Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 319
ing Barbaric hordes of that period. Eventhis structure did not escape unharmed, both its ends having beendestroyed (Fig. 17). Of the Roman bridges still preserved in Spain, we shouldmention the Alcantara and the St. Martin bridges. Both of these 304 Ralph ]VIodjeski. [J.F.I. are due to Trajan and… … Ponte Rimini, Italy. ing great structures. This aqueduct formed a part of a veryelaborate water supply system. The water of the streams was Fig. 15.
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