A series of views, with description of the work of raising the tracks to an elevated steel structure, and the various expedients which were resorted to in keeping the traffic and the new construction going at the same time. It is pronounced one of the most brilliant engineering feats on record. (2800 w.)
The elevated tracks of the New York Central railroad in New York city
Sci Am Sup
1897
Aufsatz (Zeitschrift)
Englisch
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