Browse TRAIL Inventories

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

Portable methane-detecting appliances approved under United States Bureau of Mines standard

United States Bureau of Mines standard for inspection and test of explosion-proof enclosures for mining equipment

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

Explosion-Proof Design and Wiring for Permissible Mining Equipment

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


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