English: Suction Pump. A is the cylinder within which the piston B is moved up and down by the rod C. D is the inlet pipe (the lower extremity of which is placed beneath the surface of the liquid to be removed), and G is the outlet pipe. E is a valve in the inlet pipe opening into the cylinder; and the piston is perforate by one or more holes, each fitted with valves opening outwards on its upper surface.
Date
Source
Encyclopædia Britannica 11th edition, volume 22, page 646; archive.org/details/encyclopaediabri22chisrich/page/646
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