1952. Second impression. 501 pages. No dust jacket. Red cloth covered boards with gilt. Black and white photographs and diagrams. Pages remain bright and clean with minimal tanning and foxing. Binding slightly loose. Some page corners bent. 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 strongly dulled.