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  • AIME
    John Fritz Medal to Cross the Ocean

    By AIME AIME

    THE John Fritz Medal Board of Award, at its annual meeting on Jan. 21, 1921, awarded its gold medal and diploma to Sir Robert Hadfield for the invention of manganese steel. On June 1, announcement was

    Jan 1, 1921

  • AIME
    American Engineers in England and France

    By John Fritz

    MEMBERS of the American engineering societies who were in London and Paris during the last days of. June and early July were present at many interesting gatherings. The official delegates of the Found

    Jan 1, 1921

  • AIME
    Registration of Engineers

    By B. B. Gottsberger

    IT SEEMS strange that so many years after the pas¬sage of the first acts requiring registration or licensing of engineers, so few members of the mining branch of the profession are aware of what has t

    Jan 1, 1921

  • AIME
    Position of Silver under the Pittman Act

    By Cornelius F. Kelley

    DURING the war, events moved with unprecedented rapidity. Situations, industrial, economic and financial, arose over night that stressed to the uttermost the ingenuity and ability of those who dealt w

    Jan 1, 1921

  • AIME
    Licensing of Mining Engineers

    By AIME AIME

    NINETEEN states have on their statutes laws requiring engineers practicing within their borders to be licensed sixteen other states have such laws under consideration. While mining engineers are not s

    Jan 1, 1921

  • AIME
    Commercial Production of Electrolytic Iron

    By C. P. PERIN, DONALD BELCHER

    T HE production of pure iron by electrolyzing solutions of its salts has been the object of scientific curiosity and research for about 80 years; and in the last two decades a realization of the unusu

    Jan 1, 1921

  • AIME
    Contents

    Jan 1, 1921

  • AIME
    Problems Fundamental to Mining Enterprise In the Far East

    By H. Foster Bain

    Steel for any large structure must be imported, the Hanyang works being entirely unable to supply local demand. The United States Steel Products Co. has warehouses and small stocks at Shanghai and at

    Jan 1, 1921

  • AIME
    Some Phases of the Economic Outlook

    By W. R. Ingalls

    THE paramount subject of interest and concern at the present time is the readjustment in economic conditions following the cataclysmic disturbance produced by the war and the misconceptions leading to

    Jan 1, 1921

  • AIME
    Tonopah Extension Assay Office

    By GEORGE L. CHRISTIAN

    T HE Tonopah Extension assay office is a two- story, concrete structure on a solid foundation of andesite, situated about 100 yd. from the company's mill, so that it will not be affected by the s

    Jan 1, 1921

  • AIME
    Crushing, Grinding, and Agitation of Tonopah Ores

    By H. A. BURK

    THE ores of the Tonopah, district are hard, compact and' highly siliceous. They contain from .1 to 2, per cent. of sulfide material, of which argentite is the valuable mineral; occasionally pyrar

    Jan 1, 1921

  • AIME
    Institute Reports on Industrial Relations

    By SIDNEY ROLLE

    ACURSORY glance through the literature on the subject reveals that the ablest minds in the land are devoting themselves to the great question of labor, of which employment is one of the fundamentals.

    Jan 1, 1921

  • AIME
    America Engineering Council

    By AIME AIME

    A REGULAR meeting of the Executive Board 'of American Engineering Council was held in the Onondaga Hotel, Syracuse, N.. Y., Feb. 14, 1921, with the president, Herbert Hoover, presiding. Reports o

    Jan 1, 1921

  • AIME
    Why the Metric System Should not be Adopted

    By W. R. Ingalls

    THE propaganda in favor of the adoption of the metric system of weights and measures in the United States is founded upon the idea of compulsory adoption. There can be no argument about this, for the

    Jan 1, 1921

  • AIME
    Operating Conditions at Tonopah Extension Mine

    By JOHN LANE DYNAN

    HE Tonopah Extension property consisted originally of three claims, with an area of 38 acres. In 1902 a shaft, now known as No. 1, was started near the eastern end of the property, close to the Tonopa

    Jan 1, 1921

  • AIME
    Stereoscopic Pictures with a Kodak

    By W. Spencer Hutchinson

    THE purpose of this account is to introduce to other engineers and geologists who use photography a means of interpreting topographic and geologic structure with the stereoscope. Anyone who finds this

    Jan 1, 1921

  • NIOSH
    Bulletin 206 Petroleum Laws of All America

    By J. W. Thompson

    Be if enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That deposits of coal, phosphate, sodium, oil, oil shale, or gas, and lands containing s

    Jan 1, 1921

  • AIME
    The Secretary's Message

    By AIME AIME

    T HE new Secretary of the Institute has been asked to address the members through the medium of MINING .AND METALLURGY, and it is perhaps well that he should do this at the first opportunity after his

    Jan 1, 1921

  • AIME
    First Year's Achievements of Federated American Engineering Societies

    By AIME AIME

    IN A STATEMENT summarizing general conditions in the Federated American Engineering Societies, the executive secretary, L. W. Wallace, expresses the belief that the Federation has made substantial pro

    Jan 1, 1921

  • AIME
    West Virginia Coal Miners' Troubles

    By Carl Scholz

    FROM the engineer's standpoint, labor organizations are of interest in so far as they 'affect efficiency, maximum production and unit cost, and in this respect the earlier labor organization

    Jan 1, 1921