Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 74
AMERICAN BOILER STOKER.—The coal is carried underthe grate from the hopperby a spiral screw and forcedup over the grate. Side View of Stoker. … 211. MECHANICALSTOKER for a boiler fur-nace, Playford model.The coal is carried into thefurnace from a hopper bya travelling grate. A gatewith rack and gear, oper-ated by a lever, regulatesthe depth of the coal-feed.
Mechanical movements
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