UNT Libraries Government Documents Department - 38 Matching Results

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Iron Oxide Reduction Equilibria: A Critique from the Standpoint of the Phase Rule and Thermodynamics

Description: Report issued by the Bureau of Mines over studies conducted on iron oxide reduction. As stated in the scope of bulletin, "this bulletin, therefore, presents the properties of the common oxides of iron, their combinations with each other, and the reduction-equilibrium diagrams by which the investigator passes from one to the next; the end point is not pure iron but the carburized iron of the blast furnace, cast iron" (p. 1-2). This report includes tables, and illustrations.
Date: 1929
Creator: Ralston, Oliver C.

Limits of Inflammability of Gases and Vapors

Description: Report issued by the Bureau of Mines over studies conducted on the inflammability of the gases found in mines. As stated in the introduction, "it is the object of this paper to present the results of a critical review of all figures published on the limits of inflammability of combustible gases and vapors when in admixture with air, oxygen, or other "atmosphere" (p. 1). This report includes tables, and illustrations.
Date: 1928
Creator: Coward, H. F. & Jones, G. W.

Safety in Coal Mining: A Handbook

Description: Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the United States. As stated in the introduction, "this report deals solely with accidents in coal mines and with the means of prevention that have been determined and officially approved by the bureau" (p. 2). This report includes tables.
Date: 1928
Creator: Rice, George S.

The Ferric Sulphate-Sulphuric Acid Process: With a Chapter on Producing Small Bubbles of Gas in Liquids by Submerged Orifices

Description: Report issued by the Bureau of Mines over studies conducted on the ferric sulphate-sulphuric acid process. As stated in the introduction, "the work reported here comprises merely a study of the chemistry of the process and the mechanical conditions that would have to be observed in practice" (p. 1). This report includes tables, and illustrations.
Date: 1927
Creator: Ralston, Oliver C. & Maier, Chas. G.

Subsidence Due to Coal Mining in Illinois

Description: Report issued by the Bureau of Mines over investigations on surface subsidence from coal mining in Illinois. The results of the investigations are presented and discussed. This report includes tables, illustrations, and photographs.
Date: 1927
Creator: Herbert, Charles Arthur & Rutledge, J. J.

Plastic Magnesia

Description: Report issued by the Bureau of Mines over the production methods and uses of plastic magnesia. Methods, properties, and uses of plastic magnesia are discussed. This report includes tables, illustrations, and photographs.
Date: 1925
Creator: Ralston, Oliver C. & Pike, Robert D.

Timbering of Metal Mines

Description: Report issued by the Bureau of Mines over the importance of timbering in metal mines. The reasons and methods for timbering are presented and discussed. This report includes illustrations, and photographs.
Date: June 1923
Creator: Holbrook, Elmer Allen; Ageton, Richard V. & Tufft, Harry E.

The Electrothermic Metallurgy of Zinc

Description: Report issued by the Bureau of Mines over the electrothermic metallurgy and smelting of zinc. Different smelting methods, processes, and equipment are presented and discussed. This report includes tables, illustrations, and photographs.
Date: May 1923
Creator: O'Harra, B. Marvel