A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The Philadelphia subway and tunnel
An illustrated account of the work on the Pennsylvania avenue subway and tunnel, and the engineering problems met. (2800 w.)
The Philadelphia subway and tunnel
An illustrated account of the work on the Pennsylvania avenue subway and tunnel, and the engineering problems met. (2800 w.)
The Philadelphia subway and tunnel
Sci Am
1899
Article (Journal)
English
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