1913. No edition remarks. 986 pages. No dust jacket. This is an ex-Library book. Blue cloth covered boards with gilt. Black and white photographs and diagrams. Book has been rebound by library, with expected inserts, stamps and inscriptions. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding slightly loose. Title page detaching. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Gilt lettering to spine is slightly dulled. Some additional moderate marks and staining.