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  • AIME
    Coal Mining Faces Transformation

    By John V. Beall

    During the last quarter of 1948, two new machines, which may revolutionize the coal mining industry, made their first public appearance within two months of each other. Both are designed to mine and l

    Jan 1, 1949

  • AIME
    Impressions of the - Rand : Geologic and Economic

    By AIME AIME

    L. C. GRATON, professor of geology in Harvard University, addressed the New York Section on April 24 on-his impressions of the Rand. His beautifully clear and concise address was delivered without not

    Jan 1, 1929

  • AIME
    A New Electric Miners? Lamp.

    By D. B. RUSHJIORE

    (New York -Meeting, February, 1912.) TORCHES were used by the early Romans for mine-lighting, and these were followed by open lamps or earthen jars filled with tallow or oil, and later by candles. In

    Jul 1, 1912

  • AIME
    Six Years' Experience Of Prepaid Medical Care For The Employees Of The Hollinger Mine

    By R. P. Smith

    IN 1937 the employees of the Hollinger Consolidated Gold Mines Ltd., at Timmins, Ont., Canada, approached organized medicine for a plan to provide themselves and their families with a complete medical

    Jan 1, 1944

  • AIME
    Industrial Minerals - Progress in Materials for House Insulation a Feature of the Year

    By Oliver Bowles

    EACH year the broad diversified field of industrial minerals offers a panorama of new and interesting developments that not only concern the welfare of the industries themselves but have a more or les

    Jan 1, 1937

  • AIME
    A Chemical Method of Determining Tonnages in Mill Circuits

    By A. J. Weinig

    NEED for some simple method of determining tonnages in mill circuits has always been felt by operators and consultants alike. To meet this demand the following method was evolved and has been found ac

    Jan 1, 1933

  • AIME
    Iran-Seven Year Plan for Recovery

    By John R. Lotz

    DEVELOPMENTS in Iran currently arousing interest in a considerable portion of the world, particularly on the part. of that country's immediate neighbor on the North and in our own country, an ins

    Jan 1, 1950

  • AIME
    Institute of Metals Division - Effect of Grain Boundary Migration on Creep Ductility (TN)

    By B. Wilshire, P. W. Davis

    It has been shown that grain-boundary migration during high-temperature creep can reduce or even prevent the formation of intercrystalline voids, giving a considerable increase in ductility.' A s

    Jan 1, 1962

  • AIME
    Mining - Sinking Two Shafts at the New Beatrix Mine by Drilling

    By J. M. Weehuizen

    Complete details are given of the drilling method by which two shafts were sunk at the new Beatm'x mine of Staatsmijnen in the Netherlands. The nature of the rock strata in the Dutch mining distr

    Jan 1, 1961

  • AIME
    Investigations into the Safe Working Span in Room and Pillar Stopes

    By N. M. Raju, B. Singh

    The paper seeks to present the results of experimentation in room and pillar stopes with different ground conditions to determine the safe working span. In the experimental stopes, ground movement was

    Jan 1, 1983

  • AIME
    Nine Million Hadfield Manganese Steel Helmets

    By AIME AIME

    N OW THAT the war is over it is possible to release data and correct some erroneous statements and impressions relative to the use of manganese-steel armor and helmets, which heretofore have been care

    Jan 1, 1920

  • AIME
    Value of the Mines of the United States

    By W. R. Ingalls

    WHAT proportion of the national wealth is represented by' the producing mines of the country?' Or by the- mining and metallurgical industry-as a whole, for it is impossible to make-an econom

    Jan 1, 1921

  • AIME
    Australia's Slow Entry Into The Nuclear Age

    By Eugene Guccione

    Australia could eventually become a major world supplier of uranium oxide-but how quickly that happens depends on the outcome of a highly complex and emotional battle among different special interests

    Jan 1, 1977

  • AIME
    Necrology (f4d26498-e6b2-4315-840a-ee44a01b6677)

    The following is a list of members who died in 1928. It is compiled from reports to the Secretary's office. Biographical sketches published in Mining and Metallurgy are indicated in the

    Jan 1, 1929

  • AIME
    Effect Of Humidity On Mine-Explosions.

    By Carl Scholz

    DURING November And December, 1907, Four Serious Mine-explosions Occurred In The Appalachian Coal-Field, Which Resulted In The Loss Of Nearly A Thousand Lives And Caused An Enormous . Damage To Proper

    Jan 7, 1908

  • AIME
    Consolidation Coal Co. Finds - Thorough Study of Accidents Necessary for Safe Mine Operation

    By F. E. Bedale

    STUDY of several severe mine explosions that occurred during the winter of 1907 led to the belief that coal dust was a definite explosion hazard. The Consolidation Coal Co. was a pioneer in the early

    Jan 1, 1938

  • AIME
    Economic Notes on Steel-Making Alloys

    By Paul M. Tyler

    OF THE 92 elements generally accepted by chemists as constituting the primary building blocks of matter, all but the very rarest have been investigated with a view to employing them in steel manufactu

    Jan 1, 1932

  • AIME
    Technical Papers and Notes - Institute of Metals Division - The Measurement of Grain Contiguity in Two-Phase Alloys

    By J. Gurland

    A method of measuring the degree of contact between grains of 1 phase in multiphase alloys is derived. It is shown that the number and the areas of contacts between grains can be determined by metal

    Jan 1, 1959

  • AIME
    Choice of Geophysical Methods

    By FRANK RIEBERS

    IN DISCUSSING the selection of a geophysical method, much of what the writer will say is applicable to any of the various methods and to their use in prospecting, whether for oil or for other minerals

    Jan 1, 1930

  • AIME
    Longwall Subsidence Over The Pittsburgh No. 8 Coal On North American Coal Corporation's Eastern Ohio Properties

    By Michael S. Roscoe

    In order to more accurately predict longwall surface subsidence over the Pittsburgh No. 8 Coal in Eastern Ohio, North American Coal Corporation's Quarto Mining Company undertook or participated in