Coloriasto

Photo-Trichromatic Printing. Part III. Three-Colour Work. Historical Sketch. Explanation of the principle of the Process. Action of the selective Colour-Filters. Production of the Red, Yellow, and Blue Blocks.

Photo-Trichromatic Printing C. G. Zander Published by Raithby, Lawrence & Co., Ld., Leicester 1896 The old saying "there is not...