iv, 240, viii pp, with many black and white plate illustrations, technical drawings and designs etc. Half bound in brown leather over brown pebbled cloth, gilt titles on spine. Brown, patterned endpapers. Red speckled text block edges. 8vo. Covers are worn, marked (especially along lower edges), gently rubbed and rounded at corners and spine ends. Internally there is some mild spotting and a little discolouration at extreme page margins on first and last few leaves only else internally neat, clean, bright and tight.
