The modern practice of retouching negatives, as practiced by French, German, English & American experts (1889)
Piquepe, Paul · New York : The Scovill & Adams Company, 423 Broome Street · leaf 9
CHAPTEE II. MATERIALS NECESSARY FOR NEGATIVE RETOUCHING. The first thing wanted is an easel on which to work. This should be a piece of fine ground glass in a frame, on which the negative is placed. The bottom of this frame has hinges as well as the top, which retain a cover of wood kept open by… … same size as the ordinary photographic glasses, and fitting one into the other, stop completely the light round the negative. A little m.ovable rule goes up and down in front of the ground glass, and serves as a rest for the hand of the retoucher. This easel should be put upon a table before a…
Photography · Photography -- Retouching
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten15unit-609-341.webp)
