Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 41
59 is a syphon by which liquids may be drawn at in-tervals, viz., by raising and lowering the end of the dischargingleg according to the surface of the liquid in the cistern. Figs. 60, 61, 62 aresyphons described by Heroof Alexandria who lived120 B. C; the descriptionsof the figures are the… … Historical Introduction. 43 is filled, and the water runs over, a discharge will begin andcontinue till the vessel is empty, if the interior opening is sonear the bottom of the vessel as only to leave a passage forthe water. As before, let there be a vessel, A B (Fig. 6i), containingwater. Through…
Hydraulic machinery · Pumping machinery
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