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  • AIME
    Physical Properties Of Certain Lead-Zinc Bronzes

    By Homer Staley

    THE casting alloy 88 copper, 10 tin, 2 zinc, commonly known in England as Admiralty metal and in this country as Government bronze, gun metal, or Naval Department composition G, has, at its best, many

    Jan 9, 1919

  • AIME
    Theory And Accuracy In Optical Pyrometry With Particular Reference To The Disappearing-Filament Type

    By W. E. Forsythe

    WHEN measuring ordinary temperatures, the instrument is generally placed in very close contact with the body the temperature of which is desired. However, if the temperature of the source is continual

    Jan 9, 1919

  • AIME
    A Hot-Wire Anemometer With Thermocouple

    By T. S. Taylor

    THE development of the linear hot-wire anemometer has been chiefly clue to the efforts of L. V. Kings1 and A. E. Kennelly and H. S. Sanborn.2 The anemometers used by these investigators consisted esse

    Jan 9, 1919

  • AIME
    Fundamental Laws Of Pyrometry

    By C. E. Mendenhall

    THE word temperature has both a colloquial and a technical use. For everyday purposes of abusing the weather man, no very exact definition is necessary, but for the purpose of giving a simple summary

    Jan 9, 1919

  • AIME
    Porcelain for Pyrometric Purposes

    By Frank Riddle

    THE life of thermocouples is governed, to a large extent, by the protection they receive when in use; particularly when the temperatures being measured are high and the products of combustion are redu

    Jan 9, 1919

  • AIME
    Treating Antimony Ores

    By George Hulst

    PRIOR to 1914, there was little demand for antimony in this country; its use was limited almost entirely to the manufacture of type and bearing metals. Practically no antimony ore was mined here, the

    Jan 9, 1919

  • AIME
    Chemical And Electrochemical Problems Involved In New Cornelia Copper Co.'S Leaching Process

    By Henry Mackay

    THE interesting paper recently submitted by Messrs. Tobelmann and Potter' shows that chemical problems have developed which are of great interest in this new and important branch of metallurgy. T

    Jan 9, 1919

  • AIME
    Andrew Carnegie-America's Best-Known Ironmaster And Philanthropist

    Andrew Carnegie, America's best-known ironmaster and philanthropist, died at his home at Lenox, Mass., Monday, Aug. 11, after a three days' illness. A pioneer in the steel industry, he intro

    Jan 9, 1919

  • AIME
    Pyrometry And Steel Manufacture

    By A. H. Miller

    TEMPERATURE considerations are of prime importance in the manufacture of steel products-front the time the metal is produced in the melting furnace, where the chemical reactions have a direct dependen

    Jan 8, 1919

  • AIME
    Lignite In The Northwest

    An extended investigation by the chief engineer of the Bureau of Mines shows that North Dakota has immense beds of lignite. War conditions have stimulated the use of North Dakota lignite until it is n

    Jan 8, 1919

  • AIME
    Mining On The Public Domain

    The mining of coal, phosphate, oil, gas, and sodium on the public lands of the United States has, during a long period of years, been prevented by the failure of Congress to legislate, notwithstanding

    Jan 8, 1919

  • AIME
    Membership (361c29d1-328a-4c71-a66f-834161303b88)

    NEW MEMBERS The following list comprises the names of those persons who became members during the period June 10, 1919, to July 10, 1919. ANDERSON, JOHN EDWARD, Min. Engr., Lehigh Valley Coal Co.,

    Jan 8, 1919

  • AIME
    Psychiatric Social Works

    On June 15, Dr. E. E. Southard gave the following report to the Advisory Committee on Industrial Mental Hygiene of the. Engineering Foundation. Psychiatric social work, a new specialty in social work

    Jan 8, 1919

  • AIME
    Engineers Available (7582e630-b173-4e39-96e1-c9fb2a670fcc)

    (Under this heading will be published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Milling or Smelting. Graduate Missouri School of Mines desires

    Jan 8, 1919

  • AIME
    Commercial Recovery Of Pyrite From Coal

    By S. H. Davis

    THE pyrites used in making sulfuric acid in the United States have been largely imported from Spain and Canada, the Spanish imports amounting to nearly 1,000,000 tons per annum in the pre-war period.

    Jan 8, 1919

  • AIME
    Second International Mining Convention

    A three day international mining convention was held At the city hall of Nelson, B. C., June 19-21. It was held under the auspices of the Nelson-Slocan and British Columbia Mining Men's Club, the

    Jan 8, 1919

  • AIME
    Resistance Thermometry For Industrial Use

    By Charles Frey

    TIE fundamental principle of resistance thermometry lies in the determination of temperatures by the measurement of an electrical conductor subjected to various temperatures and the translation of the

    Jan 8, 1919

  • AIME
    Application Of Law Of Equal Expectations To Oil Production In California

    By Carl Beal

    IN February, 1918, the conclusion was published by Lewis and Beal1 "that wells of equal output on the average will produce equal amounts of oil in the future, regardless of the ages of the wells." Thi

    Jan 8, 1919

  • AIME
    Experimental Data Obtained On Charpy Impact Machine

    By F. C. Langenberg

    IT is the purpose of this paper to present a limited amount of experimental data obtained on the Charpy impact machine. Several concrete examples will be given showing the relation existing between th

    Jan 8, 1919

  • AIME
    Institute Committees (b7f68cdd-f206-489b-a94f-7111267825e2)

    STANDING COMMITTEES Executive-A. R. LEDOUX, chairman. Membership-GEORGE C. STONE, chairman. Finance-J. V. N. DORR, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications-BRADL

    Jan 8, 1919