Search

Search U.S. government technical reports digitized or harvested by TRAIL.

Keyword Search

Enter your search term(s):
[advanced search]

4 results returned

Search results

• The improved permissible flame safety lamps
• Behavior of flame safety lamps in mine atmospheres deficient in oxygen
• Fuel for permissible flame safety lamps
• Investigation of electrical equipment, safety lamps, and gas detectors for safety