1966. No edition remarks. 123 pages. No dust jacket. This is an ex-Library book. Red cloth covered boards with gilt. Black and white and colour photographic plates and black and white diagrams. Ex library copy with associated labels, inserts, stamps and annotations. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. Some moderate marks and staining to surfaces.