A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 230
istended it will close, and thereby prevent the en-trance of the external air. The instrument thus ar-anged becomes a bellows pump, (No. 81,) a machine,which from the obvious application of the bellows toraise and spout water as well as air, has been re-invented by machinists in almost every… … Chap. 5.] Old German Bellows Pump. 207 board has also an opening in its centre which is closed by a valve or clack,and also famished with a rod and handle. The under board^ sometimesforms the bottom of a box, in one side of which a spout is inserted, asshown by the dotted lines. The earliest…
Pumping machinery
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