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

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

Approved Explosion-Proof Coal-Cutting Equipment

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

Flame Safety Lamps

Approval system of the Bureau of Mines, as applied to permissible storage-battery locomotives :(fourth complete investigation under schedule 15)

Approval system of the Bureau of Mines as applied to permissible storage-battery locomotives :third complete investigation under schedule 15

Bureau of mines safety labels

Suggestions for the Design of Electrical Accessories for Permissible Mining Equipment

Suggestions for the Design of Electrical Accessories for Permissible Mining Equipment

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

Experiments in Underground Communication Through Earth Strata

List of permissible mining equipment

Electrical motored equipment :approvals and extensions

Electrical accident prevention

Safeguarding electrical equipment used in gassy mines :European practice.

Permissible junction boxes

State regulations governing explosion-proof type electric motors in coal mines

List of permissible mining equipment

Electrical safety inspection :suggestions for mine-safety engineers

Safeguarding electrical equipment used in gassy mines :European practice:

Safeguarding electrical equipment used in gassy mines :European practice:

Safeguarding electrical equipment used in gassy mines :European practice:

Hazards from low or under voltage

State regulations governing the use of trolley wires in mines

Permissible Storage - Battery Locomotives and Power Trucks


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