. S. At the close of the war he continued partner opened up the Old Town in pads or rolls Marines in World War I and re­ in the army. mine in Russell Gulch, Colorado. He Rand-McNally Maps, U. S. turned, completing his work for de­ When in England during World afterwards became general manager Govt, quad maps for Colo, gree of Engineer of Mines in 1921. War Ii he was at high altitude in an and part owner of the property which & Wyo, He entered the employ of the aeroplane when the oxygen supply cut proved successful for a time but later, David White transits & levels, Kistler's engineers' and draftsmen's department is Youngstown Sheet and Tube Com­ off. He had heavy heart attacks and due to conditions bej'ond his control, Lietz leveling rods geared to serve you, by mall or by phone (MAin pany upon his graduation and since was unconscious for days. Later he operations did not prove profitable, it Lufkin measuring tapes then his experience had been mainly was in hospitals and retired in 1944 5161).. , . v/Ith the new as weii as the time-tested, was the sole ambition of Mr. Kimball Daior floating lamps in the metallurgy of iron and steel, he with a serious heart condition. He to have the property produce another Universal drafting machines in the equipment and supply trade names also having been associated with Otis then moved to Whittier, California, fortune for it's owners. Steel Company at Cleveland, Ohio, where he had since resided as a semi- Anco and Engineering Mfg. you know, and like to use! He was alwaj^s active in local af­ and the Lackawanna Plant of Bethle­ invalid. Drafting fables hem Steel Company at Buffalo, N. Y. He is survived by his widow, Mrs, fairs and served as mayor of Idaho Check the list at left for your needs . . . then write to Springs from 1909 to 1913. His or­ Drafting instruments and ac­ Immediate survivors are his wife Elizabeth Hinman, and a son, Frank, cessory supplies ganization affiliations were the local Clyde Belisle and four children, whose home ad­ both of Whittier; a daughter, Mrs, Complete line office and draft­ lodge of A, F. & A. M.; he became Engineers' & Draftsmen's Supply Dept. dress is Collins, N. Y. James F, Lancaster, of Philadelphia, ing room furniture Hugo Graufig Pa, and a stepson and stepdaughter, a Knight Templar and later a mem­ ber of El Jebel Shrine, . , . and scores of other items KISTLER'S Ex-'16, assistant city engineer, Al­ James Kirkpatrick and Betsy Kirk- used in drafting and engi­ 1636 Champa / Denver, Colo. hambra, California, died of a heart patrick, of Whittier. Mr, Kimball was married in 1895 neering. attack on December 5, 1949. Services were held in Whittier with to Elizabeth Louise Blakie who died Mines Men who attended the serv­ burial at Arlington National Ceme­ in 1932. He is survived by a daughter, ices were his brother-in-law, R. M. tery, Arlington, Va. Mrs. Margaret K, Mershon of West­ STATIONERS PRINTERS BINDERS SUPPLIERS Fullaway, '16; Sidney S. Small, '17; George K. Kimball minster, Colorado; a son, George and Earl Jueck, formerly of Colorado passed away at his home in Idaho Keith III of Palo Alto, Calif.; and School of Mines. Springs, Colorado, January 3, 1950, a brother, Joseph S. Kimball (Mines Brig. Gen. Dale D. Hinman where he had resided practically all '92) of Central City, Colo. Four died at the U. S. Naval Hospital in the time since his graduation from grandchildren and two great- grand­ Long Beach, California, December 26, Mines in 1892. children also survive.

