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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 381

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 381
1546. SIMPLE COMBINATION LOCK. —A number of discs arranged on a spindlehaving a feather key. The discs are notchedto match the notches in the key so that theyreadily turn to be set to the register number torelease the spindle. … 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…

Mechanical movements

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