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Abnormal pressures in explosion-proof compartments of electrical mining machines

Hazards from low or under voltage

Guarding trolley wires in mines

Notes pertaining to safety inspections of permissible electric mine equipment

Electrical viewpoint in a complete safety survey of a coal mine

Reducing "nipping" hazards when tramming coal-mining machinery

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

Guarding trolley wires in mines

Effect of temperature on flame-arresting properties of flat joints in explosion-proof mine equipment

A study to determine factors causing pressure piling in testing explosion-proof enclosures

Potential uses for 400 Hz electrical power systems in mining


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