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Search U.S. government technical reports digitized or harvested by TRAIL.
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7 results returnedGuarding trolley wires in mines
Notes pertaining to safety inspections of permissible electric mine equipment
Flame-arresting limitations of flat joints and plain bearings in explosion-proof mine equipment
Electrical viewpoint in a complete safety survey of a coal mine
Bureau of Mines apparatus for demonstrating electrical ignition of mine gas
Reducing "nipping" hazards when tramming coal-mining machinery
Published Year
Subject
- Mine safety (7) *
- Electricity in mining (4)
- Coal mines and mining--Equipment and supplies (1)
- Mine communication systems (1)
- Mine gases (1)
- Mine safety--Equipment and supplies (1)
- Signals and signaling (1)
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