Abnormal pressures in explosion-proof compartments of electrical mining machines

Author:	Gleim, E. J.
Year:	1929
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of Commerce, Bureau of Mines,
SUDOC:	C 22.12:2974
Series:	Report of investigations / United States Department of Commerce, Bureau of Mines ;
Report Number:	2974
Subjects:	Mine safety
	Electricity in mining
Link:	https://hdl.handle.net/2027/mdp.39015077566423