Direct color photography: Interference, still photography
“In 1891, Professor Gabriel Lippmann demonstrated to the French Académie des Sciences interference colour photographs of the spectrum and of stained glass windows, taken by a modification of Wiener’s method. An exceedingly fine grained, ...

5 Images

Silver dye-bleach

Subtractive 3 color: Dye-bleach
“Probably the first use of the catalytic property of silver was in 1889, when E. Howard Farmer disclosed the action of a silver image upon strong dichromate solutions (Eng. P. 17773/89). When a plate or film, containing a silver image, is immersed ...

Sensitizing theory

Color theory
“Dr. H. W. Vogel, the discoverer of colour sensitizers, made three-colour photography possible, and has been the first to recognise the relation between colour sensitiveness of plate and printing colour in the following principle made known in ...

Hydrotypie / Hydrotype / dye transfer

Subtractive 3 color: Dye transfer, still photography
“In the imbibition process, a dye image is transferred from a gelatin relief image to a receiving layer made either of paper or film. Charles Cros described this method of “hydrotypie” transfer printing in 1880 and suggested it ...

1 Image

Orthochromatic stock

b/w photography: Orthochromatic b/w stock
“In 1873 Dr Vogel discovered that by adding dyes to the sensitive material, its sensitivity could be extended, so that it would record green as well as blue. The new ‘orthochromatic’ plates were available commercially from 1882. The ...

2 Images

Proposal of a variety of processes of three-color photography

Theory: still photography
“Louis Ducos du Hauron is reported to have become interested in the reproduction of colors by photography in 1859, when he was twentyone years old (Potonniée, 1939). In 1862 he submitted to a friend of his family, M. Lelut, a paper embodying ...

2 Images

Proposal of a variety of processes of three-color photography

Description of a variety of color processes, even for images in motion by the use of a rotary shutter.

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

Trichromatic vision

Theory: Color vision
Theory of trichromatic vision proposed by Thomas Young.

Kingston Process

Additive three color process: rotary filters
Three black-and-white color separations were printed consecutively on one film strip and projected through the corresponding color filters, thus combining to one color image on screen.

Autotype Dyebro

Subtractive 3 color: dye imbibition process, still photography
“Autotype Dyebro Introduced around the same time as Colorsnap and Uvatype, Autotype Dyebro combined the three-color carbro and dye imbibition processes. The method was invented by Owen Wheeler (1859–1932) and commercialized by the Autotype ...


Subtractive 3 color: pigment process, still photography
“Introduced in the mid-1930s by George Murphy, Inc., of New York City, Belcolor was considered one of the simplest ways to obtain color transparencies, as it required no special equipment or expert technique and could be used successfully ...


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, ...