1933. First Edition. 288 pages. No dust jacket. Blue cloth with gilt lettering to spine. Contains black and white diagrams throughout. Pages are moderately tanned and foxed, but text remains clear. Binding is firm. Previous owner's inscription to front free endpaper. Deckled edges. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Noticeable crushing and slight splitting to spine ends. Gilt remains bright. Heavy rubbing and scuffing overall. Book has a slight forward lean.