1907. Reprinted. 579 pages. No dust jacket. Blue cloth with black lettering. Contains black and white diagrams throughout. Pages are mildly tanned, but text remains clear. Binding is firm. Previous owner's inscription to title page. Boards have light shelf-wear, with minor corner bumping and minimal scuffing to edges. Mild crushing to spine ends. Light rubbing and scuffing overall, with a few small noticeable marks. Forward lean.