The mechanical engineer's pocket-book. A reference-book of rules, tables, data, and formulæ, for the use of engineers, mechanics, and students (1910)
Kent, William, 1851-1918 · New York, J. Wiley & sons · leaf 557
hat a man mayexert a force of 25 lbs. at thehandle of a crane for short periods;but that for continuous work aforce of 15 lbs. is all that shouldbe assumed, moving through 220feet per minute. Man-wheel.—Fig.102 is a sketehof a very efficient man-power hoist-ing-machine which the author sawFig. 102.… … Kind of Exertion. 1. Cantering and trotting, draw- ing a light railway carriage(thoroughbred) 2. Horse drawing cart or boat, walking (draught-horse). . . 3. Horse drawing a gin or mill, walking 4. Ditto, trotting min. 221/2mean 301/2max. 50 10066 V. T 3600 RV. J H2/3 4 4471/2 3.6 8 432 3.06.5 841/2…
Mechanical engineering
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