Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in constructive and operative machinery and the mechanical arts, being practically a mechanical dictionary, commencing with a rudimentary description of the early known mechanical powers and detailing the various motions, appliances and inventions used in the mechanical arts to the present time, including a chapter on straight line movements, by Gardner D. Hiscox (1914)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 370
^-one feet span. 1507. A four-span suspen-sion bridge. Allegheny River,at Pittsburgh. … 1508. SUSPENSION BRIDGE.—The Cincinnati bridge,Roebling system. Ten hundred and fifty-seven feet between piers.
Mechanical movements
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