MODERN HELIOGRAPHIC PROCESSES: A MANUAL OF INSTRUCTION IN THE ART OF REPRODUCING DRAWINGS, ENGRAVINGS, MANUSCRIPTS, ETC., BY THE ACTION OF LIGHT; FOR THE USE OF ENGINEERS, ARCHITECTS, DRAUGHTSMEN, ARTISTS AND SCIENTISTS. Ernst Lietze.

MODERN HELIOGRAPHIC PROCESSES: A MANUAL OF INSTRUCTION IN THE ART OF REPRODUCING DRAWINGS, ENGRAVINGS, MANUSCRIPTS, ETC., BY THE ACTION OF LIGHT; FOR THE USE OF ENGINEERS, ARCHITECTS, DRAUGHTSMEN, ARTISTS AND SCIENTISTS.

NY: D. Van Nostrand, 1888. First ed. Small 4to., viii, 143 pp., 4 pp. adverts.; 10 tipped-in "specimen heliograms" and 32 illustrations in text. Cloth, with moderate wear at the spine ends. A few scattered stains, else very good copy. Item #31651

Although the title implies that this manual was designed for use in methods of reproduction, which is true, it also is a formulary of great value to the contemporary photographer interested in reproducing the processes used in the nineteenth century. Included are Talbot's Calotype, various silver salt processes, iron salts, blue prints, direct positive prints, platinum, uranium, gum, gelatin, carbon, etc. Complete instructions needed to sensitize, develop, tone and wash. With 10 mounted examples of uranium, blue prints, negative blue print, and various silver prints. Limited to 1000 copies.

Price: $600.00