A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 93
directions. Asthe load to be raised is suspended to a pulley, (See fig.) every turn of theroller raises a portion of the rope equal to the circumference of the thickerpart, but at the same time lets down a portion equal to that of the smaller;consequently the weight is raised at each turn, through… … No. 19. Chinese Windlass. No. 20. Fusee Windlass. This is the neatest and most simple modification of the wheel and axle,that human ingenuity has devised, and is a proof that the principles ofmechanical science were well understood in remote ages; for every me- aDe Re Metallica, Basil. 1657. p.…
Pumping machinery
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
