1800. Fourth edition. 648 pages. No dust jacket. Fully bound brown leather with gilt. Black and white fold-out illustration plate. Ex libris plate at front. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have heavy wear with bumped and abraded corners. Spine ends similarly worn and spine itself scuffed and split. Gilt slightly dulled. Board surfaces scratched and rubbed.