“Lumière Alticolor (1952–1955): rolls and pack films on celluloid base. Alticolor starch grains are smaller but of less regular shape than those used in Filmcolor (Fig. 2.74). There are no black pigment particles; therefore, Alticolor ...
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Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 76.