Comparison of trip lights and reflectors

Additional Authors:	Stears, J. H., Oitto, Richard H., Mitchell, D. W., Hood, R. A.
Year:	1968
Document Type:	BMRA
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.23:7202
Series:	Report of investigations / Bureau of Mines ;
Report Number:	7202
Subjects:	Reflectors (Safety devices)
	Signal lights
Link:	https://hdl.handle.net/2027/mdp.39015078537985