1933. No Edition Remarks. 154 pages. No dust jacket. Blue cloth covered boards with gilt. Black and white diagrams throughout. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Small bookshop label to front pastedown. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned, particularly spine. Gilt lettering to spine is slightly dulled. Some additional marks and staining to surfaces.