BOOK REUIEUIS Operafors of Concentrating Mills counties are included. The production his­ Treating Metallic Ores tories are presented graphically and nine CContinued from page 41) Part 1 of "Milling Plants in Canada," maps of the producing areas of Eastern Canadian Bureau of Mines, Mineral Re­ Kansas are included. Copies of this re­ ments of lectures and informative meet­ sources Division, Ottawa, July 1949. port may be obtained by writing the Inter­ ings and field trips sponsored by the Soci­ This publication provides a complete state Oii Compact Commission, P, O. Box ety, reports on the regular Society pro­ list of the mills in Canada which are con­ 3127, State Capitol. Oklahoma City 5, ceedings, and personal notes on the mem­ centrating metallic ores. The list is di­ Okla. No other type of classifier does or can bers. vided into sections according to the metals In addition to these features, each issue being concentrated. These sections are as duplicate the uniform quality of over- generally contains an article of a tech­ follows: gold ; copper-gold-silver; c<»pper- TECHniCRL SOCIETIES zinc-gold-silver; nickel-copper; silver and flow of these machines. nical or scientific nature lieaiing with (Continued from page 37) some subject in the field of geology. silver-cobalt; silver-lead-zinc; mercury; molybdenum; tantalum; tungsten. Interest" would be an appropriate theme This issue contains Part Two of a for discussion at the meeting to be held Three-Part article entitled "The Search Given with the name of each company in Biloxi, Miss., May 4, 5, and 6. ADDITIONAL ADVANTAGES . . . Raking capacily lor any for Uranium," written by W. S. Savage of is its address, mill location, name of man­ the Ontario Department of Mines. ager, daily capacity, date of first opera­ Members of standing committees for circulating load. Closed circuit without elevator^. Will op­ tion and type of process used. 1950 were appointed at this meeting, Ex­ erate at 4" in 12" slope without backslip. Will produce Part Two, "Prospecting for Radioactive cept for a few changes, the committee Minerals," is a concise, easy-to-under- members will remain the same as for either: (a) extremely line or very coarse overllows, as re­ stand description of the methods used in Summary of Secondary Recovery Production 1949. The Executive Committee decided quired; ih) will operate at extremely high densities. Heav­ finding uranium. Technical terms and in­ Statistics and Estimated Water-Flood that, since several agencies and associa­ volved explanations are reduced to the Reserves, Kansas, 1948 tions are summarizing production statis­ ily constructed lor long life and low maintenance cost. bare minimum and the author sets forth Compiied by Albert E, Sweeney, Jr., tics, it would be an imposition upon the We also manufacture: in simple one, two, three fashion the meth­ Director Secondary Recovery Division, members of the Economics Advisory Com­ ods of visual identification of uranium Interstate Oil Compact Commission. Inter­ mittee and would not justify the time and COLORADO IRON WORKS CO. ores and of determination by radioactivity state Oil Compact Commission, Oklahoma expense consumed to ask them to dupli­ Lowden DryerSr Skinner methods. City S, Oklahoma, 1949. cate this information. For this reason, it was voted to discontinue the work of the Main Office, DENVER. COLORADO, U. S. A. This latter category of discovery This report, a joint project between Economics Advisory Committee for this method contains a very good exposition agencies of the State of Kansas and the Canadian Locomotive Co,,Ltd.,Kingston,Ont. Vancouver Iron Works, Ltd., Vancouver,: year. ers, Separators and on the use and care of the Geiger counter, Interstate Oil Compact Commission con­ Head, Wrightson & Co.,

