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Jan 1, 1957

Jan 1, 1942

Jan 1, 1942

Jan 1, 1949

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Jan 1, 1907

Jan 1, 1949

Established as a Division September 27, 1949 LeRoy Scharon, Chairman C. M. Cooley, Secretary 29 West 39th Street New York 18, N Y

Jan 1, 1952

[Executive E. DEGOLYER, Chairman SYDNEY H. BALL WILLIAM H. Bassett RICHARD PETERS, JR. J. V. W. REYNDERS Finance GEORGE D. BARRON, Chairman H. A. GUESS GEORGE OTIS SMITH]

Jan 1, 1928

Jan 1, 1946

PRESIDENT Mrs Oliver Bowles 5000 Massachusetts Ave N W Washington 16, D. C FIRST VICE-PRESIDENT Mrs David Eugene Park 350 East 57th Street New York 22, N Y. SECOND VICE-PRESIDENT Mrs A B. Kinzel 320 Park Avenue New York 22. N. Y

Jan 1, 1952

Jan 1, 1935

Jan 1, 1910

Jan 1, 1965

Jan 1, 1946

New Products Equipment

Jan 12, 1951

By Ellison C. Means

Many Virginia furnaces are troubled with a small percentage of zinc in their stock, this element being present, although the chemist may have failed to report it, either in the ore or in the limestone.

Jan 1, 1889

The Duluth Engineers' Club was formally organized on the evening of Aug. 5, 1918, at a meeting .attended by over l00 members of the several engineering professions. W. G. Swart, a member of our Institute, was elected the first President of the Club. At the organization meeting, an opportunity was given, to Alfred D. Flinn, Secretary of the United Engineering Society, to outline the assistance that is being rendered to the Federal Government in the present contingency by members of the engineering profession. Membership in the Duluth Club is to be open to mining engineers on the iron ranges as well as to the residents of the city of Duluth.

Jan 10, 1918

By A. J. Zinkl

A two-year test led to adoption of carbide insert bits at the Iron King mine. Results: greater production, lower costs, and happier miners.

Jan 4, 1951

Jan 1, 1884

Jan 1, 1952