photoglyphic

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CIDE DICTIONARY

photoglyphic, a. [Photo- + Gr. to engrave.].

Pertaining to the art of engraving by the action of light. [1913 Webster]

Photoglyphic engraving, a process of etching on copper, steel, or zinc, by means of the action of light and certain chemicals, so that from the plate impressions may be taken. Sir D. Brewster.

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