Londini: Pro Societate Stationariorum Impreffain, 1702. 8vo. Marbled boards with cloth spine (rubbed with mark on front cover). (668pp.). Front and back end-papers trimmed. Water damage throughout, heavier at back of book. Title-page and end-page age toned. Some pen markings throughout. Pp. 665 torn, not affecting text. Previous owner's name on title-page. NOTE: An early printing of the Gradus, a dictionary of prosody and poetic phrases.