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

Maintenance of electrical mine equipment from the viewpoint of the safety inspector

Electrical viewpoint in a complete safety survey of a coal mine

The importance of adequate voltage for distribution systems in coal mines

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

Installation of high-tension power circuits in coal mines

Reducing "nipping" hazards when tramming coal-mining machinery


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