Chromotypograph refers to any number of obsolete graphic arts or printing processes which used cold and warm rinse etching baths to create surfaces by which color images could be relief printed from zinc plates in the letterpress manner. Chromotypograph is the preferred description for a number of process which include but are not limited to photo color relief, gillotage, chromotype, color relief etching, zincography, chromoxylography, color line block, glyptotype, Dallastint, Dallastype.