A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 133
the paddles or floats of an undershot wheel , like Barbaro , except that the latter makes the bottom of the boxes or buckets serve at the same time as paddles to receive the impulse of the stream . Rivius , in his German Translation , ( Nuremburgh 1548, ) has given one figure resembling an overshot… … No . 49 . Egyptian Noria . Instead of pots or other vessels secured to the arms by ligatures , or buckets attached to the sides of a wheel , as described by Yitruvius , the periphery of the wheel itself is made hollow , and is divided into a number of cells , or compartments , which answer the same…
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