A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Details of supports showing series of I-beams, girders and concrete construction.
Details of supports showing series of I-beams, girders and concrete construction.
Philadelphia City Hall subway station
Eng. World
Gardner, Harry (author)
Engineering World ; 14
1919
8 pages
12 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
New construction methods in subway work under Philadelphia City Hall
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