Greenhill, G. (George), Sir, 1847-1927 · London and New York, Macmillan and Co. · leaf 373
D{Ah-Bk)x = D{Ah+Bk)(i-x);and therefore, as before, ^ //. ,r,DAh(. BVc 362 WORCESTERS AND SA VERYS ENGINE. The adjustment of the valves must be very accurateto secure this motion without shock; or else a connect-ing rod, crank, and fly-wheel must be added, as in theordinary steam engine. In the… … Fig. 79. Fig. 80. This method is nevertheless employed nowadays in thePulsator or Pulsometer pump (fig. 79) where economyis not of so much importance as rapidity and certaintyof action; an automatic spherical valve G admits steamto act alternately on the surface of the water in thevessels A and B,…
Hydrostatics
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