He also collaborated with Wren on the design of St Paul's Cathedral; Hooke established The perfect form of the arch can be an inverted catenary and thence that a circular series of this kind of arches will make a great condition to the cathedral's dome.[109] ۱ جستارهای وابسته ۲ منابع https://griffin899i3.wikiinside.com/1561963/about_هوک