CORRESPONDENCE. ELECTRIC MINING-MACHINERY, WITH SPECIAL REFERENCE TO THE APPLICATION OF ELECTRICITY TO COAL-CUTTING, PUMPING, AND ROCK-DRILLING.
| Autor: | ROOPER, W O, STOKES, A H, ATKINSON, L B, STEAVENSON, A L, FOWLER, G, ATKINSON, C W, HUGHES, H W |
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| Zdroj: | Minutes of the Proceedings; 1891, Vol. 104 Issue 1891, p176-182, 7p |
| Databáze: | Complementary Index |
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