1936. No Edition Remarks. 160 pages. No dust jacket. Blue paper covered boards with purple cloth to spine. Contains black and white diagrams throughout. Pages are moderately tanned and foxed, but text remains 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 is moderately tanned, with noticeable splitting and loss to ends. Heavy rubbing and scuffing overall, with visible marking also.