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The improved permissible flame safety lamps

Behavior of flame safety lamps in mine atmospheres deficient in oxygen

Fuel for permissible flame safety lamps

Published Year

• 1930-1939 (3) *

Subject

• Safety lamps (3) *
• Fuel (1)
• Methane (1)

Author

• Coggeshall, E. J. (3)
• Hooker, A. B. (3) *
• Ilsley, L. C. (1)
• Jones, G. W. (1)

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