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- The relative safety of brass, copper, and steel gauzes in miners' flame safety-lamps
- Are flame safety lamps suitable for detecting petroleum vapors?
- Permissible single-shot blasting units
- How leakage of current from an electric shot-firing circuit causes misfires
- Laboratory and field tests of a permissible indicating methane detector
- The overheating of rubber-sheathed trailing cables
- Do fuses protect against methane ignition?
- The splicing of rubber-sheathed trailing cables
- Rubber-Sheathed Trailing Cables
- Evolution of methane detecting devices for coal mines
- Dry cells and their application to mining
- Factors that decrease the light of electric cap lamps
- Special multiple-shot blasting units
- Maintaining the permissibility of electric cap lamps
- The improved permissible flame safety lamps
- Behavior of flame safety lamps in mine atmospheres deficient in oxygen
- Permissible methane detectors
- Lighting practices in coal mines of the United States
- Fuel for permissible flame safety lamps
- Permissible blasting units
- Permissible methane detectors
- Investigations of Permissible Electric Mine Lamps, 1930-40
- Fuel for permissible flame safety lamps :(a revision of RI 3389)
- Permissible mine equipment approved during 1944
- Permissible mine equipment approved to January 1, 1947 :with appended list of available flame-lamp fuels
- Permissible mine equipment approved during the calendar year 1947 :supplement to Information Circular 7432