1965. First Printing. 230 pages. Paperback book with pictorial paper covers. Contains black and white diagrams throughout, with photographic plates to centre of textblock. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Paper cover has mild edge-wear with light rubbing and creasing. Some light marking and sunning.