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Ignition of gas by miniature electric lamps with tungsten filaments
Some suggestions on the prevention of electrical accidents in coal mines
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Published Year
1910-1919 (1)
1930-1939 (1)
Subject
Electricity in mining--United States (2) *
Accidents--Prevention--United States (1)
Coal mine accidents--United States (1)
Firedamp--Reactivity (1)
Incandescent lamps--Testing (1)
Mine explosions--United States (1)
Mine safety (1)
Tungsten lamps--Testing (1)
Author
Clark, H. H. (1)
Harrington, Daniel. (1)
Maize, Earl R. (1)
Owings, C. W. (1)
