| Thomas Nelson Dale - 1908 - 458 Seiten
...COAL COMPANY'S MINE NO. 5, NEAR STOCKETT, MONT. K NELSON COAL MINE AND PLANT AT SAND COULEE, MONT. r The machinery of the entire plant is driven by a double...treated in the above-described process is stated below: R(fuse remaining in coal at Cottonwowl Coal Company's mint, Stockett. Mont. Per cent. Pea 4 Nut 3 Stove... | |
| Milo Smith Ketchum - 1912 - 508 Seiten
...tail-rope engines, with 10 X 18 in. cylinders to the top of the adjoining hill and automatically dumped. The machinery of the entire plant is driven by a double engine W ', with cylinders 13 X 18 in., running 150 revolutions per minute, the connection to the first and... | |
| 1904 - 548 Seiten
...engines, with lo-in. by i8-in. cylinders, to the top of the adjoining hill and automatically dumped. The machinery of the entire plant is driven by a double engine W, with cylinders 13-in. by 18 in., running 150 revolutions per minute; the connection to the first... | |
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