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27 results returnedThe 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
Lighting practices in coal mines of the United States
Fuel for permissible flame safety lamps
Investigations of Permissible Electric Mine Lamps, 1930-40
Permissible mine equipment approved during 1944
Fuel for permissible flame safety lamps :(a revision of RI 3389)
Published Year
Subject
- Methane (6)
- Coal mines and mining--Safety measures (5)
- Safety lamps (5)
- Blasting (3)
- Mine safety (3)
- Mining machinery (3)
- Electric cable sheathing (2)
- Electric lamps (2)
- Electricity in mining (2)
- Firedamp (2)
- Fuel (2)
- Mines and mineral resources (2)
- Detectors (1)
- Electric batteries (1)
- Gas detectors (1)
- Gas--Electric ignition (1)
- Mine explosions--Prevention (1)
- Mine gases (1)
- Mine lighting (1)
- Mine lighting--Equipment and supplies (1)
- Mineral industries (1)
- Mining engineering (1)
- Safety fuses (1)
- Safety lamps--Materials--Testing (1)
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