Miniature oxygen deficiency alarm

Author:	Bowser, Merle L.
Additional Authors:	Bradburn, Robert A.
Year:	1968
Document Type:	USBI
Issuing Agency:	United States Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8358
Series:	Information circular / United States Department of the Interior, Bureau of Mines ;
Report Number:	8358
Subjects:	Mine ventilation
	Oxygen
	Air sampling devices
Link:	https://hdl.handle.net/2027/mdp.39015078516799