First edition, first printing. xvi, 238pp, with diagrams and illustrations in text. Blue cloth-covered boards with silver lettering front and spine. 8vo. An ex university reference library copy with the usual markings on the front endpapers, call number on spine, small stamp on the title, copyright and last page, label on rear paste down. Cloth is a little worn, gently rounded at corners and spine ends. Internally neat, clean, bright and tight barring the library markings.
