He also collaborated with Wren on the look of St Paul's Cathedral; Hooke established the ideal shape of the arch is surely an inverted catenary and thence that a round series of these arches makes an excellent condition to the cathedral's dome.[109] ۱ جمعیت ۲ منابع تغییر وضعیت فهرست محتویات هوک (عشق‌آب