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Jan 1, 1946

Jan 1, 1943

Jan 1, 1921

Jan 1, 1958

Jan 1, 1913

Jan 1, 1898

The Mines Handbook, Published by Mines Information Bureau, Inc., Suffern, N Y. It is felt that the Mines Information Bureau should be included in this directory, as publishers of a valuable reference book of mining companies of the United States and Canada, known as the "Mmes Handbook "

Jan 1, 1933

By R. L. Mauger, P. E. Damon, B. J. Giletti

On page 85 of the March 1965 issue of Transactions the heading of the third data column of Table II should read Ar40 Atmos %, and the first decay constant at the bottom of the Table should read ?ß.

Jan 1, 1965

By Sven A. Wehrwein

Leveraged buyouts are a fixture in today's market place. This paper will include comments on how LBO's are analyzed, structured and sold, as well as an overview on the present environment of LBO's.

Jan 1, 1990

COAL DIVISION Established as a Division September 20, 1929 A. Lee Barrett, Chairman Ralph E. Kirk, Chairman-elect David R. Mitchell, Secretary-Treasurer Professor of Mining The Pennsylvania State College State College, Pa.

Jan 1, 1952

THE New York Petroleum Club has elected the following officers for the current year: Chairman, William B. Heroy; vice-chairmen, Edwin B. Hopkins, Warren. A. Sinsheimer; secretary, A. C. Hunter. This is the local section of the Petroleum Division. It holds monthly lunch-eons, usually in the rooms of the Railway Club.

Jan 3, 1927

President MRS. FREDERICK LAIST 24 Tompkins Road Scarsdale, N. Y. First Vice-president MRS. LOUIS D. HUNTOON Pleasantville New York Second Vice-president MRS. REED W. HYDE 84 Mountain Avenue Summit, N. J. Third Vice-president MISS MADELINE P. STONE 49 West 11th St. New York, N. Y. Fourth Vice-president MRS. JOHN J. LINCOLN Elkhorn, McDowell Co. West Virginia

Jan 1, 1932

By J. C. Fisher

THE following facts are reasonably well established concerning the influence of boron on the hardenability of steel:1-4 1—Boron does not appreciably influence the ther-

Jan 1, 1955

Mellon Institute of Industrial Research, University of Pittsburgh, Pittsburgh, Pa. The Mellon Institute of Industrial Research has carried on for years research and investigations for all type and manner of indus¬try. One of the provisions of the foundation of the Institute is the

Jan 1, 1933

Arrangements have been made for a cooperative investigation of the fatigue phenomena of metals by the University of Illinois, the Engineer-ing Foundation, and the National Research Council. The work will be done in the laboratories of the Engineering Experiment Station, the Committee on the Fatigue Phenomena of Metals of the National Re-search Council acting as an advisory committee.

Jan 12, 1919

Jan 1, 1932

IT is not enough to know how to melt well and to have the bellows and charcoal for your purpose. If you wish to make small castings turn out well, on account of their thinness, it is necessary to aid the metals with unctuous and corrupting materials like tin, sublimate, arsenic, or realgar,

Jan 1, 1942

PROF. COURTENAY DE KALB, Kingstou, Oat. (communication to the Secretary): It. may be due to some lack of carefulness in expression that Mr. Upham seems to imply that there

Jan 1, 1899

Commonwealth of Virginia, Department of Labor and Industry, Rooms 313-318, State Office bldg , Richmond, Va John Hopkins Hall, Jr., Commissioner of Labor The Department of Labor and Industry publishes an Annual Report containing a review and statistics of industry in Virginia. One section is devoted to the statistics and a review of mining and quarrying during the year The latest or 34th Report (1930) will be sent to those with a particular interest in these matters

Jan 1, 1933

A cooperative service for engineers and their employers under the direction of the American Institute of Mining and Metallurgical Engineers; American Society of Civil Engineers; American Society of Mechanical Engineers; and American Institute of Electrical Engineers, and with the cooperation in Chicago of the Western Society of Engineers, and in San Francisco of the California Section of the American Chemical Society and the Engineers Club of San Francisco. For information as to men available or positions open, address the nearest office.

Jan 1, 1923