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Library (1753ac9a-074e-412a-b3f9-7950d57dd968)The Library of the above-named Societies is open from 9 A.M. to 10 P.M. on all week-days, except holidays, from Sept. 1 to June 30, and from 9 A.M. to 6 P.M. during July and August. The Library contai
Jan 6, 1916
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Employment Of Mine Labor ? Discussion (f789910a-9841-4fe9-a437-5fcdc9df9f04)CHARLES F: WILLIS,* Bisbee, Ariz. (written discussion?).-An employment department operated only with the object of relieving the foremen from hiring and for the purpose of centralizing record keeping
Jan 6, 1919
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Institute of Metals Division - Plastic Deformation of Silicon Semiconductor Crystals (TN)By J. L. Stokes, L. J. Demer
It has recently been shown' that epitaxial films of silicon carbide deposited on silicon single crystals possess desirable properties for semiconductor applications. There is one apparent disadva
Jan 1, 1965
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Calculation Of The Depth Of A Magnetic DepositBy Janshi Sen
VERTICAL-INTENSITY magnetometers, such as the Hotchkiss Superdip and the Askania vertical field balance, are now [ ] widely used, because vertical-intensity charts give definite information for the
Jan 1, 1944
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Falkie Outlines Challenges Of New PostBy Duane H. Haley
Dr. F. Well, the first thing that you have to realize is what is the Bureau of Mines? The Bureau of Mines basically has two functions. First it does the research and development relating to mining, pr
Jan 4, 1974
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Butte Paper - Monolithic Magnetite Linings for Basic Copper ConvertersBy Archer E. Wheeler, Milo W. Krejci
There are two general methods in use for the production of metallic copper from matte which are worthy of consideration : (1) the Welsh blister process, and (2) the converter process.' As prac
Jan 1, 1914
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The Drift Of Things (50fdfd63-f4d9-473a-969e-cb7ff3c05888)By Edward H. Robie
Engineers' Centennial THIS summer, in Chicago, will be celebrated the "Centennial of Engineering" and half a hundred engineering societies will have meetings of one kind or another in the two
Jan 1, 1952
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Enlistments In Engineer OrganizationsThe War Department is appealing to skilled workmen and scientifically or technically trained men to enlist in any one of a large number of engineering troops needed for immediate action in France. Any
Jan 4, 1918
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Discussions Of Papers Presented At The New York Meeting, February, 1915Discussion of the paper of Frank H. Kneeland, Safeguarding the Use of Mining Machinery. By B. F. Tillson and Arthur Williams. 1073 Discussion of the paper of Howard N. Eavenson, Safety Methods and Or
Jan 5, 1915
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Production - Domestic - Oil and Gas in Northern and Central Pennsylvania during 1938By Arthur C. Simmons
The Pennsylvania-grade oil industry suffered a serious decline in 1938, which can be largely accounted for by the decrease in the use of lubricating oil. Production was considerably lower than in prev
Jan 1, 1939
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Production - Domestic - Oil and Gas in Northern and Central Pennsylvania during 1938By Arthur C. Simmons
The Pennsylvania-grade oil industry suffered a serious decline in 1938, which can be largely accounted for by the decrease in the use of lubricating oil. Production was considerably lower than in prev
Jan 1, 1939
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The Block Method of Top Slicing of the Miami Copper Co.By E. G. Deane
A METHOD of top slicing has been devised at the Miami Copper Co.'s mine at Miami, Ariz., which differs radically in some ways from the customary methods of top slicing. The area of that section
Jan 9, 1916
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Modern Commercial Explosives And Their UsesBy A. J. Strane
PRACTICALLY all explosives may be classified as those that burn and those that detonate. Explosives of the first class include .black blasting and smokeless powder and are broadly known as low explosi
Jan 8, 1920
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Sampling and Estimating Ore Deposits - Methods of Sampling and Estimating Copper Deposits - Sampling and Estimating Orebodies in the Warren District, Ariz.By Robert H. Dickson
Limestone replacement and contact metamorphic orebodies are 80 irregular that sampling and estimating are far less. exact than in more regular types of deposits; both the mineralized masses and the le
Jan 1, 1925
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Industrial Minerals - Providing Large Industrial Water Supplies by Induced FiltrationBy Fred H. Klaer
Water supplies dependent upon induced infiltration can be developed by vertical wells, by infiltration galleries, or by horizontal water collectors. Each method is described and the advantages of wate
Jan 1, 1954
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Pirotechnia – AcknowledgmentsTHE translators wish to record their appreciation of the help given by many individuals with whom they have discussed various details of the work. They are particularly indebted to Mrs. Anne Noble McK
Jan 1, 1942
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Biographical Notices - Albert Ladd ColbyALBERT Ladd Colby, who died suddenly of influenza at Torquay, England, on Apr. 30,1924, was born in New York City, on June 26,1860. He was educated in the public schools of New York, at the College of
Jan 1, 1924
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Woman's Auxiliary (af6a0e68-78e0-4a6a-ab55-fe57f29a0aad)AMERICANIZE THE MINING INDUSTRY Americanization is the snaking of American citizens; men and women controlled by the ideals of American citizenship, which have been built up by this country's he
Jan 8, 1918
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Biographical Notice - Died in Service - William HagueLieutenant Gorman was born in Ottawa, Canada, in 1888, and after preliminary education at Ottawa University and the Ottawa Collegiate Institute, he graduated from McGill University in 1913, as a minin
Jan 1, 1920
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Reserve's E. W. Davis Works Installs New Heat Hardening Process For TaconitesSUCCESSFUL development of a new process for heat hardening of pellets made from taconite concentrates was announced by Arthur G. McKee & CO., steel plant engineering and construction firm of Cleveland
Jan 10, 1954