Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 185
RIDGES. 139 with cow-horns, the gradually increasing length of span, the use of more slender and graceful piers, the reduction in thickness of the arch ring consequent upon a better knowledge of the mechanics of the arch, and the increased beauty of proportion and adornment. Progress, too, was made… … Fig. 21. — Bridge of St. Sauveur. road in 1830, a great many stone bridges have been constructed, but the types have not changed, and the development has simply been in the directions just indicated. Figs. 19-20 show some modern bridges. Fig. 19 is the Pont Neuf at Albi, in France, an extremely…
Engineering
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