Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 155
gteeth 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 rotar)devices 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.—A late French invention. Theupper cylinder receives thepower and rotates the lowerchambered cylinder?through three spur gears.The wings of the upper orpower cylinder are set fast and are the only rubbing surfaces. Thecylindrical…
Mechanical movements
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