albertype artist lithography book printing chromotypography chromotypy chromoxylography collotype color printing coloration coloring dyeing electronography electrostatic printing emblazonry graphic arts gravure halftone engraving history of printing illumination job printing letterpress letterpress photoengraving line engraving lithogravure lithophotogravure mimeograph offset offset lithography onset palaeotypography photo-offset photochemical process photoengraving photogelatin process photographic reproduction photography photolithography phototypography phototypy photozincography pigmentation planographic printing planography printing printmaking publication publishing relief printing rotary photogravure rotogravure sheetwork staining stencil three-color printing tinction tinging tinting two-color printing typography typolithography wood-block printing xerography xeroprinting xylotypography zincography