A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 259
the invention of the valve, one of the most essential elements ofhydraulic as well as pneumatic machinery. The first approach to theordinary valve, was a device that is still common in the bellows of someAfrican tribes. A bag formed of the skin of a goat, has a reed attachedto it to convey the… … No. 101. Bellows of the Foulah Blacksmiths. An improvement upon this primeval device is exhibited in the bellowsof the Foulah blacksmiths, on the western coasts of Africa. It consists 23G Primitive Bellows of Asia. [Book III of two calabashes connected together by two hollow bamboos or reeds,…
Pumping machinery
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