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Why miners' portable electric lamps require safety devices

Are flame safety lamps suitable for detecting petroleum vapors?

Published Year

• 1920-1929 (2) *

Subject

• Safety lamps (2) *
• Electric lamps, Portable (1)
• Mines and mineral resources--Equipment and supplies (1)
• Mines and mineral resources--Research (1)

Author

• Hooker, A. B. (1)
• Ilsley, L. C. (1)
• Yant, W. P. (1)
• Zellers, D. H. (1)

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