Safeguarding electrical equipment used in gassy mines :European practice

Author: Ilsley, L. C.
Year: 1928
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
Series: Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number: 6082
Subjects: Coal-mining machinery--Safety--Great Britain
Coal mines and mining--Great Britain
Link: https://hdl.handle.net/2027/mdp.39015078516930

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