Author: | Ilsley, L. C. |
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Year: | 1928 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
Series: | Information circular / United States Department of Commerce, Bureau of Mines ; |
Report Number: | 6082 |
Subjects: | Coal-mining machinery--Safety--Great Britain |
Coal mines and mining--Great Britain | |
Link: | https://hdl.handle.net/2027/mdp.39015078516930 |