DUOTYPE
Source: 567
Du″o‐type (?), n. [[L. duo two + type.]] (Photoengraving) A print made from two half-tone plates made from the same negative, but etched differently.
Source: 567
Du″o‐type (?), n. [[L. duo two + type.]] (Photoengraving) A print made from two half-tone plates made from the same negative, but etched differently.