Electrical Symbols for Mine Maps

Electric Lights for Use about Oil and Gas Wells

Permissible Explosion-proof Electric Motors for Mines: Conditions and Requirements for Test and Approval

Safety Electric Switches for Mines

Ignition of Gas by Standard Incandescent Lamps

Permissible Electric Lamps for Miners: Volumes 75-99

Shot Firing in Coal Mines by Electricity Controlled from Outside

The Wet Thiogen Process for Recovering Sulphur from Sulphur Dioxide in Smelter Gases: A Critical Study, Issues 131-140