Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 88
FiG. 4. Reinforced Concrete Trestle over ravine near Duluth. Shows a very handsome form of concrete railing. Built under the supervision of the county bridge engineer. Fig. 5. Reinforced Concrete Arch, 55-ft. Span, built in Montgomery County, Maryland, under supervision of State Highway Commission.…
Engineering
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