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New Products Equipment

Jan 9, 1950

Jan 1, 1899

Jan 1, 1926

A well=planned, useful little book on how to prospect for and find the ores of the different metals, with illustrations of the lay of the terrain and an appendix of mining terms, which will prove most useful to young miners. [ ]

Jan 1, 1949

New York Holds monthly meetings, except June, July and August JOHN A CHURCH, JR, Chairman JOSEPH E POGUE, Vice-chairman SIDNEY ROLLF, Vice-chairman EDWARD C MEAGHER Secretary, Texas Gulf Sulphur Co, 41 E 42nd St, New York M H MERRISS, Treasurer, 42 Broadway, New York ARTHUR NOTMAN T T READ Boston Meets first Monday of each winter month EDWARD C GEITHER, Chairman WILLIAMS BLACK, Vice-chairman DONALD H MCLAUGHLIN, Secretary-treasurer, Rotch Bldg, Harvard Univ, Cambridge, Mass J L GILLSON A G WAITD

Jan 1, 1923

Institute of Metals Division SAM TOUR, Chairman J. R. FREEMAN, JR., Vice-chairman ZAY JEFFRIES, Past-chairman C. H. MATHEWSON, Vice-chairman WILLIAM M. COHSE, Secretary-Treasurer 810 Eighteenth Street, N. W. Washington, D. C. Executive Committee Until February, 1931 Until February, 1932 Until February, 1933 T. S. FULLER J. L. CHRISTIE W. M. W.M. PEIRCE G. E. JOHNSON ARTHUR PHILLIPS A. J. PHILLIPS W. A. SCHEUCH H. M. WILLIAMS GUY C. RIDDELL Research PAUL D. MERICA, Chairman S. SKOWRONSKI Data Sheet R. S. ARCHER, Chairman T. S. FULLER J. STRADSS C. H. MATHEWSON F. L. WOLF

Jan 1, 1929

By J. F. Myers, F. M. Lewis

The paper reports the development of a large, slow speed ball mill closed circuited with a hydroscillator. This increased grinding efficiency 28 pct over conventional units.

Jan 6, 1950

Jan 1, 1966

Jan 1, 1891

Jan 1, 1964

Jan 1, 1959

Jan 1, 1914

1-Coal and Coal Products HOWARD N EAVENSON, Chairman C. T. HAYDEN, Vice-chairman, Bituminous Coal Production CHARLES DORRANCE, Vice-chairman, Anthracite Coal Production HOWARD P. ZELLER, Vice-chairman, Evaluation of Coal for Coke Making W H. FULWEILER, Vice-chairman, Gas and Its Manufacture J. B. MORROW, Vice-chairman, Coal Preparation Bituminous Coal Production C. T. HAYDEN, Chairman R L ADAMS EUGENE MCAULIFFE HAROLD J ROSE WILLIAM H BLAUVELT H E NOLD D. A RUSSELL GEORGE W EVANS JAMES W PAUL CECIL W. SMITH JOHN A GARCIA GEORGE S RICE SAMUEL A TAYLOR H. S GEISMER W F RITTMAN F G TRYON FRANK HAAS J D ROGERS FRANCIS R WADLEIGH CHESTER M LINGLE

Jan 1, 1923

By Joseph D. Weeks

FIFTY-eight years and a day, full of labor, of achievement and of honor had been completed when, at Pittsburgh, on the 5th day of May, 1892, the wheels of a life that had but just before lost its inspiration stood still, and the work here of William Powell Shinn was at an end. Born at Burlington, N. J., May 4,1834, he received such an education (and it was. the only school education he ever had) as the public

Jan 1, 1893

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Jan 1, 1938

By Benny J. Nelson

To obtain information on the effect of gallium upon the corrosion of magnesium alloys, tests were made on the commercial alloy AM52S (Mg-3 pct Al-1 pct Zn-0.2 pct Mn) and experimental

Jan 1, 1957

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Jan 1, 1938

By Duane L. Whiting

Jan 1, 1985