Suggestions for wiring permissible equipment

Author: Ilsley, L. C.
Additional Authors: Brunot, H. B.
Year: 1931
Document Type: USBI
Issuing Agency: U.S. Dept. of Commerce, Bureau of Mines,
SUDOC: C 22.11:6463
Series: Information circular / Bureau of Mines ;
Report Number: 6463
Subject: Electricity in mining
Link: https://hdl.handle.net/2027/mdp.39015077576802

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