1952. First Edition. 303 pages. Pictorial dust jacket over blue cloth. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Minor pencil inscriptions to front free endpaper. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Book has slight forward lean. Clipped jacket has light edge wear with minor tears, chipping and creasing. Spine noticeably sunned.