44 THE MINES MAGAZINE 9 FEBRUARY. 1950 THE MINES MAGAZINE ® FEBRUARY, 1950 45 Aero Servlee Corp Birmingham, Alabama, GiCO, INC - Midwest Steel & Iron Works Co " • • I Den-; Abrasion :-;': Philndelphia, Peiiiia., .. KnHs in ^ Li--- -—~ 930 2nd Ave. North Arliiiglon, Virginia Denver, Colo., 25 Larimer St. 236 E, Courtlanii Street Dennis al Golden Golden Motors _ ifline & Smelter Supply Company Ainsworth & Sons, Inc., Wni. * Golden, Colorado, 808-13th St, Goiden, Colorado, 1018 Washington Ave. Denver, Colorado Denver, Colo., 2151 Lawrence St. Denver Equipment Company * 3 Bl Paso, Tesas Denver 17, Colo., 1400 17th Blreet Goiden Savings & Lean Assoc New York, N. Y., 1775 Broadway Ajax Flexibie Coupling Company* New York City 1, N. Y., Golden, Colorado, 808-13tli St. Westfield, N. Y.. 135 English St. Salt Lalie City, Ulah 4114 Empire State Bldg. Gaiden Theatre Montreal, Canada, Denver, Colo., 1550 Itlalie St. Chicago 1, 1123 BeD Bidg., Golden, Colorado Canadian Vickers, Ltd. Albany Hotel ..„ 307 N. Michigan Toronto, Ontario, 45 Eichmond St., W. G. G. Grigsby * Santiago, Chile, W. R. Judson Benyer, Colo., 17t!i & Stout Bts. Vancouver, B. C, Desioge, SSissouri Lima, Peru, W. R. Judson Manila, B. I., Edward J. Nell Co. Aleaa Aiiiminum * - 305 Credit Foncier Bldg. Grisham Printing Company * Mines Magazine * _ 41 Pittsburgh, Penna., Gnif Building Mexico, D. F., Ediflcio Pedro da Gante, Denver, Colo., 925 Eighteenih Streel Gaute 7. Denver, Colo., 734 Cooper Building Allis-Chaimers Mfg. Co. * Mrs. A. J. Glide _ 23 Morse Bros. Machinery Company A.... 7 London E. C. 2, England, Goldeu, Colo., P.O. Bos 374 Continental Oi! Bldg. Salisbury House Denver, Colo., 2900 Broadway, Denver, Colorado Johannesbui^, S. Africa, 8 Village Boad Hassco, inc - P. 0. Box 1708 Wiliraukec, Wisconsin Richmond, Australia, 530 Victoria Street Denver, Colorado, X745 Wazee St. Mosebach Elect. & Supply Pittsburgh, Penna, American Paaili! System - —. Denver Fire Clay Company * 4 Heilanii Besearch Corporation* Loa Angeles, Calif., 1S4T S. Flower St. Denver, Colo. Denver, Colo,, 130 East 5th Ave. 1115 ,\rlington Ave. AmerlGan Zino, Lead & Smelt. Ca Salt Lake City, Utah, P. 0. Box 836 Hendrie & Boithoff Co. * Mountain States T. fi T, Co Columbus, Ol!io, 1363 Windsoi El Paso, Texas, 209 Mills Bldg, Denver, Colorado, 1659-17th St, Denver, Colo., 931 14lh SI. Apache Exploration Co., Inc Denver Machine Shop Hereules Powiier Company * Nallonai Fuse & Powder Company A 3 Houston, Texas, Mellie Esperson BldE, Denver, Colo,, 1409 Blake St. Denver, Colo., 650-17th St, Denver, Colo. The Appliance Shoppe ..