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Efficiency-Engineering Applied To Mining.
By GLENVILTE A. COLLINS
(Presented at a Meeting of the Spokane Local Section of the Institute, Feb. 17, 1912, and accepted for publication in the Bulletin. ) WHILE I am not at the present time engaged in active mine-managem
Sep 1, 1912
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The Mass Spectrometer as an Analytical Tool - What It Is, How It Works, and What It Can Do
By A. Keith Brewer
RECENT advances in the fields of chemistry, biology, and metallurgy have confronted the analytical chemist with an entirely new set of problems. Development of plastics and synthetics has brought abou
Jan 1, 1946
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Safety, Ventilation and Industrial Hygiene - Most Modern Methods Adopted to Attain Safe Working Conditions
By E. J. Eisenach, W. E. Jones
SAFETY and industrial hygiene have always been recognized as highly important in company policy, and the co-operative support of the company officials and entire plant personnel has contributed largel
Jan 1, 1946
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Iron and Steel Division - The Nonmetallic Constituents of Steel
By Clarence E. Sims
An effort has been made to give both a comprehensive and simplified picture of the origin, modes of formation, and characteristics of nonmetallic inclusions in steel. Exogenous inclusions, those for
Jan 1, 1960
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New Helium Plants of the Bureau of Mines ? Five Plants Can Now Supply 25 Times the Prewar Output
By H. P. Wheeler
WHEN Germany invaded Poland in September, 1939, the only operating helium plant in the United States was that near Amarillo. Texas, supplied with helium-bearing natural gas from the near-by Cliffside
Jan 1, 1945
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Great Area of Common Concern Between Engineers, Employers and Employees
By Herbert Hoover
THE Federation of Engineering Societies has been created for the sole purpose of public service. This initial meeting surely warrants some discussion of a few of the problems to which this organizatio
Jan 1, 1920
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Cooperative Effort in Mining (09cd8ade-64e7-487d-9743-502b2584c577)
By Joseph P. Hodgson
JOSEPH P. HODGSON.-As to ".Safety First," I did not deal with that, but I will say that in 1913, the number of .men killed was nine, and that year the "safety first" program was commenced; the next ye
Jan 12, 1916
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Statistics Show Rock-Dusting Gains Slowly in American Coal Mines
By H. P. Greenwald
IN the year just passed the Coal Division's Committee on Rock-Dusting reviewed the status of this safety measure in American coal mines and prepared a paper thereon which will be presented at the
Jan 1, 1944
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Optimizing Roof Truss Installations With Body-Loaded Photoelastic Models (150067f0-db33-4d29-8f14-e56f4191dd7d)
By Christopher Haycocks, Lawrence P. Johnson, George M. Neall, James M. Townsend
No method of roof control yet devised has proven to be universally acceptable for the wide range of strata conditions experienced in U. S. coal mines. However, a relatively new innovation, the roof tr
Jan 1, 1979
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Institute of Metals Division - Microhardness Anisotropy and Slip in Single Crystal Tungsten Disilicide
By S. A. Mersol, C. T. Lynch, F. W. Vahldiek
The microhardness of single crystals of tungsten disilicide has been investigated by the Knoop method. The average random room-temperature hardness of the WSi, matrix was 1350 kg per sq mm. Hardness c
Jan 1, 1965
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Underground Belt Transportation
By Carel Robinson
MECHANIZATION of coal mine, is radically changing the requirements for under-ground transportation. It has increased materially the need for reliability and belt conveyors are the most dependable mean
Jan 1, 1941
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Part 1. Marketing Of Nonferrous Metals And Ores (9a65ace3-5829-4cd1-93d9-f54f223edc42)
By S. D. Strauss
The marketing of nonferrous metals and of the ores and concentrates from which these metals are recovered is a fascinating trade, international in character, sensitive to every change in the economic
Jan 1, 1964
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Part 1. Marketing Of Nonferrous Metals And Ores
By S. D. Strauss
The marketing of nonferrous metals and of the ores and concentrates from which these metals are recovered is a fascinating trade, international in character, sensitive to every change in the economic
Jan 1, 1959
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Papers - Foreign Production - Petroleum Production in Bolivia in 1929
By G. P. Moore
BOLIVIA still remains among the oil countries that have proved oil acreage but no production which is being marketed. No steps have been taken during the past year to provide facilities for transport
Jan 1, 1930
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Inside a Metal
By L. R. van Wert
CAREFUL research into the nature of the metallic state has yet to discover, with any certainty, its essential quality. We do riot yet know, for sure, what it is that makes the metallic elements differ
Jan 1, 1937
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The Petroleum Industry ? Development of Reserves Trails New Discoveries; Older Fields Required to Produce Beyond Maximum Efficient Rates
By W. S. Morris
PETROLEUM'S importance in World War II can perhaps be better realized by the recitation of a few facts and figures: Gasoline needs in this war are already eighty times greater than in the last w
Jan 1, 1945
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Institute of Metals Division - Influence of Chemical Composition on the Rupture Properties at 1200°F of Wrought Cr-Ni-Co-Fe-Mo-W-Cb Alloys
By J. W. Freeman, E. E. Reynolds, A. E. White
Fram a study of 63 systematic alloy modifications it was found that molybdenum, tungsten, and columbium, added individually or simultaneously, and increases in chromium cause major improvements in 120
Jan 1, 1953
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Iran-Seven Year Plan for Recovery
By John R. Lotz
DEVELOPMENTS in Iran currently arousing interest in a considerable portion of the world, particularly on the part. of that country's immediate neighbor on the North and in our own country, an ins
Jan 1, 1950
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Sixtieth Anniversary of the Founding of the Institute at Wilkes-Barre, Pa.
By AIME AIME
ON MAY 22 the American Institute of Mining and Metallurgical Engineers will commemorate the sixtieth anniversary of its founding at Wilkes- Barre, Pa., in May, 1871. The Directors have transferred the
Jan 1, 1931