Subtractive 3 color: dye coupling or chromogenic process, still photography
“In 1941 Kodak introduced a printing service for wallet-size Minicolor prints on a white opaque support of pigmented acetate made from 35mm transparencies (Fig. 5.6). A similar product called Kotavachrome was designed for larger prints made ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 165.
Subtractive 3 color: dye diffusion process, still photography
“Kodak Instant Print Film PR-10 was based on a dye release system that used ballasted preformed dyes and reversal emulsion instead of dye developers and negative emulsion. Processing started when the film passed between pressure rollers that ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 242.
Subtractive 3 color: dye diffusion process, still photography
“In 1981 Eastman Kodak introduced an innovative product, Ektaflex PCT (Photo Color Transfer), which allowed photographers to instantly print enlarged negatives or transparencies. Up to this time only in-camera picture taking had been possible ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 246.
Subtractive 3 color: dye destruction process, silver dye-bleach, still photography
“Between 1934 and 1941 Eastman Kodak developed a silver dye-bleach printing material called Azochrome. In 1941 it announced the launching of Azochrome but held back the product at the onset of World War II. After the war, the company decided to ...
Subtractive 3 color: dye coupling (or Chromogenic) process, reversal, still photography and film
“Brand name for various reversal films from Eastman Kodak (full name: Eastman Ektachrome) based on the Eastman Colour process.
a) Ektachrome Commercial is a 16 mm film with flat gradation manufactured since 1958 for recordings from which ...
Subtractive 3 color: pigment process, still photography
“Dufaytissue materials, marketed by Dufay-Chromex Limited of London between 1941 and 1948, resembled Belcolor and were used to produce color prints by contact. After they had been sensitized and dried, the pigment films were exposed by contact ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 89.
Additive 3 color: regular mosaic screen, still photography
“To produce the Omnicolore color screen, a sheet of glass was coated with a layer of gelatin on which lines of greasy blue-violet ink were ruled. The space between the lines was dyed yellow. Lines of greasy light blue ink were then ruled at ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 29.
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 70.
Dr. Douglas Arthur Spencer (Color Photographs Limited of London)
Subtractive 3 color: pigment process, still photography
“Vivex prints were introduced by Color Photographs Limited of London in 1928. One of the most important features of this printing method, invented by Douglas Arthur Spencer (1902–1980), was the introduction in 1929 of cellophane, instead of ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 105.
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. Up ...
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). The tripack ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 137.
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 ...
Pénichon, Sylvie (2013): Twentieth Century Colour Photographs. The Complete Guide to Processes, Identification & Preservation. London, Los Angeles: Thames & Hudson, p. 10.