Photochrom, Photochrome, Fotochrom or the Aäc process is a process of colorizing from a single black-and-white negative with subsequent photographic transfer onto lithographic printing plates. The process is a photographic variant of chromolithography (color lithography).
Photochrom, Photochrome, Fotochrom or the Aäc process is a process of colorizing from a single black-and-white negative with subsequent photographic transfer onto lithographic printing plates. The process is a photographic variant of chromolithography (color lithography).
Source: Wikipedia "Photochrom" · CC BY-SA 4.0
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