process of transferring a drawing on paper to a zinc plate
• (n.) The process of multiplying copies of writings, etc., by means of the papyrograph.
Pap`y·rog'ra·phy noun The process of multiplying copies of writings, etc., by means of the papyrograph. -- 
papyrography, papyrograph A term applied to a process of writing or drawing on paper and transferring the design to a zinc plate whence it is printed.