Hazards and protection of underground transformer installations

Author:	Parker, Dorsey Julian,
Year:	1930
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6299
Series:	Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number:	6299
Subjects:	Mine safety
	Electric transformers
Link:	https://hdl.handle.net/2027/mdp.39015077576398