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Jan 1, 1938

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Jan 1, 1907

Jan 1, 1954

Jan 1, 1896

Jan 1, 1935

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Jan 1, 1907

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Jan 1, 1957

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Jan 1, 1947

New Products Equipment

Jan 12, 1950

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Jan 1, 1907

Jan 1, 1958

Jan 1, 1948

By S. F. Bartram, G. A. Chase

COMPUTED X-ray diffraction powder patterns of YNi3, YNi5, and CbBe3 are available on request from either author.

Jan 1, 1968

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Jan 1, 1907

[Year of Election . 1944 .WALTER HULL ALDRIDGE New York. N. Y 1944 . SELWPN GWILLYM BLAYLOCK Trail. B.C.. Canada]

Jan 1, 1946

Jan 1, 1883

PRESIDENT AND DIRECTOR HOWARD N. EAVENSON PITTSBURGH, PA PAST PRESIDENTS AND DIRECTORS SCOTT TURNER WASHINGTON, D. C. FREDERICK M BECKET NEW YORK, N. Y. VICE-PRESIDENT, TREASURER AND DIRECTOR KARL EILERS NEW YORK, N. Y

Jan 1, 1935

Jan 1, 1892