“In 1944 he launched a new reflection printing material on a white-pigmented acetate base called Gasparcolor Opaque, which was, initially and for the duration of the war, available only to the U.S. military. The processing of Gasparcolor Opaque ...
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Source: Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 235.
- Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 228.
