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Keywords from Image Description:
Forthbron Nordisk familjebok. Forthbron Sedd frn sidan vre och ovanifrn undre Forth Rail Bridge Seen from the side top and from above bottom Nordisk familjebok vol org html Nordisk familjebok PDUgglan Nordisk familjebok Truss bridge drawings cantilever Cantilever bridge drawings iron truss Forth Bridge Panoramics of bridges