1961. First Edition. 243 pages. No dust jacket. This is an ex-Library book. Brown 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 loose. Front free endpaper missing. Boards have mild shelf wear with light rubbing and corner bumping. Some mild marking and tanning. Boards are slightly bowed.