1947. No Edition Remarks. 80 pages. No dust jacket. Green cloth. Contains colour photographic plates throughout. Colour diagrams to rear of textblock, separate from pagination. Pages and plates are mildly tanned, but text and images remain clear. Binding is firm. Boards and spine have minimal shelf-wear, with mild corner bumping and crushing to ends. Spine and edges are heavily sunned. Small but noticeable marks overall.