Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 153
oJ o. PAPPEXHEIM ROTARY PUMP. — One of the earliest rotarydevices for raising water. Two deepco2:-wheels with their teeth meshed androtating in a close-fitted shell. 531. REPSOLD ROTARY PUMP.—Two differential sector cylinders re-volving in contiguous cylindrical shells.The greater and smaller…
Mechanical movements
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