— - Denver & Rio Grande Western R.R. Co Wilmington, Delaware, 737 King Street Nafl Malleable & Steel Casting Co Goiden, Colo., HIS W, Asli Heron Engineering Co 23 Cleveland, Oiiio, 10600 Quincy Ave. Armca Drainage & MoE'l Prod. Ific. * Denver, Colo., 1531 Stout St. Denver Sewer Pipe & Clay Co Denver, Colo., 2000 So. Acoma Denver, Colo., 3033 Blake St, Hafional Titanium Co 43 Denver, Colo., W. 45tii Ave. & Fos Hilger & Watts Ltd inside front cover HaiTlesty Dit. Nuefear Development Lab Denver Steel & iron Works Co Watts Division, 48, Addington Bq., Atlantic Retiiiin!; Company Denver, Colo., W. Colfax Ave. & Larimer London, S.E.S. England Kansas City, Mo., Box 7601 Philadelpiiia, Peana., dn Pont de Nemaurs & Company, E. J HoManii House, The Oliver United Filters 3144 Piissyuiiii Avenue Denver, Colo., 444 Seventeenth SI. Golden, Colorado N. Y., N. Y., 60 B. 43nd SI. Bethlehem Supply Company Wilmington, Delaware Osgood Company _ Humphreys Investment Co Jiarion, Ohio Ban Francisco, Calif, San Francisco, Calif., Ill Sutter St. Denver, Colo., Ist Nat'i Bank Bldg, Black Hilts Bentonite Dorr Company, Tho * Paramount Gleaners Husky Oil & Heliiiing Co. Golden, Colo., 809 13lh Si. Moorcroft, Wyo. New York 22, N. Y,, 570 Uxington Ave. Calgary, Albei-ta, 531 iiliglith Ave. West Atlanta, Wm. Oliver Building Bradley Mining Company Independent Exploration Co Pariier & Company, Charles 0. A.... 3 San Fianoisto, Calif., Toronlo, 80 Richmond St., W. Denver, Colo., 2114 Cintis Street Chicago, 231 N. LaSalle Street Houston, Texas, Esperson Bldg, The Caiifornia Company Denver, Cooper Building Independent Pneumatic Tool Ca Price Company, H, C. * New Orleans, La., 1818 Ciinal Bldg. Los Angeles, 811 W. 7lh St, Denver, Colorado, 1040 Speer Blvd. Bartlesville, Okla. Capahiliiy Exchange * 4 Duke's Place InDersalf-iland * _ __ Los Angeles, Calif. Denver, Colo., 734 Cooper Bldg, Golden, Colorado, lit, 1, Box 81. Birmingham, Ala., 1700 Third Ave. San Francisco, Calif. 7 Card Iron Wortts Company, C. S. Butte, MoLil., 845 S. Montana St. Professional Cards 5, 6 'A Zt.>--n------••• Wherever iron or steel meets abra^ •'i:,V\^ Duvail-Davldson Lamiier Co Chicago, 111,, 400 W. Madison St. Denver, Colo., 2501 West IGth Ave. Golden, Colo., 1313 ^'ord St. Cary Mafar Company - Denver, Colo., 1637 Biake St, Public Service Company of Colo. * Eaton Metai Products Company *.... 3 i!l Paso, Texas, 1015 Texas St. Denver, Colo., Gas & Electric Bldg. Golden, Calorado Denver, Coio., 4800 York Bl. Kansas City, Mo., 1006 Grand Ave. • '.^^V^^!^'^ ••-y W Centra! Hanh and Trust Company * sive minerals, how to specify the best Edison, Inc., Thomas A Los Angeles, Calif., 1460 E. 4th St. Pure Dli Company Denver, Colo., 15th & Arapalloe West Orange, New Jersey Manila, P. I., Earnshaws Docks &, Chicago, Ills., 35 E. Wacker Drive Honoiiilu Ii'on Works wear-resisting materials 1 Century Geophysical Corp Eimco Corporation, The *- Boebling's Sons Company, John A. A Tulsa, OJiialioma New York, N. Y., 11 Broadway Chicago, HI., 333 No. Michigan Ave. Pittsburgh, Pa., Trenton, New Jersey New York, New York, 149 Broadway El i'aso, Texas, MUls Bldg. \ \ Textbook information is scanty, and large- ti^| t-^^ 706 Cbamber of Commerce Bldg. Denver 16, Colo,, 4S01 Jaeiison SI. Houston, Texas, Neils-Esperson Bldg. New York, N. T., 330 W. 42nd St, Sacramento, Calif., 1217 7th St. Salt Lake City, Utah, Seismic Explorations, Ine liffl :V5^ Christensen Diamond Pdets. Go Bait Lake City, Utah 144 S. W. Temple St, \ * (^^^^"^''^^'^"^tsoo"^^ scale wear tests are tedious, expensive and too Salt Lake City, Utah, San Francisco, Calif., 350 Brannan St. Seismograph Service Corporation Empire Founilry Co 1975 So. End Weal Seattle, Wash., 526 First Ave, So. Tulsa, Oldahoma Denver, Coio., 130 Larimer Tulsa, Oiila., 319 E. 6th St. \A r^^^kr inconclusive. t:^^'^^ Climax