Beautifully illustrated magnum opus of great Renaissance theorist who reintroduced the glories of ancient architecture and applied musical and mathematical principles to achieve perfection of proportion in architectural design. Reprinted from extremely rare British edition. 68 black-and-white plate Beautifully illustrated magnum opus of great Renaissance theorist who reintroduced the glories of ancient architecture and applied musical and mathematical principles to achieve perfection of proportion in architectural design. Reprinted from extremely rare British edition. 68 black-and-white plates.