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Possible hazards attending the use of engines operated on butane fuel in mining and tunneling

Successful system for signaling from mine cages at rest or in motion

Some safety practices for metal mines, nonmetal mines (other than coal), mills, metallurgical plants, and quarries.

Published Year

• 1940-1949 (3) *

Subject

• Mines and mineral resources--Safety measures (3) *
• Butane (1)
• Metallurgical plants--Safety measures (1)
• Mining machinery (1)
• Motor fuels (1)
• Ore-dressing plants--Safety measures (1)
• Quarries and quarrying--Safety measures (1)

Author

• Belser, Carl. (1)
• Berger, L. B. (1)
• Schrenk, H. H.. (1)

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