Describes the general conditions of the West Market street subway, the ventilation, Schuylkill River bridge, elevated structure, shops, etc. (5300 w.)
The subway and elevated lines in Philadelphia
St Ry Jour
1905
Illus
Article (Journal)
English
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The Philadelphia subway and elevated railroad
Engineering Index Backfile | 1905
Engineering Index Backfile | 1929
Engineering Index Backfile | 1929
Engineering Index Backfile | 1929
Engineering Index Backfile | 1905
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