| James Ferguson - 1823 - 444 pages
...Bernoulli! Amontons Coulomb Desaguliers Smeaton Emerson Schulze Two men, according to Desaguliers, working at a windlass with handles at right angles...raise 70 pounds more easily than one man can raise 30, an additional effect of five pounds being produced on the work of each man, in consequence of the uniform... | |
| Alexander Jamieson - 1829 - 654 pages
...pounds, and with a velocity of two feet and a half per second ; and that two men working at a windless with handles at right angles to each other, can raise...positions of the handle, and therefore the motion of (ne windlass is irregular : whereas in the case of two men, with handles at right angles, the effect... | |
| 1833 - 426 pages
...of 30 pounds for 10 hours, with a velocity of 24 feet per second. Two men, according to Desaguliers, working at a windlass with handles at right angles...raise 70 pounds more easily than one man can raise 30, an addi. tional effect of five pounds being produced on the work of each man in consequence of the... | |
| 1839
...hours, turn a winch with a force of 30 Ibs., and with a velocity of two feet and a half per second ; and that two men working at a windlass, with handles at right angles to each other, can raise 701bs. more easily than one man can raise 30 Ibs. The reason of this is, that, when there is only one... | |
| United States National Museum - 1889 - 884 pages
...raising of 70 pounds 1 foot high in a second for ten hours in a day. Two men working at a windlass at right angles to each other can raise 70 pounds more easily than one man can raise 30 pounds. Mr. Sevan's results with experiments upon human strength are for a short period: rounds of... | |
| Smithsonian Institution - 1889 - 870 pages
...raising of 70 pounds 1 foot high in a second for ten hours in a day. Two men working at a windlass at right angles to each other can raise 70 pounds more easily than one man can raise 30 pounds. Mr. Bevan's results with experiments upon human strength are for a short period : Pounds of... | |
| Nehemiah Hawkins - 1909 - 710 pages
...one second, or 4200 minute foot pounds, for 10 hours a day. Two men working at a windlass with the handles at right angles to each other, can raise 70 pounds more easily than one man can 30 pounds. Manufacture. — To produce a finished article from the raw material. Originally, as the... | |
| Nehemiah Hawkins - 1910 - 570 pages
...one second, or 4200 foot pounds per minute for 10 hours a day. Two men working at a windlass with the handles at right angles to each other, can raise 70 pounds more easily than one man can 35 pounds. Manual Repeater. — In telegraphy, a repeater or translator operated by hand, instead of... | |
| Smithsonian Institution. Board of Regents - 1889 - 870 pages
...raising of 70 pounds 1 foot high in a second for ten hours in a day. Two men working at a windlass at right angles to each other can raise 70 pounds more easily than one man can raise 30 pounds. Mr. Sevan's results with experiments upon human strength are for a short period: Pounds of... | |
| 1889 - 418 pages
...raising of 70 pounds one foot high in a second for ten hours in a day. Two men working at a windlass at right angles to each other can raise 70 pounds more easily than one man can raise 30 pounds. Mr. Bevan's results with experiments upon human strength are for a short period : With a drawing... | |
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