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Are flame safety lamps suitable for detecting petroleum vapors?

Evolution of methane detecting devices for coal mines

Maintaining the permissibility of electric cap lamps

Lighting practices in coal mines of the United States

Permissible mine equipment approved during 1944

Fuel for permissible flame safety lamps :(a revision of RI 3389)

Permissible mine equipment approved to January 1, 1947 :with appended list of available flame-lamp fuels

Permissible mine equipment approved during the calendar year 1947 :supplement to Information Circular 7432

Published Year

• 1920-1929 (1)
• 1930-1939 (3)
• 1940-1949 (4)

Subject

• Coal mines and mining--Safety measures (5)
• Mine safety (3)
• Mining machinery (3)
• Safety lamps (2)
• Electric lamps (1)
• Electricity in mining (1)
• Fuel (1)
• Methane (1)
• Mine lighting (1)
• Mine lighting--Equipment and supplies (1)

Author

• Hooker, A. B. (8) *
• Coggeshall, E. J. (1)
• Ilsley, L. C. (1)
• Owings, C. W. (1)
• Yant, W. P. (1)
• Zellers, D. H. (1)
• Zellers, Donald Henry, (1)

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