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  • AIME
    Forgeability Of Iron-Nickel Alloys

    By T. D. Yensen

    IN the investigation of the magnetic properties of iron-nickel alloys,1 it was found necessary in order to make the alloys forgeable, or malleable, to add small quantities of some other element. Iron

    Jan 1, 1920

  • NIOSH
    Mining And Preparing Domestic Graphite For Crucible Use. - Prefatory Statement.

    By George D. Dub

    The Bureau of Mines, in connection with the investigations of war minerals it conducted, examined the graphite deposits of this country, studied the methods of mining and preparation used, and sought

    Jan 1, 1920

  • AIME
    New York Paper - Principles of Mining Taxation (with Discussion)

    By Thos. W. Gibson

    The object of taxation is the raising of a revenue. Unless a tax accomplishes this, it is a failure. The right to take for public purposes a part of the moneys obtained from the carrying on of private

    Jan 1, 1920

  • AIME
    Chicago Paper - Mining Methods of Alaska Gastineau Mining Co.

    By G. T. Jackson

    The Alaska Gastineau Mining Co.'s mine is located at Perseverance, about 4 mi. east of Juheau, Alaska. Its property consists of a group of claims, the lode system traversing these claims for a di

    Jan 1, 1920

  • AIME
    Colorado Paper - Hand-sorting of Mill Feed (with Discussion)

    By R. S. Handy

    Does hand-sorting of mill feed pay? The fact that the practice is so general would seem to indicate that there must be good reasons for following it; yet, to my mind, the advantage in many cases is do

    Jan 1, 1920

  • AIME
    New York Paper - Microstructure of Iron Deposited by Electric Arc Welding (with Discussion)

    By G. F. Comstock

    These notes should be considered as a further discussion of Mr. S. W. Miller's paper on "Some Structures in Steel Fusion Welds."l In that paper and the resulting discussion, several conflicting o

    Jan 1, 1920

  • SME
    The Iron Ranges of Minnesota

    By Duluth Engineers' Club, Engineers' Club of Northern Minnesota

    "There are three distinct producing iron ranges in Minnesota, the Vermilion, Mesabi and Cuyuna. In trend the Vermilion and Mesabi are approximately parallel (E.N.E. and W.S.W.) and about fifteen to tw

    Jan 1, 1920

  • AIME
    Discussion - Principles of Mining Taxation Discussion of the paper of T. W. Gibson, continued from page 648

    R. B. BrinSmade, Ixmiquilpan, Hgo., Mexico (written discussion*).—While agreeing with Mr. Gibson that his net-profit tax is the fairest and best for mines, I believe that the tax he describes can be m

    Jan 1, 1920

  • AIME
    Chicago Paper - Sulfur in the Coking Process (with Discussion)

    By S. W. Parr

    FRom a study of sulfur with reference to its specific combination in coal, published as University of Illinois Bulletin No. 111, 1919, it is now possible to determine the various forms of this constit

    Jan 1, 1920

  • AIME
    Water Displacement in Oil and Gas Sands

    By Roswell Johnson

    ALL strata not yielding oil or gas in commercial quantities or a corresponding amount of water may be called dry in a wide sense. In petroleum geology,, however, we may exclude all sands of too low or

    Jan 1, 1920

  • AIME
    Biographical Notice - Charles R. Van Hise

    The sudden and untimely death of Dr. Charles R. Van Hise, late' president of the University of Wisconsin, was one of the greatest losses, not only to the educational world and science of geology,

    Jan 1, 1920

  • AIME
    Chicago Paper - Blast-furnace Refractories (with Discussion)

    By Raymond M. Howe

    Some time ago, a prominent engineer asked a representative of the firebrick industry to prepare a comprehensive paper on blast-furnace refractories. It was to have been the purpose of this paper to ga

    Jan 1, 1920

  • AIME
    New York Paper - The Contract Wage System for Mines (with Discussion)

    By A. K. Knickerbocker

    Practically all underground work on the Minnesota iron ranges is done by miners working on a so-called contract wage system. This system, while it has certain advantages over the straight day's p

    Jan 1, 1920

  • AIME
    Chicago Paper - Correlation of Formations of Huronian Group in Michigan (with Discussion)

    By R. C. Allen

    About four years ago the writer proposed a revision of the correlation of the Huronian formations in Michigan, and noted the bearing of the question on the correlations of the Huronian rocks in Wiscon

    Jan 1, 1920

  • AIME
    French Post-war Mineral Resources

    By AIME AIME

    BECAUSE of its unequalled skill, your country in- creased its production until, in 1913, it produced 40 per cent. of the world's consumption of coal, iron ore, and cast iron; 45 per cent. of the

    Jan 1, 1920

  • AIME
    State Registering and Licensing of Engineers

    By T. L. CONDRON

    DURING the past fourteen months, this committee has had under consideration and study the subject of the licensing or registration of engineers. The fifteen members of the committee as appointed by Co

    Jan 1, 1920

  • AIME
    Improvement of Industrial Relations

    By George C. Stone

    AS most of you probably know, Australia has had many strikes. The two places that had the worst reputation were the Broken Hill mines and Port Pirie, where the smelter was located. About four or five

    Jan 1, 1920

  • AIME
    Story of the Organization of the Federated American Engineering Societies

    By AIME AIME

    THE outstanding event of the past month has been the conference in Washington of the representatives of about seventy-five of the leading national, regional and local engineering and allied technical

    Jan 1, 1920

  • AIME
    Training and Achievement of the Russian Engineer

    By AIME AIME

    THE value to the engineering profession of a liaison between the engineering societies of Russia and America, through Engineering Council, was the subject of a meeting in the Engineering Societies Bui

    Jan 1, 1920

  • AIME
    The Russian Cooperative Movement and its Relation to Capital and Labor

    By Walter G. Perkins

    T SEEMS almost sheer presumption to attempt' to discuss Russia in its present chaotic political and economic condition, and were it not that at least two certain absolute factors are continuously

    Jan 1, 1920