HECTOGRAPH
hectograph, heliotype
(noun) duplicator consisting of a gelatin plate from which ink can be taken to make a copy
hectograph
(verb) copy on a duplicator; “hectograph the hand-outs”
Source: WordNet® 3.1
Etymology
Noun
hectograph (plural hectographs)
(historical) An old printing machine 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.
Synonyms
• jellygraph
Verb
hectograph (third-person singular simple present hectographs, present participle hectographing, simple past and past participle hectographed)
To duplicate (a document) by this process.
Source: Wiktionary
Hec"to*graph, n. Etym: [Gr. -graph.]
Definition: A contrivance for multiple copying, by means of a surface of
gelatin softened with glycerin. [Written also hectograph.]
Source: Webster’s Unabridged Dictionary 1913 Edition