1964. No Edition Remarks. 104 pages. No dust jacket. This is an ex-Library book. Blue cloth covered boards with gilt. Black and white diagrams throughout. Ex library copy with associated labels, inserts, stamps and annotations. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. Boards have light shelf wear with minor corner bumping and crushing to spine ends. Some marks and staining to surfaces. Gilt lettering remains bright and clear.