Mfllybdeiium Co. ..Inside back cover Silver Sfate Printers Exploration Service Co intermounlain Exploration & Golden, Colorado, 1313 Jackson St. New York, N. Y., 500 Fifth Ave. Barllesville, Oida., Bos 1289 Engineering Co I ' 'l\ 9 CM|C^-;J;^ Reprints of an informative and authoritative Coiorado Builders Supply Co First National Bank Casper, Wyomii!g, 214 Cottman Bidg. Sinclair, Harry (Hard Rock) A Denver, Colo., W. Evana and S. Mariposa Golden, Colo. Ives, Ricitard _ Denver, Colo., 2224 Welton St. I ' rSfelViVcoo^^^^^ paper (published by the American Institute J V"';^ V'^V^ Casiier, Wyo., East Yellowstone Highway Denver, Colo., 661 W. Colfax Ave. Flexible Sieel Lacing Co. * _.. Spans & Company Colorado Central Power Co. ..- I " r'"^'';-t^^^-^' Chicago, ni., 4628 Lexington SI, Jeifrey ManufaetLirhig Company * Butler, Pennsylvania of Mining and Metallurgical Engineers), giv^ % Coiorado Fuei & Iron Corp 8 Florenee Mchy. & Supply Co Columbus, Oliio, 940-99 No. Fourtii St. Amarilio, Texas, 711 Oliver Eaiiie Bltig. Denver, Colo., E. & C. Building Stearns-Hoger Mfg. Company A 34 \ ing the statistical results of extensive ^\L-ar Butle, iMotlL, 505 Metals Bank Bldg. Denvej', Colo., Etjuitable Bldg. Denver, Colo., 1720 California St. Chicago 4, HI., Fluor Corporation, Ltd. Joy Manufacturing Co. * 613 Kuilway Exciiange Bldg. Los Angeies, Calif., 403 W, Sth Streel Henry W. Oliver Bldg., Piltsburgh, Pa. Stephens-Adamson Mfg, Go - II \ * 'n^*^-;"^din*« tests on a wide range of grinding ball m;u- pt'oA^ Dallas, Texas Foss Drug Company Aurora, iliinois Denver 1, Colo., Continenlal Oil Bldg. Golden, Coio. Keilogg's Hardware, liic Los Angeles, Calif. 3T I «* StS^,B^ftl erials, are now available. Bl Paso, Texas, 805 Bassett Tower Bidg. Golden, Colo., 1217 Washington Ave, Belleville, Ontario, Canada Fort Worth 2, Texas, 1502 Fort Worth Foss, inc., M. L National Bank Bldg. Denver, Colo., 1901 Arapahoe Itendrick-Boilaniy Company * 5 Stoneiiouse Signs, Inc. A..... %> \ ' ^ clt, cooled j», Copies of this paper are available to intetc-i cil piir^f^^ Lincoln 1, Nebraska, 330 Nortli 8tli St, Froitos Company * Denver 3, Colo., 1641 California St. Denver, Colo., 842 Larimer St, Los Angeles 1, Calif., 733 East fiOth St. Salt Lake City, Utah, 114 W. Bdwy. Kistler Stationery Company * 45 Strawn's Book Store \ ''6 rao^'^tiJ engineers and metallurgists. Although ihr KQi,^^^ Oklahoma City 2, Okla., Frontier Befining Company Golden, Coio., 1205 Washington Ave. 901! Colcoi'd Bldg. Denver, Colo. Phoenix, Arkona, 112-116 West Jackson Denver, Colorado, Boston Bldg. -l \ 8. data apply specifically to wear tests on fepfc^f Clieyenne, Wyoming Lesehen & Sons Rope Co., A Thomas-Hlckerson Motor Co Salt Lake Cily 1, Utah, St. Louis, Mo., 5909 Kennerjy Ave. Denver, Colo., 1000 E. 18th Ave. 604 Walker Bank Bldg. Frost Geophysical Corp ing balls, there is a wealth of compar.ui\r Ban Francisco 3, Calif., Tuisa, Okla., Bos 58 Link-Beit Company * Tierney Jewelry Co 1245 Howard St, Gari!nor-Denver Company * _, Chicago, 111., 300 W. Pershing Rd. (loIdeLi, Colo., 4 \Cooted\^»V^V;V;.: information listed in the form of "abra-ion ..".