Portable electric lamps for animal haulage in Alabama

Author:	Cash, Frank E.
Additional Authors:	Saxon, C. E.
Year:	1933
Document Type:	USBI
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.11:6712
Series:	Information circular / United States Department of Commerce, Bureau of Mines ;
Report Number:	6712
Subjects:	Electric lamps, Portable--Alabama
	Safety lamps--Alabama
	Coal mines and mining--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015086485953