He also collaborated with Wren on the look of St Paul's Cathedral; Hooke established the ideal condition of the arch can be an inverted catenary and thence that a round series of this kind of arches will make a great shape to the cathedral's dome.[109] این صفحه آخرین‌بار در ۲۱ https://knoxspias.wikiannouncing.com/5986363/the_basic_principles_of_هوک