Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 322
of preservation. They are almost entirely of stone con-struction—arches and piers. And almost all the bridges of thetwelfth and thirteenth centuries were very narrow with very steepapproach grades. Often the entire absence of parapets made itvery dangerous to cross them at night. There is a feeling… … 3o8 Ralph Modteski. [J. F. I. simplicity. The old Roman bridges seem to have been built withevery line, mass and form shaped directly to meet the recpiirementsof utility; with the result that no line or form could be questionedby the eye. But in the mediaeval bridges good proportions oftenare hurt…
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