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Approval system of the Bureau of Mines, as applied to permissible storage-battery locomotives :(fourth complete investigation under schedule 15)

Approval system of the Bureau of Mines as applied to permissible storage-battery locomotives :third complete investigation under schedule 15

A new sulfur dioxide-free process for recovering lead from battery scrap

Intrinsically safe 5-V, 4-A rechargeable power supply

Published Year

• 1920-1929 (2)
• 1970-1979 (1)
• 1980-1989 (1)

Subject

• Storage batteries (4) *
• Electric locomotives (2)
• Mine safety (2)
• Electric batteries (1)
• Electricity in mining--Safety measures (1)
• Lead (1)

Author

• Brunot, H. B., (2)
• Ilsley, L. C. (2)
• Sammarco, John J. (1)
• Wilson, Donald A. (1)

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