The amount of traffic and increased weight of locomotives made it necessary to replace the channel spans of this bridge by stronger ones. Illustrates and describes the method of carrying out the work without interruption of traffic and obstruction of the river. (4500 w.) (No. 82860)
The reconstruction of the Parkersburg bridge on the Baltimore and Ohio R. R.
Eng Rec
1907
Aufsatz (Zeitschrift)
Englisch
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