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- 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
