A descriptive and historical account of hydraulic and other machines for raising water (1850)
Ewbank, Thomas, 1792-1870 · New York, Bangs, Platt, & Co. · leaf 174
enever a breach occurs in oneof their canals, or repairs are to be made, hundreds of the neighboringpeasants are summoned to the work, and in a few hours will empty a largesection of it by these machines. When a pump is intended to raise a great quantity of water at once, itis made proportionably… … No. 64. Chinese Chain Pump. These arms are shaped like .the letter T, and the upper side of each ismade smooth for the foot to rest on. The axle turns upon two uprightpieces of wood, kept steady by a pole stretched across them. The ma-chine being fixed, men treading upon the projecting arms, and…
Pumping machinery
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