First edition, first impression. xii, 520, 8pp, illustrated with numerous line drawings and diagrams in text. Black cloth-covered boards with blind rules, gilt lettering on the spine. 8vo. Cloth is marked and worn, rubbed and rounded at corners and spine ends, spine annotated with a shelf number. An ex library copy with a small stamp on the front paste down and small stamp and pencil annotation on the copyright page (although no copyright asserted). Text block edges and endpapers a little toned else internally neat, clean, bright and tight.
