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Scientific American, Vol. 32, No. 5 (1875) (1875)
leaf 4
the axis of the circular arches, of 10 feet span and 5 feet rise, and 20 inches from 10 to 12 feet deep, good bottom being found without north archway of the bridge, into which it opens through a thick, which span the sidewallxs, and one elliptical arch, 30 going below the water level. From this… … VIADUCT AT STREET CROSSINGS. © 1875 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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