A descriptive and historical account of hydraulic and other machines for raising water, ancient and modern : with observations on various subjects connected with the mechanic arts: including the progressive development of the steam engine (1876)
Ewbank, Thomas, 1792-1870 · New York : Scribner, Armstrong · leaf 249
he 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 blast… … No. 101. Bellows of the Foulah Blacksmiths. An improvement upon this primeval device is exhibited in the beliowaof the Fculah blacksmiths, on the western coasts of Africa. It consists 233 Primitive Billows uf Asia. [Book III of «.\v() calabashes connected togetlier by two hollow baml)oos or reeds,…
Pumping machinery
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