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 371
1510^. MELAN BRIDGE.—A series of arched steelI beams, filled in with Portland cement concrete. Endsof beams resting against thrust plates. … 1510/. STEEL ARCHED CONCRETE BRIDGE, Thatchertype.—The concrete rib of the arch is reinforced by steel barson the inner and. outer edge of the concrete rib. CONSTRUCTION AND DEVICES. 361
Mechanical movements
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