Dunning Color

Subtractive 3 color: Beam-splitter, double-coated

Dugromacolor

Additive 3 color: Beam-splitter, substandard

1 Image

Dufaytissue

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 ...

1 Image

Dufaycolor reversal

Additive 3 color: Line screen (réseau), 16 mm, reversal
(see detail page on Dufaycolor)

Dufaycolor

Additive 3 color: Line screen (réseau), 35 mm and 16 mm, reversal and negative-positive stock, still photography and film

Dufaycolor was a regular line screen process whereby the incident light was filtered through a pattern of tiny color patches created by lines in red, green and blue, the so called réseau.

231 Images in 9 Galleries

Dufay / Dioptichrome-B

Additive 3 color: regular mosaic screen, combined system, still photography
“In 1907 the French lawyer Louis Dufay (1874-1936) patented a system whose screen pattern was obtained by the combined use of dichromated colloids, greasy printing inks, and imbibition. To take a photograph, the screen was mounted in a metallic ...

1 Image

Dufay / Dioptichrome Plate (sometimes incorrectly referenced as Dioptochrome)

Additive 2-4 color: line screen plate (réseau), still photography and early experiments with film
(see detail page on Dufaycolor)

8 Images

Dufay / Dioptichrome

Additive 3 color: regular mosaic screen, separate system, still photography
“In 1907 the French lawyer Louis Dufay (1874-1936) patented a system whose screen pattern was obtained by the combined use of dichromated colloids, greasy printing inks, and imbibition. To take a photograph, the screen was mounted in a metallic ...

1 Image

DuChrome

Additive: spatial synthesis

Douglass Color No. 2

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 ...

Douglass Color No. 1

Additive 2 color: Rotary filter
“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 ...

3 Images

Donisthorpe

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 ...

Defender Pan-Chroma-Relief

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 ...

Dascolour

Subtractive 2 color: Bi-pack, double-coated print

1 Image

Curtis Orthotone

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 ...

1 Image

Curtis Neotone

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 ...

Crosene Process

Additive 4 color: Bi-pack, substandard

Crawford Flexichrome 1940–1942, after 1949 Kodak Flexichrome

Subtractive 3 color: hybrid dye imbibition process, still photography and film
“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. Results obtained ...

1 Image

Cox Multicolor

Additive 2 color: Rotary filter

Cosmocolor

Additive 2 color: Beam-splitter, double-coated

2 Images

Copycolor

Subtractive 3 color: dye diffusion process, still photography
“Agfa-Gevaert developed its own instant printing materials during the 1980s, Agfachrome-Speed and Copycolor, both introduced commercially in 1983. Agfachrome-Speed was a single-sheet integral print material, whereas Copycolor was a peel-apart. ...

Condax-Dytrol

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, ...

Columbiacolor

Subtractive 3 color: Chromogenic monopack, Eastman Color

Colorvision

Additive 3 color: Beam-splitter

Colorsnap, Colorol

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 ...

1 Image

Colorgraph / Cinecolorgraph

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 ...

1 Image

Colorcraft

Additive 2 color: Bi-pack, double-coated

21 Images in 1 Gallery

Coloratura

Subtractive 2 color: Bi-pack, dupitized positive, toned
“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, ...

Color theory

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, ...

1 Image