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 71
ttom of thehopper there is carried a chutewhich inclines upward into the fur-nace. A pusher pushes the coalupward along this chute and dis-charges underneath the burningfuel, displacing the latter and causing it to bulge upward and then slidedown the inclined grates. Air is delivered under pressure… … STEAM POWER. 6S
Mechanical movements
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