Some Information on Automatic Coupling of Mine Cars

Data in Reference to Installation of Cables in Shafts and Boreholes

Suggestions for the Design of Electrical Accessories for Permissible Mining Equipment: Volumes 256-265

State Regulations Pertaining to Hoisting of Men

State Regulations Pertaining to the Use of Internal-combustion Engines in Coal and Metal Mines and in Tunnels

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

Flame Safety Lamps: Volumes 225-231

An International Viewpoint on Safeguarding Electrical Equipment Used in Gassy Mines

Permissible Electrically Operated Air Compressors

Inspection and Testing of Mine-type Electrical Equipment for Permissibility: Revision of Information Circular 7185

Permissible Storage-battery Locomotives and Power Trucks

Permissible Electrically Operated Post Drills and Drilling Machines

Flame Safety Lamps: Volumes 225-231

Analyses of Samples of Delivered Coal: Collected from July 1, 1915 to January 1, 1922, with a Chapter on the Tidewater Pool Classifications, Issues 226-230

Safeguarding Electrical Equipment Used in Gassy Mines: European Practice. Germany. III

List of Permissible Mine Equipment

Who May Set Off Blasts in Coal Mines?: (state Regulations Relating Thereto)

Hazards from Low Or Under Voltage

Investigation of Electrical Equipment, Safety Lamps, and Gas Detectors for Safety