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Smelting Ores in the Electric Furnace (open access)

Smelting Ores in the Electric Furnace

Report issued by the U.S. Bureau of Mines discussing the electric smelting of nonferrous ores. As stated in the introduction, "it is the purpose of the present paper to survey the technical and economic changes that have taken place and to determine whether electric smelting of nonferrous ores offers any more promise today than 20 years ago" (p. 1). This report includes tables, and illustrations.
Date: October 1937
Creator: Dean, Reginald S. & von Bernewitz, M. W.
System: The UNT Digital Library
Coal-Mine Explosions in Ohio: 1874-1936 (open access)

Coal-Mine Explosions in Ohio: 1874-1936

Report issued by the U.S. Bureau of Mines discussing coal mine explosions in Ohio between 1874 and 1936. The number of explosions and fatalities are presented. The causes of mine explosions are discussed as well. This report includes tables.
Date: October 1937
Creator: Owings, C. W.
System: The UNT Digital Library
Energy Uses and Supplies, 1939, 1947, 1965 (open access)

Energy Uses and Supplies, 1939, 1947, 1965

Report issued by the U.S. Bureau of Mines discussing specific energy uses during the years of 1939, 1947, and 1965. As stated in the subject, "this is a summary of preliminary results of an exploratory study if energy uses and supplies in the United States" (p. 2). This report includes tables, and illustrations.
Date: October 1950
Creator: Barnett, Harold J.
System: The UNT Digital Library