1946. No Edition Stated. 317 pages. No dust jacket. Red cloth. Contains black and white diagrams and photographs. Pages are mildly tanned and foxed, but text remains clear. Binding is firm. Boards have light shelf-wear, with mild corner bumping and minimal scuffing to edges. Spine and edges are moderately sunned, with mild crushing to ends. Light rubbing and scuffing overall, with other small noticeable marks.