^^^'^ Spokane 8, Wash., Quincy, Illinois Atianla, Ga., 1116 Murphy Ave., S.W. 1206 Washington Ave. 910 Old Nalloilal Bank Bldg. Denver, Colorado Indianapolis, Ind., 220 S. Belmont Ave. Topside Oil Company _ Wichita 2, Kansas, Butte, Munt., 215 E. Park St. San Francisco, Calif., 400 Paui Ave. Mp^-^^;;;".; factors" for forged and cast steels, chill c.isi 430 So. Commerce St. Philadelphia, Pa., Denver, Colorado, Symes Bldg. Colorado Iron Works Company * 45 El Paso, Texas, 301 San Francisco St. Salt Uke City, Utah, 2046 W. Euntington Park Ave. Union Supply Co 46 \ te^^S^ irons, white irons, etc., which can be applied Uo." Denver, Colo., 1634 Seventeenth St. Denver, Colo., 521 Biaton Bldg. Kingston, Ontario, Can., 130 West 2nd Soulh Denver, Colo., 1920 Market St, Los Angeles, Calif., 845 E. 61st St. Toronto, Can., Eastern Ave. & Leslie St, Canadian Loco. Wks. Co. United Geophysical Company, Inc ^^ to many other abrasive conditions t'liCHiii' Mo.l?p^ Vaneouver, B. C, Can., San Francisco, Calif., 811 Folsom St. Seattle, Wash., 514 First South Lufkin Biile Co Tulsa 3, Okla., 822 Thompson Bldg. Vancouver lion W!is., Lid. Saginaw, Michigan Pasadena 1, Calif., 595 E. Coiorado SI. Johaitneshurg, So. Africa, Gates Rubber Company * Inside front cover Mace Company, The * Head, Wrightson & Co. Birmingham, Ala., Urquhart Service A Denver, Colo., 3763 Blaiie St, Stocltton on Tees, Eng., 801-2 Liberty National Life Bldg, Denver, Coiorado, 306 Mercantile Bidg. Head, IVriglUson & Co. Cllicago, ni., 549 West Waslilngton Manning, Fred M., Ine Granville, N. S, W., Vulcan Iran Warks Co Dallas, Texas, 2213 Griffin Denver, Colo., Continenta! Oil Bldg. The Clyde Eng. Co., Ltd. Denser, Coio., 099 South Broadway Denver, Colo., 1423 Stout Bt. Colorailo National Banii Hoboken, N. J., Terminal Building Martin Dociisr Corporation Western Maehinery Co. A „ Denver, Colo., 17th & Ciiampa St. Los Angeles, Calif., Long iieacli, Calif. Smd mm fijr reprint on Wear Tests 2240 East Washlngion Blvd. San Francisco 7, Calif., 760 Folsom St. Colorado Transcript MeElray Ranch Company ._ 3 Portland, Ore., 333 N. W. Fiftli Avenue Western Oil Tool & Mfg. Co. Golden, Colorado San Francisco, Calif., 1090 Bryant St. Ft. Worth, Texas, 500 Neil P. Please send FREE the Anderson Bldg. Casper, Wyo., Box 260 Coors Porcelain Company A Generai Eloefrie Company .._ _.. Golden, Colorado Schenectady, New York MoFarlane-Eggers Mchy, Co Wilfley & Sons, A. R. A Back cover Denver, Colo., Denham Bldg. 32 pp, reprint on " Wear Tests " Generai Geophysical Co Denver, Colo., 2763 Blake St. New York Cily, 1775 Broadway Craig-Frederick Chevrolet Houston, Texas McKeehen Clothing Co Golden, Colo., IStii & Ford St. Williams Gauge Co. A Name Geoiograph Co., inc, Golden, Coio., 1322 Washington Ave. Pittsburgh 12, Pa., Delsfer Concenfrator Co. * Oklahoma Cily, Okla., P. 0. Bos 1291 1630 Pennsylvania Ave. Fort Wayne, Ind., Sll Glasgow Ave. Merrick Scale Mtg. Co. _.. Passaic, New Jersey New York, N. Y., 104 Pearl St. Geo photo Services Yarnall-Waring Company * Company Nesquehoning, Pa., 231 E. Catawissa St. Denver, Colorado, Metal Treating & Research Co 36 Philadelphia, Penna. Nibbing, Minnesota, P. 0, Box 777 305 Ernest & Cranmer Bldg, Beuver 3, Colo., 651 Sherman Bt. Denver, Colo., 1550 Biake St, ^Advertised in Year Book of "Mines" Men, Gibraltar Equipment & Mfj. Co, * Metropalitai! Barber SItop 7 Address 1948. Yuba Manufacturing Company A Alton, UL, P. 0. Box 304 Golden, Colorado San Francisco, Calif., 351 California St. FI5 46 THE MINES MAGAZINE • FEBRUARY, 1950 Coniplt;^c hsiiircis^:U;rf(-HAhllny v^s pifss;, - rubber to metal, or metal to rub­

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