A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Tunnel under Elbe at Hamburg, Germany, constructed of mild steel tubes. Elevators raise and lower passengers at terminals. Record of water and compressed air troubles. Drive in tunnel is by compressed air with roof-shield.
Tunnel under Elbe at Hamburg, Germany, constructed of mild steel tubes. Elevators raise and lower passengers at terminals. Record of water and compressed air troubles. Drive in tunnel is by compressed air with roof-shield.
A tunnel underneath the Elbe
Eng. Progress
Rohwer, Christian (author)
1920
5 pages
9 Figs.
Article (Journal)
English
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