Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 384
1550. MICROMETER SCREW ADJUSTMENT.— The tangent arm is made fast or loose on the shaft bythe spring chp and screw. Used mostly on theodo-lites and transit instruments. 1551. CORRECT PRINCIPLE setting a hot-water house boiler. in H, E, circulating pipes. B, water-back or coil. K, draw-off. D,… … 1552. UNDER-FEED HEAT-ING FURNACE,Colton-Smeadmodel. A smokeless furnace forhouse heating with bituminous coal.A plunger is operated by a leversector and rack to push the coalbeneath the fire.
Mechanical movements
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