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Some haulage safety devices for use on grades, slopes, and inclined shafts

Published Year

• 1940-1949 (1)

Subject

• Mine haulage--Safety appliances (1)
• Mine safety--Equipment and supplies (1) *
• Mining machinery--Safety measures (1)

Author

• Ash, S. H. (1)
• Grove, G. W. (1)
• Ristedt, E. J. (1)

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