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10 results returned

Permissible electrically operated pumps

Mechanized mining brings new electrical hazards

List of permissible mine equipment approved during 1940

Inspection and testing of mine-type electrical equipment for permissibility

Some information on automatic coupling of mine cars

Permissible mine equipment approved during 1942

Prevention of fires caused by electric arcs and sparks from trolley wires

Permissible mine equipment approved during 1943

Ground-resistance measurements of drill-hole casings

Guarding trolley wires in mines

Published Year

• 1940-1949 (10) *

Subject

• Coal mines and mining--United States--Safety measures (3)
• Electricity in mining (3)
• Mines safety--United States--Equipment and supplies (3)
• Mine safety (2)
• Boring (1)
• Coal mines and mining--Electrical equipment--Safety measures (1)
• Coal-mining machinery--Electric equipment (1)
• Coal-mining machinery--Safety measures (1)
• Coal-mining machinery--Testing (1)
• Couplers (Railroad cars) (1)
• Earth resistance (Geophysics) (1)
• Electricity in mining--Safety measures (1)
• Mine pumps (1)
• Mine railroad cars--Safety measures (1)
• Mining machinery--Electric equipment--Testing (1)
• Oil well casing (1)

Author

• Gleim, E. J. (10) *
• Brunot, H. B. (2)
• Griffith, F. E. (2)
• Ilsley, L. C. (2)
• Artz, R. T. (1)
• Brunot, H. B.. (1)
• Harrington, D. (1)
• ILsley, L. C. (1)

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