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Scientific American 1913-03-29
814/1099
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Trench and tube method of constructing sub-aqueous tunnels. This drawing shows the general method by which the four-track tunnel of the new Lexington Avenue subway of New York will be constructed beneath the Harlem River.
Artist:
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Monday 6 February 2012
- Posted on
- Monday 6 February 2012
- Keywords
- concrete, pipes, transit, transportation
- Visits
- 1039