Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 350
top of thread, 0.37-ofpitch. Width of bottom, 0.37 -{- of pitch.Angle of side, 11X ° • 1404. CONTINUAL BARREL ELEVATOR.—Sprocket wheels and link chains withcurved arms to hold the barrels. 1405. TELESCOPIC HYDRAULIC ELEVATOR.—The several piston cylinders take a proportional lift bytheir…
Mechanical movements
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