A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 358
Another chain isfastened in the same manner to the lowerpart of the piston rod, (that is above the cy-linder,) and the upper extremity of thesector, and hence when the lever is elevated, this chain raises the piston withit. He probably derived the idea of thus working them from Newcomensmode of… … No. 150. Section of Newshams Engine.
Pumping machinery
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