1951. No edition remarks. 260 pages. No dust jacket. Blue cloth covered boards with gilt. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding slightly loose. A previous owner's name to front free endpaper. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Gilt lettering to spine is dulled but remains brighter on front. Book has slight forward lean.