Mineral wool

Author:	Thoenen, John Roy,
Year:	1929
Document Type:	MAIN
SUDOC:	C 22.11:6142
Series:	United States Bureau of mines. Information circular. Circular
Report Number:	6142
Subjects:	Mineral wool
	Insulation (Heat)
Link:	https://hdl.handle.net/2027/mdp.39015095078450