Plain directions for obtaining photographic pictures by the calotype, energiatype, and other processes on paper, including the chrysotype, cyanotype, chromotype, etc. etc. with all the latest improvements.
London: T. & R. Willats, 1851. Fourth edition with additions. 16mo., 48 pp., errata, illustrations. Half morocco and cloth with original front wrapper bound in. Slight staining and soiling, with creasing to a few leaves and the blank margin of 4 leaves trimmed 1/8 inch shorter than the remainder of..... More