Subtractive 2 color: Separations, multi-layer prints
“Douglass Color No. 2 (1919). The two negatives of the Douglass Color system No. 1 were printed on a positive. In this updated version of the process, rather than projecting the frames through red and green filters, both latent images were ...
“This two-color additive system for color cinematography was invented in 1916 by Leon Forrest Douglass of San Rafael, California. A special beam splitter camera would advance each roll of film two frames per exposure with its double frame pull down ...
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press. Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press. Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich.
Additive two color process: rotating filters and toning
The film is recorded through alternating red and green filters, creating two color separations. After development, the print is placed in two alternating dye-baths, toning the blacks green and the whites red. Additionally, a black-and-white copy is ...
Subtractive 3 color: dye imbibition process, still photography
“In 1942 Defender Photo Supply Company of Rochester, New York, introduced a panchromatic matrix film called Pan-Chroma-Relief Film, which simplified the making of dye imbibition prints from original Kodachrome or Ansco Color transparencies.20 ...
Subtractive 3 color: dye imbibition process, still photography
“In 1939 Thomas S. Curtis (1889–1964) proposed Orthotone, a dye imbibition printing method that was primarily a variation of the widely used Eastman Wash-Off Relief. Orthotone offered its practitioners complete control on the contrast or ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 142.
Subtractive 3 color: dye mordanting process, still photography
“In 1939 Thomas S. Curtis of Huntington Park, California, introduced Curtis Neotone, a simple dye mordanting printing method for the production of color prints or transparencies from color separation negatives. With Curtis’s method, a ...
Jack Crawford, Crawford Flexichrome Company (Eastman Kodak Company)
Subtractive 3 color: hybrid dye imbibition process, still photography
“In the 1940s a product called Crawford Flexichrome appeared on the market. It allowed photographers to obtain prints or transparencies in full color by simply applying dyes of various colors by hand to a gelatin relief image.16 Results ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 145.
Credit: Illustration by Sarah Steinbacher, Multimedia & E-Learning-Services, University of Zurich. Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Source: Ryan, Roderick T. (1977): A History of Motion Picture Color Technology. London: Focal Press.
Louis M. Condax, Condax-Speck, Inc., New York, Robert P. Speck
Subtractive 3 color: dye imbibition process, still photography
“Around 1940, Condax-Speck, Inc., of New York started to market dyes and mordant for the Condax-Dytrol system of dye imbibition printing (Fig. 4.19). The system, developed by company owners Louis M. Condax (1897–1971) and Robert P. Speck, ...
Subtractive 3 color: dye imbibition process, still photography
“In 1929 the London firm Colour Snapshots Limited introduced Colorsnap, a printing service based on the dye imbibition process for a tripack roll film called Colorsnap and manufactured by Ilford Ltd. (Monopolies Commission 1966).11 The tripack ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 137.
Subtractive 2 color: Beam-splitter, double-coated film
“The principle of the subtractive colour process was described first by Louis Ducos du Hauron in 1868.
Although eminently suitable for colour motion pictures, the principle could not be applied until means were found of producing several colour ...
“Coloratura. This is the process of Pathé Exchange at Bound Brook, N. J. Negatives are made by the bi-pack method. Prints are made on double-sided film and are dye-toned on one side and metallic-toned on the other. The double-sided film, ...
Additive 3 color: Additive 3 color, still photography
“In a lecture on the theory of three primary colors, given at the Royal Institution of Great Britain on May 17, 1861, Maxwell presented the first demonstration of a photograph in color. According to the records of that meeting (Maxwell, 1890c, ...
“The first two-colour additive method in which the two components were taken and projected simultaneously was the Colcin process, in 1913. The result of a Franco-Japanese collaboration, it was demonstrated at the International Kinematographic ...
Additive 2 color: Prism, rotary filter, double-sized film
“[…] pictures were taken side by side, full-size, on double-width film, the film not only being perforated on the edges but also down the centre between the pairs of images.”
(Klein, Adrian Bernhard = Cornwell-Clyne (1940): Colour ...
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“The materials and processes described thus far have been either unsuccessful or short-lived for one reason or another; the trend changed with the launch of Cibachrome in the 1960s. The product and its subsequent forms dominated the silver ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 216.