Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 155
eth meshing into the recesses of the op-posite gear piston. Used in combinationwith No. 342 in the Silsby fire engine. 530. PAPPENHEIM ROTARYPUMP. — One of the earliest rotarydevices for raising water. Two deepcog-wheels with their teeth meshed androtating in a close-fitted shell. 531. REPSOLD… … HYDRAULIC POWER AND DEVICES. 145 532-533- TRI-AXIALROTARY PUMP.—Alate French invention. Theupper cyhnder receives thepower and rotates the lowerchambered cylinderfthrough three spur gears.The wings of the upper or<power cylinder are set fast and are the only rubbing surfaces. Thecylindrical…
Mechanical movements
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