Discover how China's Song dynasty during the eleventh and twelfth centuries used the high arch "rai...
Douglas Coulter's collection of bridge maker's plates from wrought iron bridges of Illinois. Also f...
Full text of George Tower's illustrated book first published in 1874.
Full text of Bow's 1874 publication.
Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the...