Author: | Knaebel, John B. |
---|---|
Year: | 1932 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.11:6594 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 6594 |
Subjects: | Power tools |
Pneumatic drills | |
Link: | https://hdl.handle.net/2027/mdp.39015078515254 |