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Investigations of Permissible Electric Mine Lamps, 1930-40
| Author: | Ilsley, L. C. |
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| Additional Authors: | Hooker, A. B. |
| Year: | 1942 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 441 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12601/ |
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