A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 89
load to be raised is suspended to a pulley , ( See fig . ) every turn of the roller r ^ jses a portion of the rope equal to the circumference of the thicker part , but at the same time lets down a portion equal to thatof the small er ; consequently the weight is raised at each turn , through a… … 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 of mechanical Science were well understood in remote ages ; for every me - a De Re Metallica , Basil…
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