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 186
of an air-pump.A jet communicating with the tube rises into the re-ceiver. Screw this appai atus to the plate of the pump,exhaust the air, and close the stop-cock. Then un-screw the whole, place the lower end of the tube in avessel of water, and open the stop-cock. The pres-sure of the atmosphere…
Physics
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