1967. Facsimile edition. 608 pages. No dust jacket. This is an ex-Library book. Black cloth covered boards with gilt. Black and white photographs and diagrams. Ex library copy with associated labels, inserts, stamps and annotations. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Gilt lettering to spine is slightly dulled.