A manual of photo-engraving : containing practical instructions for producing photo-engraved plates in relief-line and half-tone with chapters on dry plate development and half-tone color work (1896)
Jenkins, H. (Harry), 1868- · Chicago : Inland Printer · leaf 58
her line or half-tone work : Alcohol 8 ounces Ether 10 Iodide of ammonium 30 grains cadmium 50 Chloride of calcium 10 strontium 10 Gun cotton 80 Either of the chlorides may be omitted. Thegun cotton should be easily soluble. AnthonysRed Label is recommended. To prepare the collodion dissolve the… … HALF-TONE— 150-LINE SCREEN.
Photoengraving · Color photography
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
