Halle a. Salle: Wilhelm Knapp, 1902. First ed. 8vo., [vi], 155 pp., 8 b&w photographic illustrations, figures in text. Plain cloth with marbled paper over boards, with handwritten paper spine label, original printed wrappers bound in. Previous owner's pencil underlining, marks and notations in the margins. A very good copy. Item #31114
A comprehensive formulary of developers for bromine based plates.
Roosens and Salu No. 3072.