Inside Out Library · Explore

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 59

An illustration from 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, leaf 59
54 THE GRAMMAR OF PHOTO-ENGRAVING. Pkisms. In order to save turning films, prisms can be used to ad- vantage. They are made of one solid mass of glass, with sil- vered hypothenuse. They are fitted to the lens with a rotary flange, which allows being turned and fixed at any any angle, Fig. 26. Fig.… … Fig. 27 Bath-holders made of India rubber are used occasionally, but the organic matter will be attacked in time by the silver nitrate,

Photoengraving

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

More pictures from 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

More like this