Search U.S. government technical reports digitized or harvested by TRAIL.
The electrical section of the Bureau of Mines :its purpose and equipment
Ignition of gas by standard incandescent lamps
Ignition of gas by miniature electric lamps with tungsten filaments
Electrical symbols for mine maps
The factor of safety in mine electrical installations
The action of acid mine water on the insulation of electric conductors.A preliminary report
Safety electric switches for mines
Electric Switches for use in Gaseous Mines
Ignition of Mine Gases by the Filaments of Incandescent Lamps
Electric lights for use about oil and gas wells
Permissible electric lamps for miners
Electrical accidents in mines :their causes and prevention
Shot firing in coal mines by electricity controlled from outside
Suggested safety rules for installing and using electrical equipment in bituminous coal mines