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Search U.S. government technical reports digitized or harvested by TRAIL.
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42 results returnedPerformance tests for trailing cables
List of permissible mine equipment
How leakage of current from an electric shot-firing circuit causes misfires
Teaching safety through the approval plate
Points to be considered in the design of covers for explosion-proof compartments
The grounding of electric systems in and around mines
Specially recommended trailing cable
Permissible Electric Mine Lamps
The overheating of rubber-sheathed trailing cables
List of permissible mine equipment
Suggestions for wiring permissible equipment
Specially recommended trailing cables
List of permissible mine equipment
Permissible Coal-Handling Equipment: Approved from January, 1926, to December, 1930, Inclusive
Requirements for bolts and similar fastenings for permissible electrical equipment
The splicing of rubber-sheathed trailing cables
Data in reference to installation of cables in shafts and boreholes
List of motors available to prospective builders of permissible outfits
250 versus 500 volts or more for circuits in gassy coal mines
Rubber-Sheathed Trailing Cables
Evolution of methane detecting devices for coal mines
An international viewpoint on safeguarding electrical equipment used in gassy mines
List of permissible mine equipment
Permissible Coal-Cutting Equipment Approved Prior to July 1, 1932
List of permissible mine equipment
Milestones in mine-safety legislation
Permissible electrically operated air compressors
The improved permissible flame safety lamps
Permissible Electric Mine Lamps (Supplement to Bulletin 332)
List of permissible mine equipment :approved to January 1, 1937
Permissible electrically operated room hoists
Permissible electrically operated hand-held coal drills
List of permissible mine equipment approved during 1937
Permissible electrically operated post drills and drilling machines
Fatal and nonfatal electrical accidents in coal mines
State regulations pertaining to hoisting of men
Inspection and maintenance of mine hoisting ropes
Investigation of electrical equipment, safety lamps, and gas detectors for safety
Published Year
Subject
- Electricity in mining (9)
- Mines and mineral resources--Equipment and supplies (6)
- Mining machinery (6)
- Coal mines and mining--Safety measures (5)
- Electric cable sheathing (3)
- Hoisting machinery (2)
- Methane (2)
- Mine hoisting (2)
- Mine safety (2)
- Mine safety--United States (2)
- Safety lamps (2)
- Air-compressors (1)
- Blasting (1)
- Boring machinery (1)
- Cables (1)
- Coal mines and mining (1)
- Coal mines and mining--Safety measures--Periodicals--Bibliography (1)
- Coal-mining machinery (1)
- Coal-mining machinery--Safety (1)
- Detectors (1)
- Drills (1)
- Electric cables (1)
- Electric lamps. (1)
- Electricity in mining--Periodicals--Bibliography (1)
- Explosives (1)
- Firedamp (1)
- Gas detectors (1)
- Hoisting machines (1)
- Internal combustion engines--Safety measures (1)
- Mine accidents--United States (1)
- Mine lighting--Equipment and supplies (1)
- Mine safety--Equipment and supplies (1)
- Mine safety--Law and legislation (1)
- Mine safety--Law and legislation--Great Britain (1)
- Mine safety--Law and legislation--United States (1)
- Mineral industries--Equipment and supplies (1)
- Mineral industries--Periodicals--Bibliography (1)
- Mines and mineral resources (1)
- Mines and mineral resources--Bibliography--Periodicals (1)
- Mining law--Great Britain (1)
- Mining law--United States (1)
- Tunnels--Safety measures (1)
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