1957. First Edition. 510 pages. No dust jacket. This is an ex-Library book. Blue 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. Some cracking to gutters with exposed netting. Binding loose. Boards have moderate shelf wear with mild 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 marks and staining to surfaces.