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 66
TO PROGRESSIVE PHOTOGRAPHER?; … on application. Patented May 31, 1887. Improved Vignetting Attacliiiieiit For Vignetting the Negative. LIGHT, STRONG and PURABI I It is perfectly reliable and qui( adjusted to any lens by the means of a thumb-screw. It can be raised or lowered at will to any position desired by the operator, by…
Photography · Photography -- Retouching
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
![An illustration from Works. Popular edition.] 2 series (1886)](https://img.insideoutlibrary.com/img/200/bl-bl_003191336_5-348-1.webp)
