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U.S. Department of Energy
Office of Scientific and Technical Information

List of permissible mine equipment approved to January 1, 1940

Technical Report ·
OSTI ID:7099871

Electrically operated air compressors, coal drills, loading machines and conveyors, mining machines, mine pumps, rock-dusting machines, room hoists, storage-battery gathering and haulage locomotives and power trucks, mine telephones, junction boxes, electric cap lamps, flame safety lamps, electric hand and trip lamps, electric flood lamps, flashlights, methane detectors, and single- and multiple-shot blasting units are included. Appendix lists trailing cables that have passed tests described by Schedule 2D.

Research Organization:
Bureau of Mines, Washington, DC (USA)
OSTI ID:
7099871
Report Number(s):
BM-IC-7110
Country of Publication:
United States
Language:
English