Papyrograph

Pa`pyr´o`graph


n.1.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.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.