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Do fuses protect against methane ignition?
Dry cells and their application to mining
Special multiple-shot blasting units
The improved permissible flame safety lamps
Behavior of flame safety lamps in mine atmospheres deficient in oxygen
Fuel for permissible flame safety lamps
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Published Year
1930-1939 (6) *
Subject
Safety lamps (3)
Methane (2)
Electric batteries (1)
Fuel (1)
Gas--Electric ignition (1)
Mine gases (1)
Mineral industries (1)
Mines and mineral resources (1)
Mining engineering (1)
Safety fuses (1)
Author
Coggeshall, E. J. (6) *
Hooker, A. B. (6)
Ilsley, L. C. (1)
Jones, G. W. (1)