Flame-arresting Limitations of Flat Joints and Plain Bearings in Explosion-proof Mine Equipment

Inspection and Testing of Mine-type Electrical Equipment for Permissibility

Permissible Coal-handling Equipment Approved from January, 1926, to December, 1930, Inclusive: Volumes 340-349

Permissible Storage-battery Locomotives and Power Trucks

Permissible Electrically Operated Post Drills and Drilling Machines

Bauxite: Float-and-sink Fractionations and Flotation Experiments, Issues 312-319

List of Permissible Mine Equipment Approved During 1940

Reducing "nipping" Hazards when Tramming Coal-mining Machinery

Installation of High-tension Power Circuits in Coal Mines

The Explosibility of Methane-air and Gasoline-air Mixtures as Related to the Design of Explosion-proof Electric Motors

Notes Pertaining to Safety Inspections of Permissible Electric Mine Equipment

Bureau of Mines Apparatus for Demonstrating Electrical Ignition of Mine Gas

Abnormal Pressures in Explosion-proof Compartments of Electrical Mining Machines

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

Permissible Mine Equipment Approved During 1942

Guarding Trolley Wires in Mines

Guarding Trolley Wires in Mines

Electrical Viewpoint in a Complete Safety Survey of a Coal Mine

Portable Methane-detecting Appliances Approved Under United States Bureau of Mines Standard

Permissible Mine Equipment Approved During 1943