It shows a caisson or diving-bell, designed by Messrs. Burmeister and Wain, and adopted by them in building the piers of the new bridge in Copenhagen. The principal economy consists in having the ...

The caisson rests on the bedrock and serves as ... and 40,000 tons of concrete. The St. Louis Bridge establishes James Eads as one of the most successful engineers of his time.

During the building of James Eads' St. Louis Bridge, several of the construction workers digging out the riverbed from inside the caissons fell ill. An alarmed Eads shortened his men's working ...