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- Investigation of electrical equipment, safety lamps, and gas detectors for safety
- Permissible methane detectors
- Portable methane-detecting appliances approved under United States Bureau of Mines standard
- Accuracy and precision of several portable gas detectors
- Accuracy and precision of several portable gas detectors:additional studies, a supplement to RI 7811
- An analyzer for determining helium-4 in the parts-per-billion range
- An improved analyzer for determining helium-4 in parts-per-billion range
- True flammable gas detecting system
