Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Investigations on the Ore. Knob Copper ProcessBy T. Egleston
THE works of the Ore Knob Copper Company are situated in the county of Ashe in the northwestern part of the State of North Carolina, about ten miles from the Virginia line, at an elevation of 4600 fee
Jan 1, 1882
-
Virginia Paper - Investigations on the Ore Knob Copper ProcessBy T. Egleston
The works of the Ore Knob Copper Company are situated in the county of Ashe in the northwestern part of the State of North Carolina, about ten miles from the Virginia line, at an elevation of 4600 fee
Jan 1, 1882
-
Modern Progress in Mining and Metallurgy in the Western United States - PRESIDENTIAL ADDRESSBy David W. Brunton
I. INTRODUCTION. THE list of our past-Presidents comprises the names of runny who, in their official addresses, have sketched the current progress of the arts and professions with which they were fam
Sep 1, 1909
-
Chemistry of Dolomite-Fluxed Hematite and Magnetite Pellets (c0b3e5a2-63b4-4f04-97c1-3c27825eb96e)By J. J. Friel, E. S. Erickson
Dolomite-fluxed pellets of various compositions were made from magnetite concentrate, hematite concentrate and a concentrate containing a natural mixture of both. Physical properties and reduction tes
Jan 1, 1983
-
Determination And Localization Of Metallic Minerals By The Contact Print Method (Technical Publication No. 1457)By Gregoire Gutzeit
THE development reported in this paper was begun by the author a number of years ago, while he was a lecturer on complex chemistry and metallurgy at the University of Geneva, Switzerland, and in charg
Jan 1, 1942
-
Chicago Paper - Experimental Investigations on the " Loss of Head" of Air-Currents in Underground WorkingBy D. Murgue
The circulation of air in underground workings is subject to a gradual and continuous reduction of its pressure, from intake to outlet, caused by the friction between it and the more or less rough and
Jan 1, 1894
-
Metal Mining - Diamond-Drill Blasthole Stoping and Jumbo Drill Mounting Among the Notable ImprovementsBy E. D. Gardner
AGAIN in 1945, the fourth year of World War 11, the American mining industry met the necessary demand made upon it for metals. Lack of labor prevented full production in some districts; maximum output
Jan 1, 1946
-
-
Combustion - The Fly-ash Problem with Domestic Stokers and the Use of Settling Chambers and Firebox Raffles (T. P. 1630, with discussion)By C. C. Wright, T. S. Spicer, R. G. Bowman
In recent years considerable publicity has been given to the problem of atmospheric pollution by fuel-burning equipment. Legislation has been stimulated and smoke ordinances have been enacted, the pro
Jan 1, 1944
-
Combustion - The Fly-ash Problem with Domestic Stokers and the Use of Settling Chambers and Firebox Raffles (T. P. 1630, with discussion)By T. S. Spicer, C. C. Wright, R. G. Bowman
In recent years considerable publicity has been given to the problem of atmospheric pollution by fuel-burning equipment. Legislation has been stimulated and smoke ordinances have been enacted, the pro
Jan 1, 1944
-
Midvale Lead Smelter for Company and Custom OresBy Casper A. Nelson, Wendell M. Whitecotton
A WIDE variety of lead ore is treated by the Midvale Smelter, for it is a custom plant not only treating Company lead concentrate and direct-smelting ores but also custom ores and concentrates, princi
Jan 1, 1948
-
Albany Paper - Application of Electricity in the Anthracite Coal-Field of Pennsylvania, with Special Reference to the Wyoming Field (Discussion, p. 976)By H. H. Stoek, G. W. Harries
The term " Anthracite Coal-Field " is generally used to refer to a comparatively small territory lying in the eastern-central part of Pennsylvania. This territory includes about 3,300 sq. miles of are
Jan 1, 1904
-
The Athabasca Tar SandsBy L. B. McConville
The general term "tar sand" refers to sand that contains varying amounts of dense, viscous petroleum. Tar sand deposits have been found throughout the world, often in the same geographical area as con
Jan 1, 1975
-
Part VII - Thermodynamics of the Thermal Decomposition of Nickel(l1) Sulfate: The Ni-S-0 System from 1000° to 1150°KBy T. R. Ingraham
The thermal decomposition of Nickel (II) sulfate was examined by determining the total pressure of SO3, SO2, and O2 developed over a sample when it was heated in an evacuated system fitted with a Pyre
Jan 1, 1967
-
Reservoir Engineering - General - A Demonstration of the Effect of ‘Dead-End’ Volume on Pressure...By B. H. Caudle, M. D. Witte
In predicting the performance of a pattern injection operation, the engineer needs to know both the amount of oil to be recovered and the rate at which the recovcry will take place. This paper- descri
-
New York Paper - Corrosion of Copper Alloys in Sea Water (with Discussion)By W. H. Bassett, C. H. Davis
The late J. P. Sparrow, chief operating engineer of the New York Edison CO., carried out a series of practical tests on condenser tubes of several copper alloys and reported on the results to the Asso
Jan 1, 1925
-
The Panoramic Camera Applied To Photo-Topographic Work.*By Charles Will Wright
I. INTRODUCTION. THE application of the camera as an adjunct to topographic mapping began practically with its invention, and it has been employed with varying success since that time. With the excep
Jan 1, 1908
-
Industrial Minerals - Lightweight Aggregate Industry in OregonBy N. S. Wagner, R. S. Mason
The production of lightweight aggregates in Oregon is a new industry, and, like all new enterprises, it is suffering from growing pains characterized by numerous, small operations some of which flouri
Jan 1, 1950
-
The Relative Merits of Large and Small Drilling-Machines in Development Work.By Frederick T. Williams
THE purpose of this paper is to discuss the relative merits of the large 31/8 in. machine and the small 21/4-in. tappett machine in driving development-headings ; and although the . data here presente
Mar 1, 1906
-
List of Members, Associates and Junior Associates -GeographicalALABAMA Anniston.-Bretz, J. A. Carrington, F. G. Gerber, A. B. Klugh, B. G. Semple, R. A. Ashland.-Barton, .J. Bessemer.-Abbott, C. E'. Ball, T. L. Beaver, J. J. Ferguson, V. Salmon, H. S. Se
Jan 1, 1923