Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Mining and Metallurgy - Oil Production
By H. J. Wasson
WITH the close of 1932 and the third year of the depression, the activity of oil production presents, amidst the general wreckage and chaos of industrial society, a somewhat unique picture of rational
Jan 1, 1933
-
Production - Texas - Developments in West Texas Oil Fields during 1943
By Robert S. Dewey
AS a result of drilling operations during 1943, West Texas again added sufficient new oil reserves to replace the oil produced during the year, but failed to maintain its position in currently availab
Jan 1, 1944
-
Production - Texas - Developments in West Texas Oil Fields during 1943
By Robert S. Dewey
AS a result of drilling operations during 1943, West Texas again added sufficient new oil reserves to replace the oil produced during the year, but failed to maintain its position in currently availab
Jan 1, 1944
-
Recent Progress in the Mineral Industry of South America
By LESTER W. STRAUSS
OUR early knowledge of history and geography attracted most of us to the mineral resources of South America. The romantic tales of the Spanish activities, which were curiously alluring, and Prescott&a
Jan 1, 1930
-
Pittsburg International Session October, 1890 Paper - On the Darby Process of Recarburization
By A. Thielen
In experiments for the production of steel the principal problem has always been the introduction into, or removal from, the iron of a definite quantity of carbon. Although the solution of this proble
Jan 1, 1891
-
Minerals Beneficiation - Modernization of Bunker Hill Presintering Practices
By H. E. Lee, D. Ingvoldstad
AT Bunker Hill the original charge storage and preparation system was installed in 1917 to accommodate lead-silver gravity mill products. Only minor tonnages of wet fines such as vanner and flotation
Jan 1, 1957
-
A Kinetic Study Of Acid Leaching Of Chrysocolla Using A Weight Loss Technique
By F. A. Olson, S. L. Pohlman
A unique method of measuring weight loss as a function 3 of time, with a sensitivity of 10-5 grams, while leaching copper minerals with a flowing acid leach solution has been developed. Kinetic result
Jan 1, 1974
-
Industrial Section (1afb7c35-1133-4a3d-9172-e81208c09ff5)
A New Ingersoll-Rand Turbo Blower The Ingersoll-Rand Co. has added to its Turbo Compressors and Blowers a low-pressure machine t o handle volumes from 3,000 to 35,000 cu. ft. per minute at from 1-2 ½
Jan 6, 1916
-
New Design Concepts For Electric Mining Shovels
By L. A. Price
With increased stripping ratios and with dwindling ore content, the mining fraternity is increasingly turning to larger and larger equipment for profitable open pit operations. The availability of hig
Jan 1, 1970
-
Open Pit Mining In 1951
By C. E. McManus
MANY mechanical advances have been made on mining equipment during the year 1951. There have been a number of trends established and many modifications made on open-pit equipment to increase the effic
Jan 1, 1952
-
Production - Domestic - Oil and Gas Development in South Texas during 1941
By James J. Halbouty, Michel T. Halbouty
Drilling activity in the South Texas area, which includes the South Corpus Christi and Laredo districts, showed a marked decline during 1941 from that of the preceding year. The rate of new discoverie
Jan 1, 1942
-
Production - Domestic - Oil and Gas Development in South Texas during 1941
By James J. Halbouty, Michel T. Halbouty
Drilling activity in the South Texas area, which includes the South Corpus Christi and Laredo districts, showed a marked decline during 1941 from that of the preceding year. The rate of new discoverie
Jan 1, 1942
-
Iron and Steel - Optical Temperature Measurements in Open-hearth Furnace
By B. M. Larsen, J. W. Campbell
Several articles have recently been published discussing the conditions necessary for accurate measurements of temperatures in the open-hearth steel furnace. In the course of a study of refractories s
Jan 1, 1927
-
The Use Of Nodulized Ore In The Blast Furnace. (1d9c5e40-a295-40d6-9332-f495be17d151)
Discussion of the paper of Robert Henry Lee, presented at the New York Meeting, October, 1913, and printed in Bulletin No. 82, October, 1913, pp. 2515 to 2522. J. E. JOHNSON, JR., New York, N. Y.:-Th
Jan 12, 1913
-
Foreword by Richard C. Cole, President
Jan 1, 1963
-
The Discovery And Opening Of A New Phosphate Field In The United States.
By Charles Jones
IN the winter of 1902, while occupying the position of mining and examining engineer for the Mountain Copper Co., Ltd., of Keswick, Cal., I had occasion to discuss with the General Manager, among othe
Jan 10, 1913
-
Geophysic Pays Off
By Sherwin F. Kelly
Twenty five years of exploration has shown that the "geophysical dollar" is worth $1780 in the Orange Free State, $1488 on the Witwatersrand, $85 in Sweden, $28,000 in the Transvaal and $3500 or more
Jan 6, 1951
-
Pyrometallurgy - Volatilization
US 4,190,434 - In the thermal production of magnesium metal, a mixture of calcined dolomite, an iron- silicon-aluminum alloy as a reductant, and residual slag from the production of ferrochromium is s
Jan 1, 1982
-
The Carbon-Iron Diagram.
By Henry M. Howe
PART I. § 1. Introduction. After giving certain definitions, this paper gives the reasons which led to Roozeboom's form of the diagram of the freezing-point curves and general equilibrium of the
Jan 7, 1908
-
On Chimney Druaght
By B. W. Prof. Frazier
I PROPOSE in this paper to treat of the chimney merely as a heat engine, as one of the devices resorted to in practice for the conversion of heat into mechanical work. For the sake of simplicity and c
Jan 1, 1882