Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 176
S. 130 was built in 997, and has one large span of 93 feet, adjoining which is a small span of 52.5 feet, both semicircular. The tower has a Moorish aspect, but the general character of this structure is Roman. The St. Martin bridge, over the same river and in the same city (Fig. 12), built in… … Fig. 12. — St. Martin Bridge, Toledo, Spain. In comparing the bridges of the Middle Ages with those of the Romans, we see that those of the Middle Ages had often much steeper approaches, narrower roadways, and that the spans of the arches of the same bridge were very unequal. The shape of the…
Engineering
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