Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 213
Fig. 189. 214 Pumps and Hydraulics. The lift of valves for moderate or low speed pumps is seenin Fig. 190 and those for higher speeds in Fig. 191. Theseengravings clearly show the relative position of the suction anddischarge valves during the movements of the piston. … Fio. 190. Pump slip or slippage is a term used to denote the differ-ence between the calculated and the actual discharge of a
Hydraulic machinery · Pumping machinery
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