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  • AIME
    Discussion - Of Mr. Leggett's Paper on Present Mining Conditions on the Rand (see p. 211)

    AlFred JamEs," London, Eug.:—I thank you, gentlemen, for Sour kind invitation to address you. It is a very great pleasure for me to be here at your annual meeting, and, although I have been a member s

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Howard's Paper on The Work of the Testing Department of the Watertown Arsenal, in Its Relation to the Metallurgy of Steel (see p. 223)

    JAmes E. Howard, Watertown, Mass.:—In connection with this paper, it is the desire of the Watertown laboratory to receive suggestions as to the lines of work and the particular direction along which t

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Parker's Paper on The Coal-Briquette Plan at Bankhead, Alberta, Canada (see p. 236)

    William H. Blauvelt, Syracuse, N. Y.:—Is the coal itself from which the briquettes are made of good quality for steam-ing-purposes? Mr. Parker :—It is an anthracite coal mined near Bank-head arid u

    Jan 1, 1909

  • AIME
    Gayley's Invention Of The Dry Blast.

    By R. W. Raymond

    (Chattanooga Meeting, October, 1908.) THE immense commercial value of the Gayley dry-blast process has been established beyond controversy. The testimony of practical blast-furnace managers, on both

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Wheeler's Paper on Pure Coal as a Basis for the Comparison of Bituminous Coals (see Trans., xxxviii., 621)

    A. Bement, Chicago,Ill. (communication to the Secretary*):— Formerly it was the general practice of engineers to designate coal that is free from moisture and ash as " combustible," notwithstandirig t

    Jan 1, 1909

  • AIME
    A Sea-Level Canal At Panama-A Study Of Its Desirability And Feasibility.

    By Henry G. Granger

    NOTHING in this paper is to be understood as even suggesting a moment's suspension of the splendid work now going forward on the Isthmus of Panama, except so far as it is related to the proposed

    Jan 1, 1909

  • AIME
    The Behavior Of Calcium Sulphate At Elevated Temperatures With Some Fluxes

    By H. 0. HOFMAN AND W. MOSTOWITSCH

    I. INTRODUCTION. THE mineral gypsum, CaSO, + 2 H2O, has been used for many years as a sulphurizing and basic flux in several smelting¬operations. Thus, in smelting oxide nickel-ore in the blast furna

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Keyes's Paper on Genesis of the Lake Valley. New Mexico, Silver- Deposits (see p. 139)

    Bernard MacDonald, Guanajuato, Mexico (communication to the Secretary*):—Mr. Iceyes's paper is very interesting to me because of my personal experience with the development of the ore-deposits of

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Douglas's Paper on Secrecy in the Arts (see Trans., xxxviii., 455)

    Edgar Hall, Silverspur, Queensland, Australia (communication to the Secretary*):—Dr. Douglas has written on this subject before, and his influence has had a powerful effect on the eide of freedom amon

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Howe's Paper on Piping and Segregation in Steel Ingots (see Trans, xxxviii., 3)

    P. H. Dudley, Yew York, N. Y. (communication to the Secretary*) :—The characteristics of Professor Home's metallurgical papers are, that he is able, from the mass of confusing evidence on the sub

    Jan 1, 1909

  • AIME
    Discussion - Of Mr. Chance's Paper on A New Theory of the Genesis of Brown Hematite- Ores; and a New Source of Sulphur Supply (see p. 522)

    Charles Catlett, Staunton, Va. (communication to the Secretary*):—Mr. Chance's suggestions that the brown hematite-ores of the Potsdam formation are due to the alteration in place of iron sulphid

    Jan 1, 1909

  • AIME
    Chattanooga Paper - Gayley's Invention of the Dry Blast

    By R. W. Raymond

    The immense commercial value of the Gayley dry-blast process has been established beyond controversy. The testimony of practical blast-furnace managers, on both sides of the Atlantic, agrees that it r

    Jan 1, 1909

  • AIME
    The- Kaffir Mine-Laborer.

    By Thomas Lane Carter

    THE history of mining in South Africa differs somewhat from that of other countries in the part taken by the aborigines in the development ?of the mineral deposits. The Spaniards in America, and the f

    Nov 1, 1908

  • AIME
    Experience With The Gayley Dry Blast At The Warwick Furnaces, Pottstown, Pa.

    By Edward B. Cook

    INTRODUCTION. THE installation of the Gayley Dry-Air process appealed specially to the management of the Warwick Iron & Steel Co., for the. reason that for fifteen years records had been kept at the

    Nov 1, 1908

  • AIME
    Luther, Körner, Humboldt, And Swedenborg.

    By R. W. Raymond

    FOUR portraits have recently been hung in the rooms of the Institute, in recognition of four illustrious men with whom we, as mining engineers and metallurgists, may claim fellowship. LUTHER. Martin

    Nov 1, 1908

  • AIME
    Professional Ethics.

    By John Hays Hammond

    This is an era of " expansion; and, conformably with the change in commercial conditions, the function of the mining engineer, as well as that of his confreres in many other professions, has also expa

    Nov 1, 1908

  • AIME
    The Constitution Of Copper-Iron And Copper-Lead-Iron Mattes.*

    By Ivan E. Goodner, Charles H. Fulton

    THE subject of the constitution of copper-iron mattes has received considerable attention in recent years by Keller,1 Bolles,2 Hofman,3 and Gibb and Philp.4 Still more recently Friedrich, Röntgen, Wie

    Nov 1, 1908

  • AIME
    The Mining And Milling Of Silver-Lead- And Zinc-Ores at Pierrefitte Mines, France.

    By WILLIAM WATERS

    L HISTORY. THE Pierrefitte mines, situated in the South of France, in the district of the Hautes-Pyrenees, owe their name to the fact that the first mining operations of any extent, and of comparativ

    Nov 1, 1908

  • AIME
    A New Theory Of The Genesis Of Brown Hematite Ores; And A New Source Of Sulphur Supply.

    By H. M. Chance

    Discussion of the paper of H. M. Chance, Bi-Monthly Bulletin, No. 23, September, 190S, pp. 791-808. CHARLES CATLETT, Staunton,Va. (communication to the Secretary *):-Mr. Chance's suggestions tha

    Nov 1, 1908

  • AIME
    Proceedings Of The N I N E T Y - F I F T H Meeting, Chattanooga, Tenn., October, 1908.

    By AIME AIME

    LOCAL COMMITTEES. GENERAL RECEPTION COMMITTEE.-Mr. and Mrs. H. S. Chamberlain, Mr. and Mrs. J. T. Lupton, Mr. and Mrs. T. H Lasley, Mr. and Mrs. R. S. Faxon, Mr. and Mrs. H. Clay Evans, Mr. and Mrs.

    Nov 1, 1908