A descriptive and historical account of hydraulic and other machines for raising water (1842)
Ewbank, Thomas · Tilt & Bogue · leaf 295
sides of the pistons . ” Various modifications of it were soon devised by the inventor , by Dr . Desaguliers , and by Mr . William Vreem , the assistant of the latter , “ who was an excellent mecha - nic . ” One form of it is represented by the figure . A is the suction pipe , the lower end of… … so many times greater than that of water . When No . 125 . Mercurial Pump . the depth of the former is 30 ' inches , the latter may be raised as many feet in the suction pipe and forced up an equal distance through the forcing one , making together an elevation of sixty feet ; but if water be…
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