1955. No edition remarks. 99 pages. No dust jacket. This is an ex-Library book. Red 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. A previous owner's name redacted on title page. Front free endpaper missing. Boards have light shelf wear with minor corner bumping and crushing to spine ends. All surfaces heavily tanned, particularly spine. Gilt lettering to spine is slightly dulled.