A natural philosophy : embracing the most recent discoveries in the various branches of physics, and exhibiting the application of scientific principles in everyday life .. (1899)
Quackenbos, G. P. (George Payn), 1826-1881 · New York, Cincinnati [etc.], American book company · leaf 193
d drivesout the liquid through the jet. Some forcing-pumps have no air-chamber, but drive outthe liquid by the direct pressure of the descending piston. Inthat case, the discharge is by successive impulses ; but, whenmade from an air-chamber, it is continuous. 460. The Fire-engine.—The Fire-engine… … THE FORCINGPUMP. be used? 457. What is the principle on which the Forcing-pump acts? 458. De-scribe the form of forcing-pump represented in Fig. 205. 459. Explain its operation.When there is no air-chamber, how does the forcing-pump drive out the liquid?460. Of what does the Fire-engine consist ?…
Physics
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