Well's natural philosophy : for the use of schools, academies and privte students, introducing the latest results of scientific discovery and research ; arranged with special reference to the practical application of physical science to the arts and the experiences of everyday life ; with three hundred and seventy-five engravings (1873)
Wells, David A · New York : Ivison, Blakeman, Taylor and Co. · leaf 188
represents the principle of the constructionof the forcing-pump. There is no valve in the pis-ton c (Fig. 177), but the water raised through the suc-tion-pipe a, and the valve g, by the elevation of thepiston, is forced by each depression of the piston upthrough the pipe e e, which is furnished… … flow of the water continuousas in a fire-engine, an air,chamber is added to theforce-pump, as is representedat A, Fig. 178. The waterthen, instead of immediatelypassing off through the discharging-pipe, partiallyfills the air vessel, and by the action of the pLstonin the pump, compresses the air…
Physics · Science · Technology
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