1902. No Edition Stated. 251 pages. No dust jacket. Textured black cloth. Red dyed textblock edges. Contains black and white diagrams throughout. Pages are lightly tanned, but text remains clear. Binding is firm. Slight clipping to front free endpaper, with pencil inscription also. Boards and spine have minimal shelf-wear, with minor corner bumping and crushing to ends. Light scuffing to edges and minimal rubbing overall.