He also collaborated with Wren on the design of St Paul's Cathedral; Hooke established the ideal shape of an arch is undoubtedly an inverted catenary and thence that a circular series of these kinds of arches would make a great shape with the cathedral's dome.[109] Hook worked within the 2012 https://keeganniarr.wikiitemization.com/4800210/the_ultimate_guide_to_هوک