Subdirectories of History:
Websites on History: Bridge Signs Douglas Coulter's collection of bridge maker's plates from wrought iron bridges of Illinois. Also features photographs of covered and iron bridges, and bridge postcards. Building a Bridge The story of the rebuilding of a bridge over the Blyth between Heveningham and Ubbeston in 1794. China Bridge Discover how China's Song dynasty during the eleventh and twelfth centuries used the high arch "rainbow bridge" to solve the problem of spanning a fast-moving river without impeding boat traffic. Nova online. Context for World Heritage Bridges Contextual essay with bridge design and construction dealt with chronologically by material and by type. Includes bibliography and list of potential World Heritage bridges. English versus American Bridges Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the Railway Gazette. Instructions on Modern American Bridge Building Full text of George Tower's illustrated book first published in 1874. A Treatise on Bracing With its Application to Bridges and Other Structures of Wood or Iron Full text of Bow's 1874 publication.
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