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calotype
calotype (ˈkæləʊˌtaɪp) n1. (Photography) an early photographic process invented by W. H. Fox Talbot, in which the image was produced on paper treated with silver iodide and developed by sodium thiosulphite2. (Photography) a photograph made by this process[C19: from Greek kalos beautiful + -type]calotype
calotype[′kal·ə‚tīp] (graphic arts) An obsolete method of photography in which paper is treated with silver iodide, silver nitrate, and acetic and gallic acids; after exposure the paper is developed in a solution of silver nitrate and gallic acid. |