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  • AIME
    Safety In Mining At The Andes Copper Mining Company's Property, Potrerillos, Chile

    By C. M. Brinckerhoff

    Safety work in mining at the Andes Copper Mining Company, Potrerillos, Chile, is divided into three parts: (1) accident prevention, (2) fire prevention and protection, and (3) silicosis prevention and

    Jan 1, 1949

  • AIME
    60. Copper-Molybdenum Mineralization at Mineral Park, Mohave County, Arizona

    By D. M. Clippinger, J. J. Eidel, J. E. Frost

    At Ithaca Peak, one of three peaks situated on Duval Corporation's Mineral Park property, a 'Single pulse of quartz monzonite magma intruded the isoclinally folded Precambrian Cerbat complex consistin

    Jan 1, 1968

  • AIME
    Deformation Lines In Cold-Rolled Copper And Its Binary Alpha Solid Solution Alloys With Aluminum, Nickel And Zinc

    By H. P. Moore, R. W. Fenn, Harold Margolin, W. R. Hibbard

    DEFORMATION lines, also called etch markings or strain markings, are noneffaceable lines developed in individual grains by etching a metal specimen which has been cold worked sufficiently to cause ato

    Jan 1, 1948

  • AIME
  • AIME
    Rare Metal Developments

    By Donald M. Liddell, G. C. RIDDELL

    THE cosmic ray continues to engage the attention of the physicists, and according to Millikan and Compton, experiments of the past summer indicate that these rays must come from interstellar space, bu

    Jan 1, 1932

  • AIME
    Nonmetallic Industries

    By Samuel H. Dolbear

    NOT WITHSTANDING the extremely low ebb of business activity, the nonmetallic industries have fared somewhat better than some other branches of mining. The average price level in nonmetallics, although

    Jan 1, 1933

  • AIME
    Beneficiation of Nonmetallics

    By Paul M. Tyler

    THE winning of metals from Nature has been advanced to a degree of efficiency that commands admiration even in this Machine Age. Economy of human effort underground, in surface plants, and in treatmen

    Jan 1, 1935

  • AIME
    Water-Chief Problem in Anthracite Mining

    By S. H. Ash

    IN no part of the world other than a small area in Pennsylvania is anthracite mining an industry of major magnitude. As the deposits of anthracite in the United States are limited virtually to Pennsyl

    Jan 1, 1941

  • AIME
    Growth of Metallic Crystals

    By Cecil H. Desch

    THE progress of metallurgical practice and the demands made by the engineering industry on our foundries and mills have made the crystalline structure of metals a subject of far more than academic int

    Jan 1, 1927

  • AIME
    New York Paper - Path of Rupture in Steel Fusion Welds (with Discussion)

    By S. W. Miller

    Most of the steel welding done at the present time is in material containing not over 0.3 per cent. carbon, and the tests here described were in similar material. These tests are not as yet completed

    Jan 1, 1920

  • AIME
    Mineral Beneficiation: A Perspective

    By Nathaniel Arbiter

    There is a history in all men's lives, Figuring the nature of the times deceas'd, The which observ'd, a man may prophesy, With a near aim, of the main chance of things. W. Shake

    Jan 1, 1971

  • AIME
    New York Paper - Basic Refractories for the Open Hearth (with Discussion)

    By R. M. Howe, J. Spotts McDowell

    Preparation and Use.—Magnesite is an important refractory in open-hearth, heating, and electric furnaces for steel-making and in many of those employed in the metallurgy of copper and lead. It is sold

    Jan 1, 1920

  • AIME
    Announcements.

    By AIME AIME

    Award of a Gold Medal : to the Institute. The Jury of Awards of the Jamestown Ter-Centennial Exposition has conferred a gold medal, the highest distinction within its power,. on the American Institut

    Jan 7, 1908

  • AIME
    Liquid Oxygen Explosive In Strip Coal Mining (7a62dced-c96a-4912-84d4-47ed1cc6a3d2)

    By George Holderer

    THE Enos Coal Mining Co. owns an area underlaid by coal, of approximately 5000 acres. This property is situated 9 miles from Oakland City, in the southern part of Indiana. The mine has been in operati

    Jan 1, 1927

  • AIME
    Bismuth (eeeee876-a123-45df-9a54-c7a982ed032d)

    By Walter C, Smith

    Metallic bismuth was known in the Middle Ages and the name is supposed to come from the German Wismut. The origin of the German name is uncertain. References to bismuth are found in the writings of Va

    Jan 1, 1953

  • AIME
    Ceramic Materials Other Than Clays Abundant in California

    By B. M. Burchfiel

    CALIFORNIA possesses such an abundance of ceramic materials other than clays, that she is quite independent of other states and foreign countries so far as these materials are concerned. Certain users

    Jan 1, 1936

  • AIME
    Development And Operation Of Sulphur Deposits In The Louisiana Marshes

    By C. O. Lee, Z. W. Bartlett, R. H. Feierabend

    DESPITE the fact that American brimstone production has increased 2 ½ times since the prewar period 1935-1939, the demand for sulphur exceeds the supply. To alleviate this situation efforts are being

    Jan 1, 1952

  • AIME
    Plentiful Supply of Nonmetallic Minerals Aids War Effort

    By Paul M. Tyler

    FOR the same reason that water is not missed until the well runs dry, the roles of many industrial minerals in wartime are often overlooked. In contrast to the growing shortages of many metals, our su

    Jan 1, 1942

  • AIME
    Concentrating Gold in Copper Converting

    By G. M. Lee

    SEVERAL improvements have been made in Granby smelting practice since the company abandoned the direct smelting of raw ore in the blast furnaces in June, 1927, in favor of sintered concentrate. These

    Jan 1, 1935

  • AIME
    Colorado Paper - Discussion of Mr. Laudig's paper on Action of Blast-Furnace Gases Upon Iron- Ores (see p. 269)

    F. E. BACHMAN, Buffalo, N. Y. (Communication to the Secretary) : The investigation so fully described by Mr. Laudig was undertaken with the idea of determining if it is possible to learn by expesiment

    Jan 1, 1897