Browse TRAIL Inventories

Guarding trolley wires in mines

Notes pertaining to safety inspections of permissible electric mine equipment

Data in reference to installation of cables in shafts and boreholes

An international viewpoint on safeguarding electrical equipment used in gassy mines

Electrical viewpoint in a complete safety survey of a coal mine

Bureau of Mines apparatus for demonstrating electrical ignition of mine gas

Coal-mine fires of electrical origin :their cause and prevention

State regulations pertaining to the use of internal-combustion engines in coal and metal mines and in tunnels

Installation of high-tension power circuits in coal mines

Reducing "nipping" hazards when tramming coal-mining machinery

State regulations pertaining to hoisting of men

Some signaling systems in metal-mine shafts

Mechanized mining brings new electrical hazards

List of permissible mine equipment approved during 1940

Inspection and testing of mine-type electrical equipment for permissibility

Some information on automatic coupling of mine cars

Permissible mine equipment approved during 1942

Prevention of fires caused by electric arcs and sparks from trolley wires

Permissible mine equipment approved during 1943

Guarding trolley wires in mines

Inspection and testing of mine-type electrical equipment for permissibility :revision of Information circular 7185

International cooperation in reducing mine hazards

State regulations pertaining to the use of internal-combustion engines underground

Permissible mine equipment approved during the calendar years 1955-56 :with appended list of manufacturers of flame resistant trailing cables and fire-resistant conveyor belts

Permissible mine equipment approved during 1957-58


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