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 166
nged to revolve through anynumber of degrees as required. The positives arethen placed successively in the kit and turned asrequired to sixty degrees for the exposure. If thepositives are properly placed as regards right andleft, it will not, of course, be necessary to reversethe negatives. An… … ZINC ETCHING—WITH GRAIN EFFECT.Drawn by Fred Richardson. MANUAL OF PHOTO-ENGRAVING. 113 any parts which are desired to appear extra lightbeing- corrected with the tool. Perfect register isessential in printing these plates to obtain correctresults. The yellow is printed first, the red super-posed…
Photoengraving · Color photography
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