Electronic monitoring of mine fans

Author:	Hartley, John C.
Additional Authors:	McMaster, C. D.
Year:	1964
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8247
Series:	Information circular / Bureau of Mines ;
Report Number:	8247
Subjects:	Mine ventilation
	Fans (Machinery)
Link:	https://hdl.handle.net/2027/mdp.39015077577255