1947. Reprinted. 220 pages. No dust jacket. Brown cloth covered boards with gilt. Black and white diagrams throughout. Rough cut edges to textblock. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Some cracking to gutters with exposed netting. Binding loose. A previous owner's name to front free endpaper. Some page edges torn and folded. 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. Some additional marks and some holes in front board.