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Growing Use of Flotation for Nonmetallic Minerals
By Oliver Bololes
UNDER the able leadership of Samuel H. Dolbear, the Committee on Nonmetallic Minerals furnished a program of sixteen papers comprising three sessions. An outstanding accomplishment in technology prese
Jan 1, 1935
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Graphical Representation of Theoretical Soluble Losses by CCD
By R. J. Woody
DESIGN of the most economic continuous counter-current decantation (CCD) circuit is based on selection of the number of stages and the wash volume that will give the minimum summation of the followin
Jan 7, 1958
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Mining and Metallurgy ? 1924 - Steel Making in Alabama
By James Bowron
CONSIDERING the importance of the steel trade and the strategic position occupied in it by the Birmingham District, it may be surprising to many to realize that even the first pig iron smelted with co
Jan 1, 1924
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Nonmetallic Industries
By Samuel H. Dolbear
NOT WITHSTANDING the extremely low ebb of business activity, the nonmetallic industries have fared somewhat better than some other branches of mining. The average price level in nonmetallics, although
Jan 1, 1933
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Ground Movement and Subsidence - Notable Studies in the Kolar Gold Field and at a Pittsburgh Coal Mine
By George S. Rice
GROUND movement and subsidence is an important matter from several points of view and it is regrettable that more papers have not been written on this subject in the past year. Damage may be done to s
Jan 1, 1938
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Our Future Oil Reserves
By C. A. Fisher
THE discovery of petroleum in Pennsylvania in 1859 marked the birth of an industry of paramount importance. Spreading from - Oil Creek, this remarkable industry may be said to have embraced the earth
Jan 1, 1925
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The Mineral Position of the United States and the Outlook for the Future ? Decreasing Self Sufficiency Seen in the Postwar Years
By Elmer W. Pehrson
OPINION seems widely divergent as to where we stand with respect to future mineral supply. From some quarters we hear that the United States is about to become a "have-not" nation and about to experie
Jan 1, 1945
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Impact of War on the Oil Industry
By AIME AIME
OVER-ALL operations of the oil industry, as measured by production of crude oil and consumption of products, are almost exactly of the same magnitude as a year ago. Does this mean that the great oil i
Jan 1, 1942
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Who Profits From East-West Trade?
By Eugene Guccione
Before answering the question raised in the title, let's briefly consider how East-West trade is viewed within the entire US political spectrum. Essentially, there are four major schools of thoug
Jan 9, 1974
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Engineering Standards for Society
By George Otis Smith
A YEAR ago, ,at the Institute's dinner, I closed my A remarks with the words: "The scientist devotes his life to the advancement of learning; the engineer gives his to the advancement of living."
Jan 1, 1929
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Technical Papers and Discussions - Miscellaneous Metals and Alloys - The Constitution of the Bismuth-indium System (Metals Tech., April 1947, T.P. 2159, with discussion)
By Otto H. Henry, Edward L. Badwick
Up to the present time, according to Hansenl and Haughton,² the constitution of the bismuth-indium system has not yet been published. The generally accepted value for the melting point of indium, as l
Jan 1, 1947
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Technical Papers and Discussions - Miscellaneous Metals and Alloys - The Constitution of the Bismuth-indium System (Metals Tech., April 1947, T.P. 2159, with discussion)
By Otto H. Henry, Edward L. Badwick
Up to the present time, according to Hansenl and Haughton,² the constitution of the bismuth-indium system has not yet been published. The generally accepted value for the melting point of indium, as l
Jan 1, 1947
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Discussions - Of Mr. Colby's Paper on Comparison of American and Foreign Rail-Specifications, with a Proposed Standard Specification to Cover American Rails Rolled for Export (see p. 576)
E. Windsor Richards, London, England:—In reading this paper the most interesting point to me mas the question of the maximum percentage of phosphorus allowable in the steel rail. Mr. Colby said, and w
Jan 1, 1907
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Duluth Paper - Twenty Years' Progress in the Concentration of Sulphuric Acid
By W. H. Adams
One of the most attractive subjects for technical writers is the gigantic industry of the manufacture of sulphuric acid. This is no doubt, natural when we take into account that it has grown in this c
Jan 1, 1888
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American Smelting & Refining Company Garfield Plant
"The Garfield plant of the American Smelting & Refining Company is situated about seventeen miles west of Salt Lake City, on the Los Angeles & Salt Lake Railroad, and has freight service by the Denver
Jan 1, 1925
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Papers - Wrought Iron in Today's Industrial Picture (With Discussion)
By James Aston
A proper consideration of this subject is not confined to the technical channels of production and metallurgy. It concerns an industry, and should cover economic aspects which are of material importan
Jan 1, 1935
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Manganese Ore by the Bradley Process
By Carl Zapffe
THE object of the Bradley process is to free manganese oxide from its associated gangue and separate the contained iron oxide by dissolving the manganese and precipitating it from the solution. '
Jan 1, 1929
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Institute of Metals Division - Microyield Study of Dispersion Strengthening in Spheroidized Steel
By N. Brown, R. Kossowsky
Plain carbon steels with 0.48 and 0.95 pct C were quenched and tempered at 705°C to produce carbide dispersions with spacings on the order of 1 p. The morphology of the structure consisted of a carbid
Jan 1, 1965
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Solving Distribution Problems by Merger
By HAROLD VINTON COES
THE motive for merging or consolidation today is conspicuously different from that actuating business men in the late eighties and early nine- ties. Then they combined to secure added productive capac
Jan 1, 1930
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Introduction (f4397307-70ec-4f96-99fc-2b23e192a68c)
By H. Foster Bain
In the preparation of this series of books it was considered particularly appropriate to include this work. Gunther was one of the younger men who was associated with Colonel Mudd in the finding and d
Jan 1, 1932