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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

Jan 1, 1918

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Jan 1, 1938

Jan 1, 1932

[Year of Election 1944. WALTER HULL ALDRIDGE New York, N. Y. 1946. PETER M. ANDERSON Johannesburg, South Africa 1946. CHARLES CAMSELL Ottawa, Ont., Canada 1946. CHARLES AUGUSTUS CARLOW Fife, Scotland 1946. CECIL DESCH London, England 1946. WILLIAM FRASER London, England 1922. FEDERICO GIOLITTI Torino, Italy]

Jan 1, 1946

Jan 1, 1915

Jan 1, 1951

By W. P. Haynes

DuRing 1939. there were no discoveries of oil and gas in Rumania worthy of mention. and the only important extension was the anticipated

Jan 1, 1940

Jan 1, 1945

Jan 1, 1944

INDUSTRIAL MINERALS DIVISION (Nonmetallics) Established as a Division March 15, 1935 Ian Campbell, Chairman Robert C Stephenson, Eastern Vice-Chairman Allen Cole, Southeastern Vice-Chairman David P Hale, Jr, Rocky Mountain Vice-Chairman G H Waterman, Western Vice-Chairman M F Goudge, Canadian Vice-Chairman James Norton, Secretary-Treasurer Mineral Deposits Branch U S Geological Survey Washington 25, D C.

Jan 1, 1952

CARACAS PETROLEUM Established February 24, 1957 Meets second Tuesday monthly W F Shelton, Chairman Homer N Mead, First Vice-Chairman Jose G Paez, Second Vice-Chairman T A Moore, Treasurer E A Moore, Secretary Cia Shell de Venezuela Apartado 809 Caracas. Venezuela

Jan 1, 1958

By John W. Rushton

This month's article concludes the series with maintenance design considerations in secondary crushing, grinding, and flotation circuits.

Jan 4, 1978

Jan 1, 1889

By R. W. Heckel

It has been shown previously that the effect of applied pressure on the density of a metal powder may be expressed by a relationship of the form:

Jan 1, 1962

The attached tables show that in 1935 production of crude oil in Poland slightly decreased (minus 14,450 tons) and that gas production

Jan 1, 1936

Jan 1, 1935

Jan 1, 1939

By J. S. Billheimer, H. H. Reamer, B. H. Sage

Jan 1, 1949