Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The Pennsylvania R. R. bridge at fifty-second street, Philadelphia
Illustrates details and describes a bridge built to avoid a grade crossing. It includes two long viaduct approaches and a single through span, weighing about 900 tons. (2200 w.)
The Pennsylvania R. R. bridge at fifty-second street, Philadelphia
Illustrates details and describes a bridge built to avoid a grade crossing. It includes two long viaduct approaches and a single through span, weighing about 900 tons. (2200 w.)
The Pennsylvania R. R. bridge at fifty-second street, Philadelphia
Eng Rec
1902
Aufsatz (Zeitschrift)
Englisch
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