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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 72

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 72
209. PLAYFORD MECHAN-ICAL STOKER, for soft coal. Alink grate moved by a sprocket shaftcarries the coal, fed by a hopper,forward under the boiler, returningover a drum shaft at the bridgewall. A screw conveyer brings theash and clinker forward to the pit. … 210. AMERICAN BOILER STOKER. __ —The coal is carried under k ^^■sifl^ ^ i}iQ grate from the hopper^^ by a spiral screw and forcedup over the grate. 6id« Yiew or Stoker. End Vlev.

Mechanical movements

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