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17 results returnedHow 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
Published Year
Subject
- Methane (5)
- Safety lamps (3)
- Coal mines and mining--Safety measures (2)
- Electric cable sheathing (2)
- Electric lamps (2)
- Electricity in mining (2)
- Firedamp (2)
- Mines and mineral resources (2)
- Blasting (1)
- Detectors (1)
- Electric batteries (1)
- Fuel (1)
- Gas--Electric ignition (1)
- Mine gases (1)
- Mine lighting (1)
- Mine lighting--Equipment and supplies (1)
- Mineral industries (1)
- Mining engineering (1)
- Safety fuses (1)
Author
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