Prism
Original Technical Papers and Primary Sources
Anonymous (1909): Patents’ Specifications Pfenninger. In: The Bioscope, 160, Nov., pp. 31, 33. View Quote
Secondary Sources
Klein, Adrian Bernhard = Cornwell-Clyne (1940): Colour Cinematography. Boston: American Photographic Pub. Co.. 2nd revised edition, on p. 7. View Quote
Wall, E.J. (1925): The History of Three-color Photography. Boston: American Photographic Pub. Co., on pp. 588–589. View Quote
Downloads
Patents
E.P. 322 (Pfenninger, Otto; filed Jan. 7, 1905; granted Nov. 23, 1905)
Download PDFE.P. 5,945 (Pfenninger, Otto; filed Mar. 12, 1909; granted Oct. 7, 1909)
Download PDFE.P. 25,908 (Pfenninger, Otto; filed Nov. 16, 1906; granted July 4, 1907)
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