The Boston school compendium of natural and experimental philosophy .. (1837)
Parker, Richard Green, 1798-1869 · Boston : Marsh, Capen & Lyon · leaf 91
n of large size, being an inch and a half in calibre. The pneumaticinstruments, mentioned in this section, belong to the same set, and are from thesame manufacturer. There are several other manufactories of philosophical in-struments, in the city, which deserve commendation, among which may be… … PNEUMATICS. 81 The operation of the pump is as follows: The piston P beingdrawn upwards by the handle H, the air in the receiver R, by itselasticity expanding, passes by the aperture I through the tube T,and through the exhausting valve e v into the barrel. On the de-scent of the piston the air…
Physics
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