1940. No Edition Stated. 87 pages. No dust jacket. Blue cloth with gilt lettering. Black and white photographs and diagrams throughout. Pages are lightly tanned and foxed, but text and images are clear. Binding is slightly shaky, but all pages remain attached. Deckled edges. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine and edges are moderately sunned, with visible crushing and noticeable splitting to ends. Heavy rubbing and scuffing overall. Visible marks of various kinds overall, including water staining to rear.