Table of Contents

Contents: Intuition and the springs of structural invention; The springs of invention revisited; The role of tradition in the development of form in domes, shells, and space structures; Structural theory and design before 1742; Developments in structural design since the seventeenth century especially in Britain; Structural analysis, structural insights, and historical interpretation; On the structure of the Roman Pantheon; The structure of the church of St Sophia, Istanbul; The reconstruction of the tympana of St Sophia at Istanbul; Hagia Sophia: Justinian’s Church of Divine Wisdom, later the Mosque of Ayasofya, in Istanbul; Hagia Sophia’s first dome; The structural conservation of Hagia Sophia: past history and present needs; The first and second churches of San Marco reconsidered; Squinches and pedentives: comments on problems of definition; Westminster Hall roof; Brunelleschi’s dome of S. Maria del Fiore and some related structures; Brunelleschi’s dome; The dome of St Peter’s: structural aspects of its design and construction and inquiries into its stability; Sinan’s Suleymaniye Mosque and Justinian’s Hagia Sophia; Designs for ribbed vaults by Guarini and Leonardo; The reinforced flat arches of the east colonnade of the Louvre; The Eddystone Lighthouse; Additional notes and comments; Index of subjects; Index of buildings; Index of persons.