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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 184

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 184
Pvf^p Tanks r tTArOi SUPPjOt 658. DIRECT AIR PRESSUREPUMP.—Two chambers for alternatingthe pumping action are placed near thewater surface in a well or other watersupply. The chambers have suction andforce valves. A four-way switch cocknear the air pump alternates the flow ofcompressed air to and…

Mechanical movements

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