Revision history of "Hectograph"

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  • (cur | prev) 13:57, 21 February 2015Tgaitskell (talk | contribs). . (269 bytes) (+269). . (Created page with "The hectograph process was invented in Russia in 1869 by Mikhail Alisov. The gelatin duplicator or 'jellygraph' is a printing process which involves transfer of an original, prep...")