| William Parsons (3rd earl of Rosse.) - 1844 - 78 pages
...ex«rt no pressure or strain upon it. The weight on the lever L sinks only fifteen feet under tlie **horizontal position, it then rests on the ground,...the chain. Then suppose the tube makes the angle of** 309 F. with the horizon, and that it is required to elevate it, the windlass is turned, and the chain... | |
| Jabez Hogg - Physics - 1853 - 390 pages
...rises or falls ; it is a segment of a circle, of which the chain I is the radius. NATURAL PHILOSOPHY. **sufficiently heavy to descend when the windlass unrolls...chain. Then suppose the tube makes the angle of 30** degrees with the horizon, and that it is required to elevate it, the windlass is turned, and the chain... | |
| Industry - 1855 - 424 pages
...rests on the ground, and is, of course, no load on the tube, which is, when this happens, 30 degrees **above the horizon. Below this point the tube is sufficiently...chain. Then suppose the tube makes the angle of 30** degrees with the horizon, and that it is required to elevate it, the windlass is turned, and the chain... | |
| Jabez Hogg - Physics - 1861 - 594 pages
...rests on the ground, and is, of course, no load on the tube, which is, when this happens, 30 degrees **above the horizon. Below this point the tube is sufficiently...chain. Then suppose the tube makes the angle of 30** degrees with the horizon, and that it is required to elevate it, the windlass is turned, and the chain... | |
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