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Two devices to prevent electric arcs with airdox operations in coal mines
| Author: | Gallagher, F. J. |
|---|---|
| Year: | 1949 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7515 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7515 |
| Subjects: | Coal mines and mining--Safety measures |
| Coal mines and mining--Equipment and supplies | |
| Coal mines and mining--Electric equipment | |
| Compressed air | |
| Link: | https://hdl.handle.net/2027/mdp.39015078463646 |
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