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 241
d of tlic 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 Slup Tuiups by Ropes. In 1813, the London Society of Arts awarded a medal and twentyguineas to Mr. P. Hedderwick, for various modes of imparting motion tctwo pistons in the same cylinder, by a series of levers, instead of cog wheelaand racks. Trans, vol. xxxii, 98. Atmospheric pumps…
Pumping machinery
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