Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
International Trade in Nonmetallic Minerals ? Large Fluctuations Likely as Needs and Sources of Supply Change
By Oliver Bowles
DISCUSSIONS of trade and commerce are generally more comprehensive today than in the past; the problems are approached with a vision unrestricted by national boundaries, and broad enough to comprise t
Jan 1, 1945
-
Progress in Mining Methods During 1931
By Scott Turner
AS IN OTHER lines of engineering, progress in mining was influenced during 1931 by the world-wide economic depression. Low-metal prices ? resulted in active efforts to reduce production costs of base-
Jan 1, 1932
-
Papers - Low-temperature Transformation in Iron-nickel-cobalt Alloys.
By L.L. Wyman
The exact nature of the changes that take place in the iron-nickel alloys, giving rise to the interesting and useful expansion alloys in the Invar range, has yet to be fully understood. Similarly, the
Jan 1, 1939
-
Papers - Low-temperature Transformation in Iron-nickel-cobalt Alloys.
By L. L. Wyman
The exact nature of the changes that take place in the iron-nickel alloys, giving rise to the interesting and useful expansion alloys in the Invar range, has yet to be fully understood. Similarly, the
Jan 1, 1939
-
Papres - Mining Geology - Economic Application of the Insoluble-residue Method (With Discussion)
By H. S. McQueen
The insoluble-residue method for the examination and correlation of limestones and dolomites, or other sedimentary rocks containing calcium and magnesium carbonates, originated and was developed in th
Jan 1, 1937
-
Development and Use of Industrial Explosives
By Arthur La Motte
I NDUSTRIAL explosives, as distinguished from military explosives, include high explosives and blasting powder. The high explosives which are best known are straight dynamite, gelatin dynamite, ammoni
Jan 1, 1924
-
Discussion - Of Mr. Campbell's Paper on the Influence of Carbon, Phosphorus, Manganese and Sulphur on the Tensile Strength of Open-Hearth Steel (see p. 772)
A discussion of the paper by Mr. Campbell, which was read by title at the Lake Superior meeting, but first presented at the New York meeting of the Iron and Steel Institute, October, 1904 (see p. 772)
Jan 1, 1905
-
Institute Representatives on Boards (2ed98159-5f7f-4870-bc29-0ef004308ff1)
United Engineering Trustees, Inc. GEORGE D. BARRON ARTHUR S. DWIGHT R. M. ROOSEVELT The Engineering Foundation H. C. BELLINGER E. DEGOLYER J. V. N. DORR
Jan 1, 1932
-
Chlorination of Gold-Ores ; Laboratory-Tests
By A. L. Sweetser
EXPERIENCE has shown how difficult it is to obtain information regarding laboratory-tests in connection with the chlorination-process for the extraction of gold from its ores, and I therefore present
Sep 1, 1907
-
Recycling Milling Water In Missouri's New Lead Belt
By Franklin H. Sharp, Kenneth L. Clifford
During the last few years the New Lead Belt of Southeastern Missouri has become the main source of lead in the United States. It also produces significant amounts of zinc, copper and silver. The mines
Jan 7, 1973
-
World Minerals ? War and Postwar ? Wartime Problems Met by the Government ? Private Industry Will Have Changed Conditions to Meet
By Alan M. Bateman
POSSIBLE postwar trends of the more important world minerals will be determined in part by their present world position and by the acts and forces that have operated during the war period, so it is de
Jan 1, 1945
-
New Developments in Unburned Magnesite Brick for the Metallurgical Industry
By A. CHESTER BEATTY
MAGNESIUM oxide is by far the most refractory of the common oxides, since it has a melting point of 5072 deg. F. as compared with 3110 deg. F., the melting point of silica (crystobalite) ; 3722 deg. F
Jan 1, 1931
-
New York Paper - Coal-Dust Fired Reverberatory Furnaces of Canadian Copper Co.
By David H. Browne
The use of coal-dust fired reverberatory furnaces, or indeed of rever-beratory furnaces of any description, was for the Canadian Copper Co. a matter of necessity, and not of choice. For 20 years smelt
Jan 1, 1915
-
Evaluation of Mining Geology
By Augustus Locke
I WISH to urge on this Committee the task of evaluating mining geology. -My motive is as follows: It, is a. duty of the Institute from time to5 time, to establish the social perspective of the profess
Jan 1, 1931
-
The Economics of Geophysics in Mining Exploration
By J. J. Jakosky
The strategic importance of the metallic minerals in our industrial economy, and the declining rates of discovery have focused attention on means of exploration for new mineral deposits. A considerati
Jan 1, 1949
-
Position of Steel in 1948
By W. S. Tower
STEEL is the basic metal, the main metallic prop of the modern industrial world, a good gage for measuring the state of our complex economy. Any who had doubts on that score should have had them dispe
Jan 1, 1948
-
Papers - Electrolytic Iron from Sulfide Ores (With Discussion)
By George H. West, Ross Cummings, L. V. Steck, B. P. Little, Robert D. Pike
The drilling of constantly deeper oil wells has made it imperative that the manufacturer of casing be ever searching for new methods and new materials to meet the increased demands. One phase of this
Jan 1, 1930
-
Virginia Beach Paper - Discussion : Coal-Dust in Mine-explosions (see Mr. Glenn's paper, p. 195)
E. E. Russell Tratman, New York City (communication to the Secretary): Mr. Glenn's paper brings up again the question of the part played by coal-dust in colliery-explosions. In the discussion of
Jan 1, 1895
-
Plenty of Oil for National Defense
By JOHN R. SUMAN
OVERWHELMING proof of the importance of oil in a modern national economy is afforded by the present European War. Treat¬ies and national boundaries have been cynically violated to secure greater supp
Jan 1, 1941
-
Process Research On Lead And Zinc Extraction
By T. R. A. Davey
A Survey of current and recent research and developmental work is supplemented by predictions for processes which should be developed over the reminder of this century.
Jan 1, 1970