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hectograph (The hectograph, gelatin duplicator or jellygraph 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.  wikipedia.org) | |||
| gelatin printing | |||
| transfer process (способ плоской печати с бумажного листа) | |||
| spirit duplicating; spirit duplication | |||
| hectography | |||
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