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Analysis of the use of electricity at coal mines :progress report 2
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Published Year
1940-1949 (1)
Subject
Coal mines and mining--Electric equipment (1)
Electricity in mining (1) *
Author
Jones, F. A. (1)
Maize, E. R. (1)
Scudder, J. N. (1) *
Thomas, E. (1)
Toenges, A. L. (1)
