Mine safety as affected by electrification

Author: Marshall, K. L.
Year: 1927
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6052
Series: Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number: 6052
Subject: Coal mines and mining--Safety measures
Link: https://hdl.handle.net/2027/mdp.39015077569765

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