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 348
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 prcbably derived the idea of thus working them from Newcomensmode of… … No. 150. Seclioii of \e»shams Engine.
Pumping machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
