London: Sampson Low, Marston & Company, 1876. Third edition. 8vo., viii, 196 pp., original Woodburytype frontispiece, illustrations in text, adverts. Cloth. Ex-library with stamp on endpaper, envelope on pastedown, numbers on spine but no other markings. Rubbed along the hinges, else very good. Item #26451
Photomechanical techniques and detailed information on a wide variety of negative and positive printing processes. The original photograph was made by the Woodburytype process by the author.