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STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-J. E. JOHNSON, JR.,* chairman. Finance-J. V. N. Dorm, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADLEY STOUGHTON, chairman.

Jan 5, 1919

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Jan 1, 1938

For the year ending February, 1920 PRESIDENT HORACE V. WINCHELL,. MINNEAPOLIS, MINN. PAST PRESIDENTS PHILIP N. MOORE ST. Louis, Mo. SIDNEY J., JENNINGS NEW YORK, N. Y. FIRST VICE-PRESIDENT A. R. LEDOUX, NEW YORK, N. Y. TREASURER GEORGE D. BARRON NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 3, 1919

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Jan 1, 1942

By Robert Job

Up to five years ago the pig-iron used by the Philadelphia & Reading Railway Co. had been obtained solely upon the appearance of the fracture; but as the service was unsatisfactory, an investigation was made to determine the quality best adapted

Jan 1, 1905

Map

Jan 1, 1938

Jan 1, 1965

By E. Gybbon Spilsbury

In a paper* read at the last meeting of the Institute, in Scranton, Pa., I referred to the proposed introduction at the Haile gold-mine, South Carolina, of a novel method of chlorination. I have since

Jan 1, 1888

Selected bibliographies of the Iron Resources of the World and the Coal Resources of the World have' been prepared by the Engineering Societies Library for the National Research Council from the most prominent. American, English and foreign books and periodicals. The bibliograpies are intended as a guide to the literature giving economic

Jan 5, 1919

By D. J. Sellmyer

In order to orient single crystals by the back-reflection method it is necessary to know the angles between the various crystallographic planes. These angles have already been published for the hexagonal close-packed metals magnesium, zinc, and cadmium.'

Jan 1, 1965

Jan 1, 1911

The Institute is desirous of securing the photographs of Adolph Patera and Albert Serlo, two deceased honorary members of the Institute. All resources within the ken of the Secretary have been tried out to secure these photographs without avail. If any, of our members can give us suggestions which will lead to the accomplishment of the desired ends, such suggestions will be much appreciated.

Jan 5, 1919

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

(Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, aged 34, married, technical graduate, 10 years' experience as mining engineer and mine superintendent, desires position. Can show low cost records and good references. No. 176.

Jan 1, 1916

Jan 1, 1954

Jan 1, 1938

Jan 1, 1938

Jan 1, 1940

Jan 1, 1946

Jan 1, 1940