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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 153

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 153
536. VACUUM JET CONDENSER AND ROTARYPUMP.—The jet in the vacuum chamber is regulated bythe valve. The rotary pump, being entirely immersed inthe water below, is water-packed. 146 HYDRAVLIC POWER AND DEVICES. … 537. RAMELLI ROTARY PUMP.—One ofthe earliest (1588). A slotted cylinder with fourwings eccentric to a cylindrical shell. The wingsare pushed out by helical springs.

Mechanical movements

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