1935. No Edition Stated. 601 pages. No dust jacket. Red cloth with gilt lettering to spine. Contains black and white illustrations and diagrams throughout. Pages are mildly tanned and foxed, heavier to edges, but text and images remain clear. Binding is firm. Pencil inscription to front free endpaper. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine and edges are heavily sunned, with mild crushing to ends. Heavy rubbing and scuffing overall. Book has a minor backwards lean.