Dust-counting cells

Author:	Brown, Carlton E.
Additional Authors:	Beatty, Robert L., Kirby, T. B.
Year:	1945
Document Type:	USBI
Issuing Agency:	U.S. Dept. of the Interior, Bureau of Mines,
SUDOC:	I 28.27:7331
Series:	Information circular / Bureau of Mines ;
Report Number:	7331
Subjects:	Dust control
	Industrial hygiene
	Dust--Measurement
Link:	https://hdl.handle.net/2027/mdp.39015077578105