A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 170
curs in one of their canals , or repairs are to be made , hundreds of the neighboring peasants are summoned to the Work , and in afew hours will empty a large section of it by these machines . When a pump is intended to raise a great quantity of water at once , it is made proportionably larger ,… … No . 64 . Chinese Chain Pump . These arms are shaped like the letter T , and the upper side of each is made smooth for the foot to rest on . The axle turns upon two upright pieces of wood , kept steady by a pole stretched across them . The ma chine being fixed , men treading upon the projecting…
e-rara · Eisenbibliothek Schlatt · No known copyright restrictions. Free to use for anything.
