1948. Third Edition. 1025 pages. No dust jacket. Black cloth. Contains black and white photographic plates, with fold-out chart. Pages are lightly tanned and foxed throughout. Minor pencil inscription to front free endpaper. Fold-out chart has moderate tearing to edges. Light scuffing to text-block edges. Binding is slightly shaky. Boards have heavy edge wear with bumping to corners and rub wear all over. Crushing to spine ends with small splits and fraying to cloth. Moderate tanning to spine and edges. Scuffing and light marking overall. Light creasing to spine strip.