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 126
nd wash immedi-ately under the tap. If upon further examinationthe dots appear large enough to stand more,return the plate to the solution and continue theetching. When finally the action has proceededfar enough, rinse the plate, clean with solution ofchromic acid, rinse again, clean the asphalt… … ^Ffagf ZINC ETCHING.From pencil and pen drawing- by Farny. Copyrighted. By courtesy The Ault & Wiborg Co., Cincinnati, Ohio. MANUAL OF PHOTO-ENGRAVING. 85 manner, and given a bite deep enough for printing-.It is then dried and the face painted in solid withthe asphalt or transfer ink, the edge…
Photoengraving · Color photography
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
