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PRESIDENT. CHARLES F. RAND,1 NEW YORK, N. Y. PAST PRESIDENTS. CHARLES KIRCHHOFF,1 NEW YORK, N. Y. JAMES F. KEMP,2 NEW YORK, N. Y. FIRST VICE-PRESIDENT. BENJAMIN B. THAYER,1 NEW YORK, N. Y. TREASURER. GEORGE C. STONE,' NEW YORK, N. Y. SECRETARY EMERITUS. ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY. BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 9, 1913

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Jan 1, 1938

Jan 1, 1914

Established as a Division November 17, 1948 R Schuhmann, Jr, Chairman A E Lee, Jr, Past Chairman R C Cole, Chairman-Elect H W St Clair, VIce-Chairman, '61 , Vice-Chairman, '62 Paul Queneau, Vice-Chairman, '63 T D Jones, Treasurer R W Shearman, Secretary AIME, 29 West 39th Street New York 18, N Y

Jan 1, 1960

By A. C. Losekamp, R. M. Fincel, J. B. Conway

HIGH-TEMPERATURE thermal-expansion data for tungsten, rhenium, molybdenum, Mo-50Re, and W-25Re were obtained recently by means of a paired

Jan 1, 1965

Executive-A. R. Ledoux, chairman. Membership-J. V. W. REYNDERS, chairman. Finance-J. V. N. Dorr, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications--BRADLEY STOUGHTON, chairman. Nominations-Pope YEATMAN, chairman.

Jan 11, 1919

Jan 1, 1933

BUFFALO J R Atkinson, Chairman (Hamilton, Ont, Canada) C E Moyer, Vice-Chairman H A Morlock, Secretary CHICAGO H Erler, Chairman (Gary, Ind ) M E Nickel, Vice-Chairman A M Kroner, Secretary-Treasurer CLEVELAND C W Cravens, Chairman (Cleveland) E J Sobey, Vice-Chairman E Kondas, Secretary Leo Svete, Treasurer

Jan 1, 1958

Congress has authorized the President to control the supply and distribution of the following: Antimony, arsenic, ball clay, bismuth, bromine, cerium, chalk, chromium, cobalt, corundum, emery, fluorspar, ferrosilicon, fullers' earth, graphite, grinding pebbles, iridium, kaolin, magnesite, manganese, mercury, mica, molybdenum, osmium, sodium, platinum, palladium, paper clay, phosphorus, potassium, pyrites, radium,

Jan 12, 1918

Schedule of Events

Jan 8, 1950

ASSETS Working Fund Assets Cash-unappropriated $62,41294 Members' 1951 dues receivable 14,336 98 Accounts receivable Advertising, publications and miscellaneous $43,22055 Less-Reserve for delinquent accounts 12,775 76 $30,44479 Petroleum Branch-Special Projects Fund¬ Advances re Petroleum Conservation Volume 5,37085 35,81564

Jan 1, 1952

Jan 1, 1918

Truman H. Aldrich '78 W. S. Ayres '73 Andrew A. Blair '75 Walter M. Brodie '72 H. M. Chance '74 Fred'k G. Corning '77 Ralph Crooker '81 A. W. Crookston '80 George M. Davidson '81 W. B. Devereaux '80 H. S. Drinker Founder

Jan 1, 1929

NORTH AMERICA Number of Members Page States of the United States Alabama 138 376 Arizona 304 376 Arkansas 41 377 California 1,484 378 Colorado 354 383 Connecticut 149 385 Delaware 33 385 District of Columbia 288 386 Florida 57 387 Georgia 21 387 Idaho 130 387 Illinois 565 388 Indiana 153 390 Iowa 11 390

Jan 1, 1952

E P MATHEWSON, Disttrict 0 NEW YORK, N Y PAST PRESIDENTS EDWIN LUDLOW, District 0 NEW YORK, N Y ARTHUR S DWIGHT, District 0 NEW YORK, N Y FIRST VICE-PRESIDENT J V, W REYNDERS, NEW YORK, N Y TREASURER CHARLES F RAND, NEW YORK, N Y

Jan 1, 1923

The following list contains the names of members of whose deaths notices have been printed in MINING AND METALLURGY during the year ending April 1, 1939. Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns.

Jan 1, 1942

A. E. HALL, Palmerton, Pa.-I would like to ask the author if he has ever used, in his furnaces, any inner tube which would permit experimentation with various oxidizing gases, under varying conditions?

Jan 4, 1918

By J. B. Rasmussen, M. A. Anderson

Mine maintenance department organization varies widely among companies. The four concentrator maintenance departments shown here illustrate specific practice. In order to indicate the relationship of the maintenance department to operations and to higher-level management, many subordinate functions have been omitted or abbreviated. Where possible, the number of supervisory, technical, and craft personnel are included.

Jan 3, 1978

Jan 1, 1916

[Allen-Sherman-Hoff Pump Co Third Cover Dee Carlton Brown,-Advertising Allis-Chalmers Mfg. Co. 8 Compton Advertising, Inc. American Cyanamid Co. 18,19 James J. McMahon. Inc. American Manganese Steel Div. American Brake Shoe Co. 20 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. Kenyon & Eckhardt Inc. Atlas Powder Co. 11 The Aitken-Kynett Co..]

Jan 1, 1952