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Some observations on coal-mine fans and coal-mine ventilation
Some of the hazards of auxiliary fans in coal mines
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Published Year
1930-1939 (1)
1940-1949 (1)
Subject
Fans (Machinery) (2) *
Mine explosions (2)
Mine safety--United States (2)
Mines and mineral resources--United States--Safety measures (2)
Mine ventilation (1)
Ventilation (1)
Author
Harrington, D. (2) *
Denny, E. H. (1)
Warncke, R. G. (1)
