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Ignition of gas by standard incandescent lamps
Ignition of gas by miniature electric lamps with tungsten filaments
Electric lights for use about oil and gas wells
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Published Year
1910-1919 (3)
Subject
Incandescent lamps--Testing (3) *
Electricity in mining--United States (1)
Firedamp--Reactivity (1)
Mine explosions--United States (1)
Mine lighting (1)
Tungsten lamps--Testing (1)
Author
Clark, H. H. (3) *
