Krayn

Additive 3 color: Line screen and mosaic, still photography
“Another method of producing a line screen was patented in 1904 by the German Robert Krayn, and was demonstrated by him in November 1907. Krayn stained very thin celluloid sheets red, green and blue, and cemented them interleaved to form a thick ...

7 Images

Lascelles Davidson

Additive 3 color: Rotary filter
“Apparently, associated with W. Friese-Greene, in the same year, Captain William Norman Lascelles-Davidson, also of Brighton, patented a triple lens motion picture camera (E.P. 23,863, 1898). The colour filters revolved either behind the lenses, ...

1 Image

Lee and Turner

Additive 3 color: Rotary filter
“Frederick Marshall Lee, of Walton, and Edward Raymond Turner, of Hounslow, to whom is usually accorded the credit of achieving the first practical results in additive projection. Their experimental work was financed by Charles Urban, a ...

16 Images in 1 Gallery

Lenticular Screen

Additive 3 color: Lenticular screen
“Every element of a cross-lined screen acts as a pinhole camera, and reproduces an image of the aperture of the objective in whose rear focal plane it is placed. Thus, when using a square stop, the dots in the halftone produced will be square ...

4 Images

Lignose Naturfarbenfilm

Additive 3 color: Mosaic screen

2 Images

Lippmann

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

Magnachrome

Additive 2 color: Bi-pack, half-size

Magnacolor

Subtractive 2 color: Bi-pack, double-coated
“An American two-colour subtractive process still worked by the Consolidated Film Industries division of Republic Pictures Corporation. This concern was licensed by the owners of the “Prizma” patents, which it will be remembered was ...

23 Images in 2 Galleries

Mondiacolor

Additive 3 color: Mosaic screen

Monopack stripping

Subtractive 3 color: Monopack, stripping, still photography
“To offset the possible effects of poor contact between the various members of the tripack, J. H. Smith coated the emulsions directly one on top of the other, but with an insulating layer of collodion between them. In this manner there was ...

1 Image

Mordant toning / dye toning

Applied colors: Silver replacement by mordanting
Mordant toning or dye toning is a special case of toning whereby the silver image is replaced by colored compounds. Soluble dyes attach to a colorless (silver ferrocyanide) or nearly colorless (silver iodide) silver salt obtained by bleaching. Dye ...

171 Images in 7 Galleries

Morgana Process

Additive 2 color: Alternating filters, 16 mm

1 Image

Moviechrome

Subtractive 3 color: Chromogenic monopack, reversal, 16 mm

Mroz Farbenfilm

Additive 2 color: Alternately stained images, 9.5 and possibly 16 mm

Multicolor

Subtractive 2 color: Bi-pack, duplitized
“In the Multicolor (two-color) subtractive process, two negative films are run simultaneously through any standard camera with their emulsion surfaces in contact. The front negative is orthochromatic, with the surface layer dyed orange-red to ...

72 Images in 6 Galleries

Opticolor

Additive 3 color: Lenticular screen

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

Orwochrom

Subtractive 3 color: Chromogenic monopack, reversal, 16 mm

84 Images in 3 Galleries

Orwocolor

Subtractive 3 color: Chromogenic monopack

1026 Images in 27 Galleries

Orwocolor NC 1

Subtractive 3 color: Chromogenic monopack

Orwocolor NC 3

Subtractive 3 color: Chromogenic monopack

Panacolor

Subtractive 3 color: Color separation, multilayer print

11 Images in 1 Gallery

Panchromotion

Additive 4 color: Rotary filter
”Kelley’s first color process was a four-color additive system introduced in 1913. Called Panchromotion, Kelley formed a company which would exploit the process commercially and, he hoped, provide strong competition for Kinemacolor. He apparently ...

2 Images

Pantachrom

Subtractive 3 color: Bi-pack and lenticular film recording, duplitized film with toning and silver dye-bleach
“In October, Eggert of the Agfa Research Department, read a paper at the Berlin meeting of the Deutsche Gesellschaft für photographische Forschung, on the Pantochrom subtractive lenticular bipack tricolor process. (Fig. 1) The green and blue ...

19 Images in 3 Galleries

Pathécolor / Pathéchrome / stencil coloring

Applied colors: Stencil, dyed gelatin
Stencil coloring required the manual cutting, frame by frame, of the area which was to be tinted onto another identical print, one for each color. Usually the number of colors applied ranged from 3 to 6. The process was highly improved by the ...

2192 Images in 73 Galleries

Photocolor

Subtractive 2 color: Beam-splitter, double-coated

42 Images

Pinatype / Pinatypie

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 ...

4 Images

Pinchart

Additive 3 color: Four lenses, red-green-blue-grey

2 Images

Polachrome

35mm Slide Film

4 Images in 1 Gallery

Polacolor

Subtractive 3 color: Color separation, multicolor dye images