 |
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.
http://www.pbs.org/wgbh/nova/lostempires/china/
Pbs.org ~
Site Info
Whois
Trace Route
RBL Check
|
 |
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.
http://www.douglascoulter.com/BridgeSigns/
Douglascoulter.com ~
Site Info
Whois
Trace Route
RBL Check
|
 |
English versus American Bridges
Discussion on the merits of English and American iron bridges. Published in the 1874 edition of the Railway Gazette.
http://quod.lib.umich.edu/cgi/t/text/pageviewer-idx?c=moa;cc=moa;rgn=full%20text;idno=AJR3197.0001.001;didno=AJR3197.0001.001;view=image;seq=00000001
Umich.edu ~
Site Info
Whois
Trace Route
RBL Check
|
|
|
|