He also collaborated with Wren on the look of St Paul's Cathedral; Hooke decided the ideal form of an arch is an inverted catenary and thence that a circular number of these types of arches helps make an ideal condition to the cathedral's dome.[109] از دیگر آثار ایشان می توان https://raymond799h3.wikimillions.com/3717602/not_known_details_about_هوک