 ... way of employing the strength of horses. Robertson Buchanan states, that the mechanical effects of men in working a pump, in turning a winch, in ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. According to Hatchette,...  The Mechanic's Calculator: Comprehending Principles, Rules, and Tables in ... - Page 275by William Grier - 1842 - 308 pagesFull view - About this book
 | Olinthus Gregory - Mechanical engineering - 1815 - 582 pages
...inferred that a man would produce the greatest momentum when drawing 3l£lbs. along a horizontal plane with a velocity of 2 feet per second. But this is not the most advantageous way of applying human strength. 67. Dr. Desaguliers asserts, that a man can raise of water or any other weight about... | |
 | Olinthus Gregory - Mechanical engineering - 1826 - 606 pages
...STEELYARD, to ascertain the Strength of Men, in a subsequent p«rt of this volume. chanan ascertained, that in working a pump, in turning a winch, in ringing a bell, and rowing a boat, the dynamic results are as the numbers 100, 167, 227, and 248. According to the interesting experiments... | |
 | Meteorology - 1828 - 888 pages
...comparative efforts of man in different employments, the late Mr. Robertson Buchanan ascertained, that in working a pump, in turning a winch, in ringing a bell, and rowing a boat, the Dynamic results are as the numbers 100, 167, 227, and 248. According to the interesting experiments... | |
 | Physics - 1829 - 500 pages
...Mr. R. Buchanan that the same quantity of human labour employed in working a pump, turning a winch, ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. The most advantageous manner of applying human strength is in the act of rowing. The most useful of... | |
 | 1829 - 522 pages
...that the same quantity of human labour employed in working a pump, turning a winch, ringing a tjell, and rowing a boat, are as the numbers 100, 167, 227, and 248. The most advantageous manner of applying human strength is in the act of rowing. The most useful of... | |
 | Sir John Leslie - Hydrostatics - 1829 - 556 pages
...goods are suspended. According to some experiments of the late Mr Buchanan, the exertions of a man in working a pump, in turning a winch, in ringing a bell, and in rowing a boat, are as the numbers 100, 167, 227, and 248. But those efforts appear to have been... | |
 | Physics - 1829 - 522 pages
...Mr. R. Buchanan that the same quantity of human labour employed in working a pump, turning a winch, ringing a bell, and rowing a boat, are as the numbers 100, 1G7, 227, and 248. The most advantageous manner of applying human strength is in the act of rowing.... | |
 | John Timbs - Handbooks, vade-mecums, etc - 1831 - 302 pages
...R. Buchanan, that the same quantities of human labour employed in working a pump, turning a wheel, ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. The most advantageous manner of applying human strength is in the art of rowing. — The strength of... | |
 | Charles Knight - Labor - 1831 - 324 pages
...R. Buchanan, that the same quantities of human labour employed in working a pump, turning a wheel, ringing a bell, and rowing a boat, are as the numbers 100, 167, 227, and 248. The most advantageous manner of applying human strength is in the art of rowing. — The strength of... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford - Encyclopedias and dictionaries - 1831 - 650 pages
...goods arc suspended. According to some experiments of the late Mr. Buchanan, the exertions of a man in working a pump, in turning a winch, in ringing a bell, and in rowing a boat, are as the numbers 100, 167, 227, and 248. But those efforts appear to have been... | |
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