Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 74
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^ the grate from the hopperi| by a spiral screw and forced4lj up over the grate. Side View of Stoker. End View.
Mechanical movements
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