“In October 1935 Eastman Kodak Company introduced Eastman Wash-Off Relief. For years the company had been producing matrices and blank films for Technicolor motion pictures, and Kodak engineers were familiar with the requirement of the dye ...
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Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 140.