Cooke, Josiah Parsons, 1827-1894 · Boston, Little, Brown and Company · leaf 354
piston is able to expel. When,therefore, after working the pump for some time, this smallamount of air, expanded through the whole interior of the cylin-der, exerts a pressure equal to that of the air remaining in tliereceiver, it is evident that the air from the receiver can no longerexpand into… … Fig. 301. (177.) Air-Pump with Valves. — The form of air-pump de-scribed in (175) is exceedingly simple in its construction, and notliable to get out of order. It is therefore well adapted for use in 28* 330 CHEMICAL PHYSICS. the chemists laboratory, where it is exposed to vapors which arelikely to…
Matter · Heat
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