List of permissible mine equipment approved to January 1, 1937
Technical Report
·
OSTI ID:7319718
Permissible mine equipment approved by the Bureau to January 1, 1937 are listed including 6 mining machines, 80 loading machines and conveyors, 14 coal drills, 69 mining machines, 9 room hoists, 20 mine pumps, 1 concrete mixer, 9 rock-dusting machines, 6 electric switches and junction boxes, 5 electric cap lamps, 9 flame safety lamps, 15 miscellaneous electric mine lamps, 3 electric flash lamps, 5 methane detectors, 1 mine telephone, 8 single-shot blasting units, 20 storage-battery locomotives, 1 main-line haulage locomotive, 8 power trucks, and 1 tandem locomotive.
- Research Organization:
- Bureau of Mines, Washington, DC (USA)
- OSTI ID:
- 7319718
- Report Number(s):
- BM-IC-6942
- Country of Publication:
- United States
- Language:
- English
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