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A descriptive and historical account of hydraulic and other machines for raising water (1842)

Ewbank, Thomas · Tilt & Bogue · leaf 88

An illustration from A descriptive and historical account of hydraulic and other machines for raising water, 1842, leaf 88
m them , as among the first uses to which it , as well as the pulley , was applied . The windlass possesses an important advantage over the single pulley in lifting weights , or overcoming any resistance ; since the intensity of the force transmitted through it , can be modified , either by varying… … No . 18 . Windlass . From Kircher ' s Mundus Subterraneus . The buckets are suspended from opposite sides of the roller , the rope winding round it in different directions , so that , as one ascends , the other descends . Pliny , in his Natural History , xix , 4 , mentions this machine as used by…

e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.

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