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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 114

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 114
TO BOILER OVERFLOW 387. EXCELSIOR INJECTOR.— A separate valve gives steamto the lifting nozzle A, theoverflow cock D C beingopen. The first movementof the handle opens the coni-cal valve b ; 2i further move-ment closes the overflow cockD C to both the lifting andforce overflow S.

Mechanical movements

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