The grammar of photo-engraving : containing instruction in drawing, chemistry and optics, as applied to photo-engraving, and a practical treatise on the art of half-tone, zinc etching, swelled gelatine, lithotype and chalk plate engraving, as practiced in the United States (1895)
Farquhar, H. D. (Harry D.), Eder, Josef Maria, 1855-1944 · London : Dawbard & Ward · leaf 97
92 the grammar of photoengraving. Powdering. Etching powder is now applied to the print by holding the plate on the edge with both hands, holding in a perpendicular position, scrape the edge which was nearest to you on the bot- tom of the box, carrying the powder in front of it to the side of the… … Fig. 40 of the plate to fall over the entire print and then off into the box again. Now dust off the surplus powder with a soft felt brush — what is known as fitch-flowing is the best. With a flat camel-hair brush remove the remaining fine powder, dusting well in all directions. The plate is next…
Photoengraving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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