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Comparative Yields of Light Oil, Tar, and Constituents from Carbonization Tests at 800 Degrees, 900 Degrees, and 1,000 Degrees Celsius
Report issued by the U.S. Bureau of Mines on testing done on a variety of American coals collected from 32 coal beds across the country. The carbonizing properties of samples tested at 3 different temperatures are presented. This report includes tables, and graphs.
Date:
March 1943
Creator:
Holmes, C. R.; Wilson, J. E. & Davis, J. D.
System:
The UNT Digital Library
Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941
Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Date:
November 1941
Creator:
Fieldner, Arno Carl & Schmidt, L. D.
System:
The UNT Digital Library
Loss of Life Among Wearers of Oxygen Breathing Apparatus
Report issued by the U.S. Bureau of Mines discussing fatalities of mine workers while wearing self-contained oxygen breathing apparatuses. Descriptions of the circumstances surrounding the deaths of 26 workers are presented. This report includes a table.
Date:
April 1944
Creator:
Grove, G. W.
System:
The UNT Digital Library