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Jan 1, 1916

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 7, 1919

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

By V. R. Garfias

After a series of fruitless negotiations, the Mexican Government, on March 18, 1938, decreed the expropriation of several oil companies, and took possession of the properties, offices and records not only of the expropriated companies but of others not legally expropriated. This condition prevails to date.

Jan 1, 1939

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Jan 1, 1938

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Jan 1, 1938

By C. A. Stetefeldt

In my paper on "The Refining of Sulphides Obtained in the Lixiviation-Process with Hyposulphite Solutions," read at Cleveland, June, 1891 (Trans., xx., 37), I recommended the Roessler converter

Jan 1, 1893

By R. S. Wagner, W. G. Pfann

METHODS that have been used to measure stress relaxation in metals and plastics have been reviewed recently by G. R. Gohn and A. FOX.' The ideal stress relaxation test comprises placing a sample under a constant strain (usually considered

Jan 1, 1962

PRESIDENTS L. D. RICKETTS, NEW YORK, N. Y. PAST PRESIDENTS BENJAMIN B. THAYER, NEW YORK, N. Y. WILLIAM L. SAUNDERS, NEW YORK, N. Y FIRST VICE-PRESIDENT SIDNEY J. JENNINGS, NEW YORK, N. Y. TREASURER GEORGE C. STONE, NEW YORK, N. Y.

Jan 1, 1917

The Committee on Nominations begs to submit the following names as its nominees for the respective offices indicated: For President, SIDNEY J. JENNINGS, New York. For Vice-Presidents, WALTER H. ALDRIDGE, New York; MARK L. REQUA, San Francisco. For Directors, J. E. JOHNSON, JR., New York; ALLEN H. ROGERS, Boston; HOWARD N. EAVENSON, West Virginia; ROBERT M. RAYMOND New York; WILLET G. MILLER, Canada.

Jan 12, 1916

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Jan 1, 1938

Estimates of 80% coal recovery in strip mining and 5O% recovery in auger mining are commonly used in reserve base calculations, according to a Bureau study team. A survey of coal mining states east of the Mississippi was conducted to test the validity of those figures.

Jan 10, 1977

(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, 1938

By John R. Burger

Industrial mineral mines that have recently been opened, or soon will be opened in the northern circumpacific will produce potash in Canada, Mexico, and Thailand; phosphate in the US, Mexico, and Colombia; soda ash in the US; and chromite in the US and the Philippines.

Jan 1, 1982

By M. Weinstein, J. F. Elliott

IN conjunction with a study on the solubility of hydrogen in liquid pure iron and iron alloys, new and

Jan 1, 1963

By John D. Welsh

Jan 1, 1985

By Granville S. Borden

THE program for income tax legislation presented here proposes some diminution in the current tax burden on mineral producers but it will, if enacted, eventually increase the potential and current Government revenue from the mineral industry.

Jan 6, 1951

Notice is hereby given that all members whose dues are paid for the year 1917 will be supplied with a copy of the Volumes MV and LV. Volume LVI has been delayed by the fact that our printer, like almost every other industrial society, has taken up war work and is under great pressure in addition thereto. Volume LVI will be sent before the end of the year, to members whose dues for the year 1917 are paid.

Jan 12, 1917

We are advised by Second-Lieutenant Maxwell E. Erdofy, a member of the Institute, and athletic officer of the 602d Engineers, stationed at Camp Devens, Mass., that his regiment, representing all branches of the engineering profession, is in need of athletic equipment and supplies. The regiment will highly appreciate any assistance in the way of financial contributions, or of apparatus and equipment for their athletic needs.

Jan 5, 1918