Hectography is a printing process that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame. A machine employing this process is a hectograph, also known as a gelatin duplicator or jellygraph.
Hectography is a printing process that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame. A machine employing this process is a hectograph, also known as a gelatin duplicator or jellygraph.
Source: Wikipedia "Hectography" · CC BY-SA 4.0
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