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Davidson Process Of Casting Formed Tools - DiscussionJ. A. Mathews,* Syracuse, N. Y. (written discussion?).-It is interesting to note how frequently we hear of some process that is going to revolutionize the tool-steel business. I don't know why it
Jan 5, 1919
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Institute of Metals Division - Embrittlement of Ti-A1 Alloys in The 6 to 10 Pct A1 Range (Discussion p. 1304)By W. F. Carew, F. A. Crossley
IT has been reported that the Ti-8 pct A1 alloy is ductile as water quenched from 800°C but brittle as annealed at 650 °C." The present, somewhat limited, investigation was undertaken to discover the
Jan 1, 1958
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Notes on Flotation-1916 (2531750c-1e54-44ab-a140-4d0fe9d2339b)DAVID COLE, El Paso, Tex. (communication to the Secretary*).-I notice that Mr. Callow takes issue with me on certain points I have previously contributed to the Transactions, to which I would reply,"
Jan 5, 1917
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13. The Mascot-Jefferson City Zinc District, TennesseeBy Johnson Crawford, Alan H. Hoagland
Zinc mining at Jefferson City began in 1854 with small scale production of oxidized ore from open pits. Significant production began in 1913 with the development of the Mascot Mine by the American Zin
Jan 1, 1968
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Mechanical Properties Of Iron-Manganese AlloysBy B. M. Loring, I. R. Kramer, F. M. Walters
No observations on the mechanical properties of iron-manganese alloys have been published since pure manganese became readily available, either distilled manganese or electrolytic manganese. The purpo
Jan 1, 1941
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Arizona Paper - Zircon-Bearing Pegmatites in VirginiaBy Thomas L. Watson
The occurrence of zircon in pegmatites of acidic composition is recorded by many observers both in this country and abroad, and they form one of the most important geologic modes of occurrence of the
Jan 1, 1917
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The Magnetic Concentration of Low-Grade Iron Ores (7025364d-f8fd-4dba-868a-4ec75f57cb21)S. LE FEVRE, Forest Glen, N. Y. (communication to the Secretary*).¬F. L. Nason thinks I could not have studied Mr. Witherbee's paper and doubts the arithmetic used, but in his discussion arrives
Jan 6, 1917
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Institute Committees (db0030d7-95b0-40e8-a75f-52cb7d466d4a)Executive-A. R. Ledoux, chairman. Membership-J. V. W. REYNDERS, chairman. Finance-J. V. N. Dorr, chairman. Library-E. GYBBON SPILSBURY, chairman. Papers and Publications--BRADLEY STOUGHTON, chairm
Jan 11, 1919
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Coal WastageDiscussion of the paper of FRANCIS S. PEABODY, presented at the St. Louis meeting, October, 1917, and printed in Bulletin No. 125, May, 1917, pp. 775 to 781. THE CHAIRMAN (CARL SCHOLZ, Chicago, I11.)
Jan 1, 1918
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Equipment and Facilities – Shovel and Haulage Truck EvaluationBy John T. Crawford
Introduction Loading and hauling systems are evaluated in open pit mining for new properties, expanding existing operations, changing systems or equipment, and equipment replacement analysis. The obj
Jan 1, 1979
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Papers - The Low-volatile Coal Field of Southern West Virginia (With Discussion)By Howard N. Eavenbon
The low-volatile, or smokeless, coal field of southern West Virginia is in Fayette, Raleigh, Wyoming, Mercer, Summers and McDowell counties, in the extreme southern portion of the state, and extends i
Jan 1, 1932
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Why Investors Are Taking a New Look at Natural ResourcesBy Eugene Guccione
Fear of inflation is one important reason for the rebirth of interest in the stock market, and natural resources are the best investment in an era of rapid inflation.
Jan 6, 1976
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Notes On The Clinton Group In AlabamaBy Truman Aldrich
THE Clinton group of the Silurian holds the red or fossiliferous ore; its outcrops have been mapped by the State or U. S. Geological Survey. This group is from 100 to 500 ft. thick in Alabama. There a
Jan 10, 1924
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Top Slicing - Top Slicing in Old Fills at El Bordo Mine, MexicoBy R. J. Mechin
Top-slicing was introduced in the Pachuca district in 1917 by T. C. Baker, at that time mine superintendent of the Santa Gertmdis mine. There then existed 1200 ft. below the surface, lying between the
Jan 1, 1925
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The Decomposition and Reduction of Lead Sulphate at Elevated TemperaturesBy W. Mostowitsh
I. Introductory LEAD sulphate occurs as anglesite, and is formed in every roasting of lead sulphides or sulpho-salts containing lead. In smelting in the blast furnace an ore containing natural or art
Jan 5, 1916
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Division Lectures - The 1961 Institute of Metals Lecture - The Liquid State and the Liquid-Solid TransitionBy David Turnbull
STAFF: Editor, Gerhard Derge Carnegie Institute of Technology Schenley Park Pittsburgh 13, Pa. Editorial Assistant, M. A. Redmerski Production Editor, Otto T. Johnson
Jan 1, 1962
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Papers - Domestic Production - Petroleum Production and Development in the Rocky Mountain District in 1929By F. F. Hintze
Petroleum production in the Rocky Mountain district during 1929 registered a small decline from that of the previous year, conforming with a gradual decrease in the amount of oil produced during the l
Jan 1, 1930
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Some Strontium Deposits of Southeastern California and Western ArizonaBy Bernard Moore
AT present the demands of the United States for strontium are met by imports from Germany, England and Canada, which vary considerably in proportions of ore and finished salts, in tonnage and in value
Jan 1, 1935
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Membership (92e470eb-01c0-4717-ad4b-13f1f2e60acf)NEW MEMBERS The following list comprises the names of those persons who became members during the period of Septa 10, 1917, to Oct. 10, 1917. ALDER, ALFRED 1020 Kansas City St., Rapid City, So. D
Jan 11, 1917
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Membership (63e009f9-c025-467e-911e-6ea18f6da7fb)NEW, MEMBERS The following list comprises the names of those persons who became members during the period July 10, 1916; to July 31, 1916: BOYD, ROBERT RUSSELL Supt:,-Arizona -Commercial Min Co
Jan 9, 1916