A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Proposed lift bridge, Duluth, Minn.
A simple truss, 257 ft. long, to be raised and lowered by means of cables through a range of 133 ft. Inset of details.
Proposed lift bridge, Duluth, Minn.
A simple truss, 257 ft. long, to be raised and lowered by means of cables through a range of 133 ft. Inset of details.
Proposed lift bridge, Duluth, Minn.
RR Gaz
1892
3 pages
Article (Journal)
English
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