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Bethlehem Probationary Observation CircuitBy H. T. Morris
ONE of the chief concerns of the Bethlehem Steel Co. naturally is the proper functioning of its organization. This involves the training of a continuous supply of younger men to fill the vacancies cau
Jan 7, 1928
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Training on the JobBy Cadwallader Jr. Evans
THE Hudson Coal Co. is an anthracite concern with 22 mines, employing, when operating full, something around 18,000 men. We have, there-fore, necessity for a large number of subordinate officials and
Jan 7, 1928
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Preliminary Investigation of Tailings for RetreatmentBy I. L. Box
IN planning retreatment of tailings, the material to be retreated should be thoroughly investigated, tak- ing into consideration the total tonnage, the blende content, the specific gravity of the di
Jan 7, 1928
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Recent Progress in Steel Manufacture AbroadBy J. King Hoyt
IN both Sweden and England rapid progress is being made in metallurgical development, and the steel industry in both countries is distinctly on the mend. There has been some industrial trouble in Swed
Jan 7, 1928
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Rules of the Iron and Steel DivisionARTICLE I: NAME AND OBJECTS Section 1: This Division shall be known as the Iron and Steel Division of the American Institute of Mining and Metallurgical Engineers. Section 2: The objects shall be to
Jan 7, 1928
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Flotation Reagents (0bbcd59d-963d-4100-b59b-3377d8136c08)By Arthur Taggart
IN 1900, Elmore found that if an acidulated pulp was stirred up with an oil which was relatively insoluble in and lighter than water, and the mixture was al-lowed to stratify, much of the sulfide woul
Jan 6, 1928
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Testing Hollow Drill Steel at Hofors, SwedenBy Sixten Wollmar
A RESUME. of some important points regarding the life of drill steel, which have so far been learned from investigations carried out in the SKF Hofors' mines, Sweden, by L. Nordenfelt, is given b
Jan 6, 1928
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Underground Lighting and Prevention of AccidentsBy O. N. Wampler
UNDERGROUND lighting in the zinc mines of the Tri-State district can be separated into four di-visions. 1. Foot of shaft. 2. Pumps, fans. incline hoists and other stationary machinery. 3. Haulage ways
Jan 6, 1928
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Mining of Diaspore and Flint Fire Clays in MissouriBy H. S. McQueen
THE central Ozark region of Missouri has inter-ested geologists and mining engineers for many years. Of particular interest are the mineralized sink-hole type deposits, some of which have produced lar
Jan 6, 1928
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Flood Lighting in Metal MinesBy Dever Ashmead
ENGINEERS, operators, miners, and others di-rectly interested in mining will readily agree that more of well-directed illumination in mines will result in a reduction of accidents and general im-prove
Jan 6, 1928
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Mining Congress Coal MeetingTHE fifth annual convention of coal-operating men, with the usual exposition of coal-mine equipment, was held at Cincinnati, May 7 to 11 inclusive, and was fully up to the high standard set by previou
Jan 6, 1928
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Electric Flood Lighting in Anna Beaver MineBy George Haworth
ELECTRICAL illumination of shafts, stations, and haulageways has been successfully practiced for many years, but its use in drifts and stopes where mining operations are carried on has- been limited.
Jan 6, 1928
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The Mineral Industries of New EnglandTHE mineral resources of New England fall almost entirely in the non-metallic group. Metal produc-tion is so insignificant that no separate figures are obtainable; whatever production there may be is
Jan 6, 1928
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Boy Scout LeadersRECENTLY seven Boy Scouts were chosen from all the troops in the United States for their all-around ability, excellence in' scouting, and special ability as writers. Two of the members of this se
Jan 6, 1928
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Some Flotation HistoryIN describing the mining and treatment of ore at the Broken Hill Proprietary mine E. J. Horwood, superintendent of mines, gave the following account of the development of flotation there. It was in 1
Jan 6, 1928
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R. V. NorrisROBERT VAN ARSDALE NORRIS, who died at his home at Wilkes-Barre, Pa., on April 20, 1928, was born at Newark, N. J., on May 2, 1864, of parents who were direct descendants of such sterling New Eng-land
Jan 5, 1928
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Indian Mining Lease Problems in the Quapaw AgencyBy A. C. Wallace
THE development of the natural resources of any district of any magnitude, inevitably gives rise to many problems off title, usually due to the greatly enhanced value of the land. The development of t
Jan 5, 1928
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One Step in Production ControlBy George Smith
THE discussion of production control at the Insti-tute's annual meeting was profitable in that it started some thinking. One pertinent question there raised was how the opening of new mines, whos
Jan 5, 1928
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Procedure for Papers and Publications CommitteeAS provided in Article VIII, Section 4 of the By- laws, the Papers and Publications Committee has formulated the following, rules of pro-cedure and submitted them to the Board of Directors for consi
Jan 5, 1928
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That Chinese MineFOR the benefit of those of our members who may be asked what they know about Mr. Hoover's connec-tion with the Kaiping coal mines in China and who will naturally wish to appear thoroughly well i
Jan 5, 1928