bn:01162382n
Noun Concept
Categories: Postcards, Printing, Articles with short description, Swiss inventions, Photographic techniques
EN
photochrom  Aac process  Aäc  Aäc process  phostint
EN
Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via the direct photographic transfer of the negative onto lithographic printing plates. Wikipedia
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EN
Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via the direct photographic transfer of the negative onto lithographic printing plates. Wikipedia
Process for producing colorized images from black-and-white photographies Wikidata
A colorized image produced from black-and-white photographic negatives via the direct photographic transfer of a negative onto lithographic printing plates. Wiktionary
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