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. Although the title implies that this manual was designed for..... More