1934. No edition remarks. 608 pages. No dust jacket. This is an ex-Library book. Pictorial cloth covered boards. Black and white photographs and diagrams. Ex library copy with associated labels, inserts, stamps and annotations. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding slightly loose. Some marginalia. Boards have heavy shelf wear with bumping and fraying to corners and crushing, fraying and tearing to spine ends and edges. All surfaces tanned and sunned, particularly spine. Some additional moderate marks and staining.