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 88
83 THE GRAMMAR OF PHOTO ENGRAVING. use. It is far superior to the hand saw, cutting quicker and without danger of bending the zinc out of shape. They are best made out of an old file by bending into a Y-shaped edge … Fig. 33 similar to a lozenge graver. The teeth of this file can be left unchanged and be used to smooth the sharp edge left on the zinc after cutting, thus having two tools in one. Gas Oven. Large gas ovens used to heat the zinc during etching are the best ; with them an even temperature over the…
Photoengraving
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
