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Scientific American 1892-01-23
297/1099
A proposed method of tunneling under the Hudson River. Construction of tube sections which are floated, sunk, and connected. Same method used for BART subway tunnel, San Francisco Bay Area.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Tuesday 29 September 2009
- Posted on
- Tuesday 29 September 2009
- Tags
- construction, transit, travel, underwater
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