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Jan 1, 1938

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Jan 1, 1938

Rum Jungle -deep in the unlovely Australian bush - is the scene of one of the world's most promising uranium finds.

Jan 5, 1953

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

Jan 1, 1942

By J. S. Billheimer, H. H. Reamer, B. H. Sage

Jan 1, 1949

Climax Molybdenum Co. has contracted with the Government to operate its property at Climax, Colo. at maximum capacity for five years. Substitution of synthetic lubricants, polyalkylene glycols and their derivatives, for petroleum products in certain industrial applications is yielding substantial savings in production costs and improved operation of mechanical equipment.

Jan 1, 1951

By H. H. Reamer, B. H. Sage, J. S. Billheimer

Jan 1, 1949

For the year ending February, 1919 PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. PAST PRESIDENTS L. D. RICKETTS, NEW YORK, N. Y. PHILIP N. MOORE ST. Louis, Mo. FIRST VICE-PRESIDENT C. W. GOODALE, BUTTE, MONT. TREASURER GEORGE C. STONE, NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON NEW YORK, N. Y.

Jan 11, 1918

By W. S. Ayres

The protractor here to be described embodies several important improvements that have been suggested by the use of other protractors and by observing the errors occurring in practice with them. It is more particularly an improvement

Jan 1, 1896

For the year ending February, 1919 PRESIDENT SIDNEY .J. JENNINGS NEW YORK, N. Y. PAST PRESIDENTS L. D. RICKETTS, NEW YORK, N. Y. PHILIP N. MOORE, ST.Louis, Mo. FIRST VICE-PRESIDENT C. W. GOODALE BUTTE, MONT. TREASURER GEORGE C. STONE, : NEW YORK, N. Y. SECRETARY' EMERITUS ROSSITER W. RAYMOND NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 10, 1918

By William E. Ford, Edward Salisbury Dana

WheweUite. Calcium oxalste CaCz04.Hz0. In small colorless monoclinic crystals. Optically +. j3 = 1.555. From haxony, with coal; also from Bohemia, and Akace. Oxammite. Ammonium oxelate, (N&)rC20r.2HzO. From the guano of the Gudape Isbnds, Peru.

Jan 1, 1922

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

CENTRAL EMERGENCY COMMITTEE Chairman, MRS. H. N. SPICER As no further requisition will be Made for knitted garments, for the boys of the 27th Engineers, all completed garments and wool have been collected and returned to Mr. W. R. Ingalls, and the activities of the

Jan 12, 1918

Jan 1, 1955

[Allen-Sherman-Hoff Pump Co Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co 625,654 Compton Advertising, Inc. American Cyanamid Co 638,639 James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co 642 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co * Kenyon & Eckhardt Inc. Carlon Products Corp * Penn and Hamaker, Inc. Chicago Pneumatic Tool Co 627 G. M. Basford Co.]

Jan 1, 1952

By Jack White

This paper gives details of the results of careful testing carried out on two types of ball mills, conical trunnion overflow and cylindrical grate discharge, on identical ore. The object of the test work was to determine which ball mill was the most economical to install for future extensions to the Mufulira concentrator.

Jan 1, 1950

For the year ending February, 1918 PRESIDENT PHILIP N. MOORE ST. Louis, Mo. PAST PRESIDENTS WILLIAM L. SAUNDERS NEW YORK, N. Y. L. D. RICKETTS NEW YORK, N. Y. FIRST VICE-PRESIDENT SIDNEY J. JENNINGS NEW YORK, N. Y. TREASURER GEORGE C. STONE, NEW YORK, N. Y. SECRETARY EMERITUS ROSSITER W. RAYMOND, NEW YORK, N. Y. SECRETARY BRADLEY STOUGHTON, NEW YORK, N. Y.

Jan 5, 1917