Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 384
1547. TRIPOD.—The legs are pivoted on atriangular prism, which allows the legs to be foldedinto a cylindrical staff. 1548. DOUBLE SPHERICAL SOCKET, used mostly on surveying instruments. Thesocket is clamped by drawing the plates to-gether with thumb-screw. 1549. DISC SLICER, with hopper, for… … 1550. MICROMETER SCREW ADJUSTMENT.— The tangent arm is made fast or loose on the shaft bythe spring clip and screw. Used mostly on theodo-lites and transit instruments. 1551. CORRECT PRINCIPLE insetting a hot-water house boiler. H, E, circulating pipes. B, water-back or coil. K, draw-off. D,…
Mechanical movements
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