"4. Paris, Chez De Bure Frères, 1829, in-8°, (4)nn pp + 130 pp + (1)nn pp (errata) + (3)nn pp (bl) + 5 typographical plates (one with a handcoloured vignette). Bound in contemporary paper covered boards. Gilt title on smooth spine; First pages with a few tiny foxing spots but still a fine copy. With the stamp of the Brussels' antiquarian bookdealer A. Van Loock on the first paste down. Fine copy of the first and original edition of a very rare study on the printer of the first books in the English language. Mansion was also in contact with the first English printer Caxton.."