A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 251
nd of the shaft of the cog wheel; over this a rope is passed andcrossed below, to which any number of men, on each side, may applytheir strength. Both parties pull the rope towards them by turns, andthereby impart the requisite movement to the cog wheel, and consequentlyto the pump rods and… … No. 92. Working Ship Pumps by Ropes. In 1813, the London Society of Arts awarded a medal and twentyguineas to Mr. P. Hedderwick, for various modes of imparting motion totwo pistons in the same cylinder, by a series of levers, instead of cog wheelsand racks. Trans, vol. xxxii, 98. Atmospheric pumps…
Pumping machinery
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![An illustration from Novo teatro di machine et edificii per uarie et sicure operationi : co[n] le loro figure tagliate in rame é la dichiaratione, e dimostratione di ciascuna : opera necesaria ad architetti, e a quelli, ch[e] di tale studio si dilettano (1607)](https://img.insideoutlibrary.com/img/200/ia-novoteatrodimach00zonc-122-74.webp)