1950. Reprinted. 215 pages. No dust jacket. Red cloth covered boards. Black and white photographs and diagrams. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Previous owner's name to front pastedown. Heavy pen inscriptions to rear endpapers. Some page corners folded. Boards have light shelf wear with minor corner bumping and crushing to spine ends. All surfaces tanned and sunned, particularly spine. Boards are slightly bowed.