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 160
is called orthochromatic, fromthe Greek words meaning correct and color. COLOR PLATES. Instead of sensitizing and exposing the plate toobtain the effect of all the colors, it may be ren-dered sensitive to certain rays and others excluded * The effect of a pure red or yellow would be practically the… … VIGNETTED HALF-TONE —133-LINE SCREEN.With tint background. MANUAL OF PHOTO-ENGRAVING. 109 during- exposure by means of a properly dyed colorfilter. We can then make from any colored objectthree negatives, one of which shall have beenaffected by the red rays, one by the green and oneby the…
Photoengraving · Color photography
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
