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The new Philadelphia subway and tunnel. 40-inch water pipes. Reconstruction of part of the Baldwin Locomotive Shops. View in tunnel.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
- Created on
- Tuesday 2 February 2010
- Posted on
- Tuesday 2 February 2010
- Keywords
- commuter, network, rapid transit, transport, transportation, underground
- Visits
- 1043