27 research outputs found
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Indirect evaporative cooling utilizing regenerative cycle heat exchange
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United States Bureau of Mines Bulletin 208
No full textReport 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
Map of Allegany county showing the geological formations and agricultural soils
No full textMaryland Geological Survey, W.m Bullock Clark, State Geologist in co-operation with U.S. Geological Survey, Charles D. Walcott, Director and U.S. Soil Survey, Milton Whitney, Director; geology by C.C. O'Harra and R.B. Rowe; soils by C.W. DorseySurveyed in 1897 and 189
O'Harra's handbook of the Black Hills; a comprehensive summary of information concerning one of America's most interesting regions.
No full textMode of access: Internet
The geology of Allegany County ... /
No full textThesis (PH. D.)--Johns Hopkins university, 1898.Bibliography: p. 69-85.Life
The disintegration of fire bricks by carbon monoxide: Part II. Some investigations on the disintegration of fire bricks
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