Author: | Spencer, John D. |
---|---|
Additional Authors: | Faber, John H., Joyce, T. J. |
Year: | 1966 |
Document Type: | USBI |
Issuing Agency: | U.S. Bureau of Mines, |
SUDOC: | I 28.27:8314 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 8314. |
Subjects: | Coal-mining machinery |
Bulk solids flow | |
Pneumatic-tube transportation | |
Link: | https://hdl.handle.net/2027/mdp.39015078514604 |