The practical printer : a complete manual of photographic printing (1874)
Hearn, Charles W · Philadelphia : Benerman & Wilson · leaf 223
ROBINSON’S Photograph Trimmer, SAVES TIME, SAVES PRINTS, AND SAVES MONEY. See what is said on -page 98 of this work. … A TRIMMER MAILED FOR $3. BO. The difficulty of procuring exactly true guides for cutting out prints has induced the inventor to put up machinery for the production of all styles of them, guaranteed mathematically true, and to be known as ROBINSON'S IMPROVED GUIDES. Oval, round, and square, of all…
Photography -- Printing processes · Photographs on porcelain
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
