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 368
15106. EXPANSION OR AN-CHOR BOLT.—A conical nut andsplit sleeve. 15IOC. ROLLING LIFT BRIDGE.—Are nearly balanced inoperation with many advantages in utilizing the entire width ofchannel and dock space. Chicago Type.
Mechanical movements
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