Rome: Carlo Barbiellini, 1771. Third. hardcover. With 18 copper engravings including a frontispiece and 3 folding plates and many text illustrations throughout. Rubricated title page. Over 500 pages, printed in double columns with wide margins, small water stain at the back. Thick 4to, full vellum, lightly soiled. Rome: Carlo Barbiellini, 1771. Third Edition. An amazingly clean tight copy. very good(+).