Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 120
by impulse. Ttirbincsare wheels, generally of small size compared with water wheels,driven chiefly by the impulse of the water. Before enterin^^the moving part of the turbine, the water is allowed to acquirea considerable velocity; during its action on the wheel thisvelocity is diminished, and the… … Fio. 110. A flutter-zvhcel is shown inFig. I lO. This is a water wheelof moderate diameter placed atthe bottom of a chute so as toreceive the impact of the head ofwater in the chute and penstock.Its name is derived from its rapidmotion, the effect of which is tocause a commotion of the waterlike…
Hydraulic machinery · Pumping machinery
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-184-336.webp)
