Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 328
Martorell. and the top of the large arch, which has an opening of 145 feet,is held down by a chappel. The large arch has two superposedarch-rings and a third one near the upper part of the arch, whichdiverges from the other two at a point about one-third down from Sept., 1922.] Bridges Old and New.… … Regensburg Bridge, Austria.LARGE STONE-ARCH BRIDGES OF THE XVIITH AND XVIIITH CENTURY. Of the later bridges, one built in Regensburg. Austria, showshow little confidence the engineers had in the foundations, for Fig. 29.
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