Düsseldorf: Ed. Liesegang's Verlag, 1884. Eighth ed., revised. 8vo., 156 pp., illustrated. Newly bound in cloth-backed paper over boards with printed labels on front and spine; shortened original wrappers bound in. Item #30631
A manual of the carbon process and its applications; details on making enlargements.
Roosens and Salu No. 1604.