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Lighting practices in coal mines of the United States

Investigation of electrical equipment, safety lamps, and gas detectors for safety

New developments in personal lighting systems for miners

Published Year

• 1930-1939 (2)
• 1980-1989 (1)

Subject

• Mine lighting--Equipment and supplies (3) *
• Safety lamps (2)
• Coal mines and mining--Safety measures (1)
• Gas detectors (1)
• Mine lighting (1)
• Mine safety--Equipment and supplies (1)
• Nickel-cadmium batteries (1)

Author

• Ferreira, Elio. (1)
• Hooker, A. B. (1)
• Ilsley, L. C. (1)
• Lewis, W. H. (1)
• Owings, C. W. (1)

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