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  • AIME
    Industrial Minerals ? New Products, New Processes, New Uses for the Nonmetallics

    By Oliver Bowles

    PRICES of quartz sold in the United States in 1938 ranged from $1.15 to $36,000 a ton. This startling variation was due simply to the differences between glass sand and rock - crystal, materials that

    Jan 1, 1939

  • AIME
    Education - Participants Evaluate Summer Industrial Programs For Students - The Summer Employment Program For Students At The Kennecott Research Center

    By H. R. Spedden

    As part of its broad program of educational assistance-including grants, fellowships, and scholarships -Kennecott Copper Corp. offers summer employment opportunities for college students at each of it

    Jan 6, 1967

  • AIME
    U. S. Bureau Of Mines Investigations And Research On Bumps

    By Edward Thomas

    THE late George S. Rice was active in the investigation of bumps, particularly in the last ten years of his career as chief mining engineer of the U. S. Bureau of Mines. Since most of his investigatio

    Jan 8, 1958

  • AIME
    Institute of Metals Division - An Evaluation of Procedures in Quantitative Metallography for Volume-Fraction Analysis

    By J. E. Hilliard, J. W. Cahn

    calculation has been made of the standard deviations to be expected in the measurement of volume fractions by areal analysis, lineal analysis and four point-counting Procedures. The effect of experi

    Jan 1, 1962

  • AIME
    A Method Of Rolling Steel Or Iron Eye-Bars

    By Charles Macdonald

    WROUGHT-IRON eye-bars for bridges and roofs, designed upon what is known as the pin connection system, have been successfully manufactured in this country for some years. The most approved methods emp

    Jan 1, 1879

  • AIME
    Baltimore Paper - A Method of Rolling Steel or Iron Eye-bars.

    By Charles Macdonald

    Wrought-iron eye-bars for bridges and roofs, designed upon what is known as the pin connection system, have been successfully manufactured in this country for some years. The most approved methods emp

    Jan 1, 1879

  • AIME
    Water Flooding in Northeastern Oklahoma

    By Wllliam D. Davis

    C OMMERCIAL production of oil in northeastern Oklahoma began in 1897 and in the next two decades this area became one of the greatest oil districts of the time. Its importance is now secondary, but th

    Jan 1, 1940

  • AIME
    Mineral Industry Education - Colleges Set a New Record in Activity and Enrolment

    By W. B. Plank

    RETURNS already received from a current survey of the enrolment of students in the mineral technology schools indicate a degree of activity and prosperity in those schools never before equalled. The r

    Jan 1, 1937

  • AIME
    Huge Reserves, Poor Technique Characterize Soviet Oil Industry

    By Linn M. Farish

    SOVIET RUSSIA reserves must be stupendous. In 1937 I. M. Goubkin placed the reserves of all categories it approximately 48 billion barren which was about twenty billion horn Is in excel:, of all the o

    Jan 1, 1940

  • AIME
    Los Angeles Ideal for Regional Meeting

    By AIME AIME

    NO MORE SUITABLE time and place than LOS Angeles on Thursday and Friday, July 28 and 29, could have been chosen for the Western Regional Meeting of the~1nstitutk. After attending two clays of technica

    Jan 1, 1932

  • AIME
    Anaconda's Berkeley Pit A Four-Part Report On Open Pit Mining Operations - Berkeley Pit History And Geology

    By Charles C. Goddard

    Since discovery of silver-gold lode deposits in 1864, the Butte district has produced more than $2.25 billion worth of copper, zinc, manganese, silver, and gold, an unprecedented value in the mining w

    Jan 3, 1959

  • AIME
    Institute of Metals Division - An Analysis of Powder Compaction Phenomena

    By R. W. Heckel

    The conzpaction of metal powders is analyzed through density-pressure curves as a three-stage process — die filling, individual particle motion, gross compact deformatim. The densification occurring

    Jan 1, 1962

  • AIME
    U. S. Turns to South America for Many Critical Minerals

    By AIME AIME

    MICA is perhaps our No. 1. strategic mineral problem because of its large requirements in a variety of equipment for use in the military services, and because the principal source of this material has

    Jan 1, 1942

  • AIME
    What is the Matter with Modern Galvanizing?

    By J. A. Singmaster

    A REPORT that it did not pay to use present-day galvanized iron on account of the short life of the material, accompanied by proofs of the state-ment in the form of a tabulated history of the first co

    Jan 10, 1922

  • AIME
    Beneficiation of Iron Ores from the Blast-furnace Viewpoint

    By Ralph H. Sweetser

    BENEFICIATION of iron ores from the blast-furnace point of view means more than the usual enrichment of the iron contents by the removal of a large part of the clay, carbonic acid gas, silica, or mois

    Jan 1, 1930

  • AIME
    Some Suggestions Regarding The Determination Of The Properties Of Steel (b780d9cc-fc97-46b3-a326-5dbe44e19440)

    By A. N. Mitinsky

    Discussion of the paper of A. N. MITINSKY, presented at the San Francisco meeting, September, 1915, and printed in Bulletin No. 104, August, 1915, pp. 1697 to 1705. LAWFORD H. FRY, Burnham, Pa. (comm

    Jan 12, 1915

  • AIME
    Papers - Production - Introduction

    By James Terry Duce

    The symposium on production for the year 1940 contains few papers on the foreign situation. It is probable that the foreign part of next year's symposium will be even shorter. This is due to rigi

    Jan 1, 1941

  • AIME
    Papers - Temperature-gradient Studies on Tempering Reactions of Quenched High carbou Steels (T. P. 923)

    By B. S. Norris, Charles R. Austin

    The stresses which initiate deformation processes in metals are fundamentally important in the study of the mechanical properties of metals. A point of inflection in the load-elongation curves obtaine

    Jan 1, 1938

  • AIME
    Papers - Temperature-gradient Studies on Tempering Reactions of Quenched High carbou Steels (T. P. 923)

    By B. S. Norris, Charles R. Austin

    The stresses which initiate deformation processes in metals are fundamentally important in the study of the mechanical properties of metals. A point of inflection in the load-elongation curves obtaine

    Jan 1, 1938

  • AIME
    Magnetometric Survey of a Kimberlite Pipe in Southwestern Transvaal

    By Krahmann, Rudolf

    THE following is an account of a survey undertaken to test the possibility of outlining a kimberlite pipe by magnetouietric methods. Kimberlite is a basic igneous rock closely related to melilite-basa

    Jan 1, 1935