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- Preliminary investigations of storage battery locomotives :specifications laboratory tests permissible schedule
- State mining laws on the use of electricity in and about coal mines
- The relative safety of brass, copper, and steel gauzes in miners' flame safety-lamps
- Operation and maintenance of electrical equipment approved for permissibility by the Bureau of Mines
- Why miners' portable electric lamps require safety devices
- Permissible explosives, mining equipment, and apparatus, approved prior to March 15, 1922
- Electric Shot-Firing in Mines, Quarries, and Tunnels
- Wanted :more detailed reports on electrical accidents
- Safeguarding electrical equipment used in gassy mines :European practice
- Development and safety of the storage-battery locomotive
- Permissible single-shot blasting units
- Electrical motored equipment :approvals and extensions
- Electrical accident prevention
- Safeguarding electrical equipment used in gassy mines :European practice.
- Permissible junction boxes
- Hazards from low or under voltage
- State regulations governing the use of trolley wires in mines