what is difference between hectograph and heliotype
From hecto- + -graph, so called because it would make about 100 copies.
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.
hectograph (third-person singular simple present hectographs, present participle hectographing, simple past and past participle hectographed)
- To duplicate (a document) by this process.
helio- + -type
heliotype (plural heliotypes)
- A picture obtained by the process of heliotypy.
heliotype (third-person singular simple present heliotypes, present participle heliotyping, simple past and past participle heliotyped)
- To produce pictures by heliotypy.