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Established as a Division January 15, 1932 John C Calhoun, Jr, Chairman O Cutler Shepard, Vice-Chairman J R Van Pelt, Jr , Past Chairman Thomas A Read, Secretary-Treasurer Dept of Mining and Metallurgical Engrg University of Illinois Urbana, Illinois

Jan 1, 1956

Fourteen members of the Board and officers nf6re present; and seven guests. Prof. E. K. Judd was appointed Managing Editor of the Institute's publications.

Jan 11, 1917

Jan 1, 1935

Jan 1, 1935

Jan 1, 1935

Jan 1, 1935

Jan 1, 1936

Map

Jan 1, 1937

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

The 116th Meeting of the Institute is being held in New York as this Bulletin goes to press. A full account of the proceedings, together with a report of the discussion of technical papers, will be printed in the April Bulletin.

Jan 3, 1918

By W. P. Blake

Wm. P. Blake, New Haven, Conn. (Communication to the Secretary, June, 1889): It is gratifying to find that Prof. Carpenter in his paper sustains the accuracy of my original determination of

Jan 1, 1889

Recently the Colorado Engineering Council was formed "to coördinate the work of various technical, scientific, and engineering organizations, promote the welfare and professional standing of their members, and foster a more general recognition of the engineer in civic matters." The membership consists of local associations of members of the national engineering societies and other local engineering, scientific, or technical associations.

Jan 8, 1919

Congress has authorized the President to control the supply and distribution of the following: Antimony, arsenic, ball clay, bismuth, bromine, cerium, chalk, chromium, cobalt, corundum, emery, fluorspar, ferrosilicon, fullers' earth, graphite, grinding pebbles, iridium, kaolin, magnesite, manganese, mercury, mica, molybdenum, osmium, sodium, platinum, palladium, paper clay, phosphorus, potassium, pyrites, radium,

Jan 12, 1918

Jan 1, 1936

Jan 1, 1935

Mr. Address Member ,is hereby proposed by the undersigned; as a Associate Junior Member of the American Institute of Mining Engineers. Signatures of three Members or Associates. Place of birth Year of birth Education, when, where and how acquired, with degrees, if any. A technical education is not requisite for membership. Dates Please give record of experience on following page with dates; for example, in the form used by "Who's Who In America" and similar publications.

Jan 5, 1917

By H. M. Chance

HAVING an opportunity of exhibiting specimens of .coal from two beds in this field to the members of the Institute, I desire only to

Jan 1, 1885

By U. Runolinna, R. T. Hukki

Preliminary separation of precious metals by flotation can offer a simplification of the conventional method of treatment of anode slimes. Laboratory flotation experiments show that rich gold and silver concentrate can be obtained with excellent recoveries.

Jan 11, 1950

SINCE I have begun to tell you of the semiminerals that serve as colors, I wish to tell you of azure and green azure, so that you may know what they are. I tell you first that there are two kinds of azure, one called ultramarine blue by painters, and the other German blue. Ultra-

Jan 1, 1942

The papers that appear on pages 326 through 367 were presented at two joint meetings of the Mineral Industry Education Division, Geophysics Committee, the American Geophysical Union and the Committee on College Curricula of the American Association of Petroleum Geologists, at the A.I.M.E. meeting in New York on Feb. 17 and 18, 1941. At the first meeting, the Mining Geology Committee, the Society of Economic Geologists and the Committee on Applications of Geology of the ilmerican Association of Petroleum Geologists also took part.

Jan 1, 1946