Modification of Bureau of Mines BERC rock dust meter /

Bibliographic Details
Main Authors: Sacks, H. Kenneth, Martin, Dan, 1938- (Author)
Corporate Author: United States. Bureau of Mines
Format: Government Document Book
Language:English
Published: Washington : U.S. Dept. of the Interior, Bureau of Mines, 1976.
Series:Report of investigations (United States. Bureau of Mines) ; 8155.
Subjects:
Description
Physical Description:3 unnumbered pages, 5 pages : illustrations ; 27 cm.