The Collaborative International Dictionary
Papyrograph
Papyrograph \Pa*pyr"o*graph\, n. [Papyrus + -graph.] An apparatus for multiplying writings, drawings, etc., in which a paper stencil, formed by writing or drawing with corrosive ink, is used. The word is also used of other means of multiplying copies of writings, drawings, etc. See Copygraph, Hectograph, Manifold. [Obsolescent]