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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
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. … 212. MECHANICAL STOKER for a furnace, Jones model, under-feed to the grate. A plunger, whichmay be operated directly by a steampiston, pushes a charge of coal, fallingfrom the hopper, on to the fore plate of the grate, where it is coked, the smoke and gases being drawn into the hot fire and burned.…

Mechanical movements

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