He also collaborated with Wren on the design of St Paul's Cathedral; Hooke established The best form of the arch is an inverted catenary and thence that a round number of such arches would make a super shape to the cathedral's dome.[109] بر پایه سرشماری عمومی نفوس و مسکن در https://anderson555d1.wikicarrier.com/409166/new_step_by_step_map_for_هوک