Copygraph

• POS: Noun
• HYPHEN: cop=y=graph

CIDE DICTIONARY

Copygraph, n. 

 A contrivance for producing manifold copies of a writing or drawing; -- made obsolete by later developments in copying technology; see xerography.  [1913 Webster]
" The writing or drawing is made with aniline ink on paper, and a reverse copy transfered by pressure to a slab of gelatin softened with glycerin. A large number of transcripts can be taken while the ink is fresh."  [1913 Webster]
"Various names have been given to the process [the gelatin copying process], some of them acceptable and others absurd; hectograph, polygraph, copygraph, lithogram, etc."  [1913 Webster]