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The action of acid mine water on the insulation of electric conductors.A preliminary report

Electrical accidents in mines :their causes and prevention

Preliminary investigations of storage battery locomotives :specifications laboratory tests permissible schedule

State mining laws on the use of electricity in and about coal mines

The relative safety of brass, copper, and steel gauzes in miners' flame safety-lamps

Operation and maintenance of electrical equipment approved for permissibility by the Bureau of Mines

Why miners' portable electric lamps require safety devices

Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922

Electric Shot-Firing in Mines, Quarries, and Tunnels

Wanted :more detailed reports on electrical accidents

Safeguarding electrical equipment used in gassy mines :European practice

Development and safety of the storage-battery locomotive

Permissible single-shot blasting units

Electrical motored equipment :approvals and extensions

Electrical accident prevention

Safeguarding electrical equipment used in gassy mines :European practice.

Permissible junction boxes

Hazards from low or under voltage

State regulations governing the use of trolley wires in mines

Selected list of Bureau of Mines publications covering safety studies and activities of the electrical section

Performance tests for trailing cables

List of permissible mine equipment

How leakage of current from an electric shot-firing circuit causes misfires

List of manufacturers of permissible equipment and explosion-proof accessories, as of January 1, 1930

Teaching safety through the approval plate

Points to be considered in the design of covers for explosion-proof compartments

Suggested safety rules for installing and using electrical equipment in coal mines

The grounding of electric systems in and around mines

Specially recommended trailing cable

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

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

List of permissible mine equipment

Milestones in mine-safety legislation

Permissible electrically operated air compressors

The improved permissible flame safety lamps

List of permissible mine equipment :approved to January 1, 1937

Permissible electrically operated room hoists

Permissible methane detectors


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