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Advancement in Iron and Steel Metallurgy
By J. S. UNGER
A LARGE proportion of the coke used is made in the by-product oven from the high-volatile coals mined in the adjacent district. At the beginning it was feared good by-product blast-furnace coke could
Jan 1, 1926
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Discussions - Discussion of ISD Papers Published in Transactions Volume 185, 1949 - Discussion of ISD Papers Published in Transactions Volume 188, 1950
G. A. Moore—The tin-fusion method has been a very favorable possibility for many years. The authors apparently have settled the question that delayed the method for a long time by showing that no hydr
Jan 1, 1951
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Laws Of Rock Behavior In The Earth's Crust
By Neville J. Price
In order that the reader may not be misled, I feel it necessary to comment upon the title of this paper. "Laws of Rock Behavior," one may take as being part of the all-embracing "Law of Nature" and th
Jan 1, 1970
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New Trends in Mining Geology
By George M. Fowler
EVERY year it becomes more difficult to find new mining districts and new ore deposits. Nearly all of the important discoveries so far can be attributed to surface manifestations overlying the ore dep
Jan 1, 1935
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Geology - Geologic Setting of the Nickel Occurrences on Jumbo Mountain, Washington (Mining Engineerng, Mar 1960 pg 272)
By J. W. Mills
In 1956 the discovery of nickel on Jumbo Mountain, Snohomish County, Washington, focused attention on this part of the Cascade Range, far more renowned for its timber than for its mineral resources. H
Jan 1, 1961
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Drilling – Equipment, Methods and Materials - Increased Bit Life Through Use of Extreme Pressure...
By C. van der Poel, R. L. Chuoke P. van Meurs
When an initially planar interface between two im-ttitcihle liquids is displaced at constant rate, U, nor-mat to the front, instability will occur for all rates greater than a critical rate. U, given
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William E. Wrather – An Interview by Henry Carlisle
Q: It is May 1961 at Bill Wrather's Washington house. Bill, think back to your first job after college. Wrather: Perhaps I ought to go back a little bit further than my first job. I entered t
Jan 4, 1964
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Engineering Lifted from Back Room of Blueprints to First Order of National Importance
By Herbert Hoover
DURING the year, the' Institute has made the most remarkable growth in its history. Our actual increase in membership was 1816 and therefore was 80 per cent. larger than any previous year. Even w
Jan 1, 1921
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Dr. Leith on Ore Origin
By AIME AIME
AT the annual .meeting of the Minnesota Section in December, Dr. Leith characterized as a question still open the exact method of origin of Lake Superior iron ores and emphasized it as an important pr
Jan 1, 1932
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Solving Some of Flotation's Problems
By AIME AIME
L H. DUSCHAK gave an interesting talk at a recent meeting of the. San Francisco Section, based -011 experimental work with a variety of ores at the laborator of the Treadwell-Yukon Co., in Berkeley, C
Jan 1, 1932
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The Physical Features And Mining Industry Of Peru.
By George I. Adams
PHYSICAL AND CLIMATIC DIVISIONS. PERU is divided into three regions-the coast, the sierra, or high mountainous region, and the a montana," or forest region of the Amazon basin. The Coast.-The coast
Jan 7, 1908
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The 1971 Jackling Award Lecture - The Gold Miner And The Future Of Gold
By J. K. Gustafson
Since prehistoric times, gold has been sought for its beauty and its unusual physical and chemical properties. Early in the dawn of civilization it became the ultimate unit of value, and for at least
Jan 1, 1971
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Discussion - Of Mr. Raymond's Paper on Dip and Pitch (see p. 326)
R. W. Raymond, New York, N. Y,:—Since the presentation of my note on this subject at the New York Meeting, Professor Louis has pointed out an error in my statement of his conception of " pitch "—namel
Jan 1, 1909
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Powder Metallurgy
By Frances H. Clark
DEVELOPMENTS in powder metallurgy have been disappointing in 1943. If any new part has gone into large-scale production, knowledge of it has been restricted by considerations of national security. Nor
Jan 1, 1944
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Discussion of Papers Published Prior to 1958 - Energy-Size Reduction Relationships In Comminution
By R. J. Charles
F. C. Bond: This is an outstanding paper on comminution theory and represents a considerable advance in mathematical formulation. It clears the way for a discussion that should ultimately decide wheth
Jan 1, 1959
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Mining - Mechanics of Rock Slopes
By D. H. Trollope
In engineering in general, close agreement between theoretical predictions and structural performance is rare—this is particularly true in rock slopes. Since the complexity of natural arrangements mak
Jan 1, 1961
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Professional Services (33f6526b-19ec-4c45-a3d6-1d3fc3e50a19)
[JAMES A. BARR Consulting Engineer Mt. Pleasant, Tennessee Washington) D.C. BEHRE DOLBEAR & COMPANY Consulting Mining Engineers and Geologists 11 Broadway New York 4, N. Y. BLANDFORD C. B
Jan 1, 1952
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Diesel Engines Versus Steam Turbines for Mine Power Plants
By H Haas
H. HAAS, San Francisco, Cal. (communication to the Secretary?). -Fig. 1 plainly shows that the comparison of the steam-turbine and Diesel-engine plants was made on a basis of 6,000 kw. continuous oper
Jan 5, 1917
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Spokane Paper - The Assay and Valuation of Gold-Bullion
By Frederic P. Dewey
The Bureau of the Mint of the United States Treasury maintains 13 ofEces for the purchase of gold-bullion, and this paper describes an investigation to establish the reasonable differences in the assa
Jan 1, 1910