Some design factors for windows and lenses used in explosion-proof enclosures

Author:	Scott, Lawrence W.
Year:	1982
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:8880
Series:	Information circular / U.S. Bureau of Mines ;
Report Number:	8880
Subjects:	Mine lighting--Safety measures
	Mine explosions--Safety measures
Link:	https://hdl.handle.net/2027/mdp.39015078462259