1886. Revised Edition. 403 pages. No dust jacket. Green cloth with gilt lettering to spine. Black and white fold-out diagram frontispiece, with other diagrams throughout. Pages are mildly tanned, but text remains clear. Noticeable marking to some pages throughout; text is not obscured. Binding is firm. Previous owner's inscription to front free endpaper. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine is slightly tanned, with noticeable crushing and slight splitting to ends. Moderate rubbing and scuffing overall. Gilt remains bright. Book has a noticeable forward lean.