containing propositions for describing geometrically the catenaria, and the extradosses of all curves, so that their several parts and their piers may equilibrate : also concerning bridges, and the flying buttresses of cathedrals : to which are added, in illustration, sections of Trinity Church, Ely; King's College Chapel, Cambridge; Westminster Abbey; Salisbury, Ely, Lincoln, York, and Peterborough Cathedrals

selected from our cathedrals and churches, for the purpose of bringing together, and preserving correct representations of the best historical illustrations extant, from the Norman conquest to the reign of Henry the Eighth

extracted out of original charters, records, leiger-books, and other manuscripts

shewing the principles of estimating their strength, proportions, expense, and annual produce, and the conditions which render them effective, economical, and durable

with a history of the art of bookbinding, from the times of the Greeks and Romans to the present day; interspersed with bibliographical references to men and books of all ages and countries