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  • AIME
    New York Paper - Flaky and Woody Fractures in Nickel-steel Gun Forgings (with Discussion)

    By C. Y. Clayton

    In connection with certain cooperative work carried on between the Ordnance Department of the U. S. Army, the U. S. Bureau of Mines, and the U. S. Geological Survey during the year 1918, it was the wr

    Jan 1, 1920

  • AIME
    Scranton Paper - The Animikie Rocks and their Vein-Phenomena, as Shown at Duncan Mine, Lake Superior

    By W. M. Courtis

    In compliance with the suggestion in Mr. Emmons's paper on the Genesis of Certain Ore-Deposits (Trans. xv., 125), that facts should be accumulated for study and future compilation, I wish to put

    Jan 1, 1887

  • AIME
    A Plea for a United States Court of Patent Appeals

    By KENNETH W. GREENAWALT, William Greenawalt

    THE patent system, through which an inventor is given exclusive right to his invention for a limited period as a reward for his industry and in reimbursement of his expenditures, originated in England

    Jan 1, 1930

  • AIME
  • AIME
    Annual Meeting, New York

    THE opening session was held on Tuesday evening, February 17th, in the house of the American Society of Civil Engineers. The President of the Institute, Mr. E. B. Coxe, after a few introductory rem

    Jan 1, 1880

  • AIME
    Constitution of High-purity Iron-carbon Alloy

    By Robert Mehl

    THE purpose of this investigation was to prepare high-purity iron-carbon alloys, to determine as precisely as possible the A3(GOS), the Acm(SE), and the A1(PSK) transformation temperatures in the meta

    Jan 1, 1937

  • AIME
    World Developments in Electrolytic Zinc

    By Arthur Zentner

    THE essentials of the electrolytic zinc process, as now used in commercial plants, date back to work done by Letrange in 1881. He used sulfuric acid to leach roasted sulfide and ,oxide ores, purified

    Jan 1, 1929

  • AIME
    San Francisco Paper - Biographical Notice of Samuel Franklin Emmons

    By George F. Becker

    A Nere record of Emmons's professional career would very inadequately represent the man. That he was eminent mc know, and our successors will realize in due time; but they must depend upon us for

    Jan 1, 1912

  • AIME
    Student Employment Problem

    By KENNETH CROPPER

    USUALLY we forget about the things which move along smoothly. There are no causes for worry when there are no troubles. But when troubles arise we must put forth some thought and effort to alleviate t

    Jan 1, 1931

  • AIME
    New York Paper - Observations on the Occurrence of Iron and Silicon in Aluminum (with Discussion)

    By E. H. Dix

    All commercial aluminum contains small percentages of copper, iron, and silicon as unavoidable impurities. The purest metal obtainable commercially, special grade high purity ingot, contains a maximum

    Jan 1, 1923

  • AIME
    New York Paper - Observations on the Occurrence of Iron and Silicon in Aluminum (with Discussion)

    By E. H. Dix

    All commercial aluminum contains small percentages of copper, iron, and silicon as unavoidable impurities. The purest metal obtainable commercially, special grade high purity ingot, contains a maximum

    Jan 1, 1923

  • AIME
    Economic Survey of Bituminous Coal

    By W. A. Forbes

    OUR present-day geological surveys show that 36 of our States are underlain with bituminous coal, covering a total area of 496,709 square miles. The North American continent possesses 69 per cent of t

    Jan 1, 1932

  • AIME
    Capital Requirements of Crude Oil Production - Sharp Upward Trend Seen Both in Total Costs and Per Barrel Produced

    By Joseph E. Pogue

    FOR a number of years the petroleum department of The Chase National Bank has been making a continuing study of the financial aspects of thirty oil companies. (See Pogue and Coqueron, "Financial Analy

    Jan 1, 1946

  • AIME
    Dewatering And Thermal Drying

    By Orville R. Lyons

    THE removal of moisture from coal has been a coal-preparation problem ever since the first wet-washing preparation plant was placed in operation. Today, when most of the coal produced in the United St

    Jan 1, 1950

  • AIME
    Annual Business Meeting

    By AIME AIME

    PRESIDENT BASSETT'S gavel called the Annual Business Meeting to order shortly after 10 a. m. on Tuesday. On motion of Eugene McAuliffe, reading of the minutes was dispensed with and Mr. Bassett r

    Jan 1, 1931

  • AIME
    Discussion - Of Mr. Barrows' Paper on the Use of High Percentages of Mesabi Iron-Ores in Coke Blast-Furnace Practice (see p. 140)

    F. E. Bachman, Port Henry, N. T. (communication to the Secretary*):—In discussing Mr. o.o.Laudig's paper, the Action of Blast-Furnace Gases Upon Various Iron-Ores,' I took the ground that Me

    Jan 1, 1905

  • AIME
    Engineer's Opportunity in Public Service

    By HERRBERT HOOVER

    I AM glad to join with my fellow-members in this celebration of the fiftieth anniversary of the founding of the American Society of Mechanical Engineers. It would be a difficult task to measure the bl

    Jan 1, 1930

  • AIME
    The Place of Coal in the Steel Plant Past, Present, and Future

    By H. V. Flagg

    OPERATION of a modern steel plant presents a curious anomaly. Large-scale operations, in which large volumes or heavy weights of materials are involved, are not usually subject to close control or nar

    Jan 1, 1940

  • AIME
    Dust Capture Performance Of A Water Exhaust Conditioner For Roof Bolting Machines (ME)

    By T. W. Beck

    Roof bolter occupations in underground coal mines continue to experience overexposure to respirable dust. One potential source of dust in roof bolting operations is the exhaust from the roof bolter du

    Jan 1, 2012

  • AIME
    Advantages of Butane Over Gasoline and Steam Engines in the Oil Fields

    By L. R. Smith

    BUTANE OPERATED drilling rigs are a recent innovation in the petroleum industry, so extensive data on their operation are not available. However, experience indicates that, within limitations, as much

    Jan 1, 1937