1934. Reprint. 176 pages. No dust jacket. Green cloth. Contains black and white diagrams throughout. Pages are mildly tanned and foxed, but text remains clear. Mild marking to some pages throughout; text is not obscured. Binding is firm. Previous owner's inscription to front free endpaper. Boards have heavy shelf-wear, with visible corner bumping and noticeable scuffing to edges. Spine is slightly sunned, with noticeable crushing and slight splitting to ends. Moderate rubbing and scuffing overall, with visible marking also. Boards are slightly bowed.