Warner-Powrie

Additive 3 color: Line screen
“The Warner-Powrie process patented in 1905 was the earliest commercial process using a screen made with bichromated colloid. A glass plate was thinly coated with bichromated gelatin or fish glue and exposed to light through a screen having ...

Versicolor-Dufay

Additive 3 color: Line screen plate, still photography
“The most successful of all the screen processes was the one initiated by Louis Dufay. Today the product is known as Dufaycolor, but it was first introduced about 1910 as the Dioptichrome plate. The first Dufay patents were assigned to an ...

Thomson Color

Additive 3 color: Lenticular screen

3 Images

Spicer-Dufay

Additive 3 color: Line screen (réseau), 35 mm reversal
For a description of Spicer-Dufay see detail page on Dufaycolor)

78 Images in 2 Galleries

Polavision

Diffusion: Line screen, super-8 mm

14 Images

Polachrome

35mm Slide Film

4 Images in 1 Gallery

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

Opticolor

Additive 3 color: Lenticular screen

New Agfa Color Plate

Additive 3 color: mosaic screen, combined system, still photography
“New Agfa Color Plate (1923–1932): colored particles very small and not visible to the naked eye, but clumps of particles of the same color give the image a pointillist effect (Fig. 2.62). Unlike with the autochromes, in which the grains ...

1 Image

Mondiacolor

Additive 3 color: Mosaic screen

McDonough Color Screen

“McDonough Color Screen (1897–1900): sequence of red, yellow-green, and blue continuous lines (Fig. 2.49). Lines are thinner (approximate width 0.08 mm) and sharper than those of the Joly screen but are still visible with the naked eye or a ...

2 Images

Lumière Lumicolor

Additive 3 color: mosaic screen, combined system, still photography
“Lumière Lumicolor (1933–1953): rolls and pack films on celluloid base. Individual colored grains cannot be seen with the naked eye, but clumps of grains of the same color give the image a pointillist effect (Fig. 2.71). Starch grains ...

1 Image

Lumière Filmcolor

Additive 3 color: mosaic screen, combined system, still photography
“Lumière Filmcolor (1931–1953): sheet films (only) on celluloid base (Fig. 2.69). Individual colored grains cannot be seen with the naked eye, but clumps of grains of the same color give the image a pointillist effect. Filmcolor starch ...

1 Image

Lumière Alticolor

Additive 3 color: mosaic screen, combined system, still photography
“Lumière Alticolor (1952–1955): rolls and pack films on celluloid base. Alticolor starch grains are smaller but of less regular shape than those used in Filmcolor (Fig. 2.74). There are no black pigment particles; therefore, Alticolor ...

1 Image

Lignose Naturfarbenfilm

Additive 3 color: Mosaic screen

2 Images

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

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

Kodacolor / Keller-Dorian Color

Additive 3 color: Lenticular screen
“LENTICULAR PROCESS In 1896 R. E. Liesegang (Ahriman, 1896) suggested a photographic color process based upon the use of banded filters in the camera aperture. […] In 1909 R. Berthon (British Patent 10,611; see also Berthon, 1910a, b) ...

35 Images in 2 Galleries

Kislyn color

Additive 3 color: Lenticular screen

1 Image

Kesdacolor

Subtractive 2 color: Line screen filter, duplitized film stock
”The process as illustrated in USP 1431309 was a two-color additive process, but it is stated that it could be a three- or four-color process. For the original photography, the negative was exposed through a line screen composed of alternate bands ...

1 Image

Keller-Dorian

Additive 3 color: Lenticular screen

14 Images in 2 Galleries

Joly

Additive 3 color: Line screen process, still photography
“In 1894 Professor John Joly of Dublin patented a process for producing a screen of red, green and blue-violet lines by ruling them on a gelatin-coated glass plate. Joly used ruling machines of great accuracy, with drawing pens trailed across ...

7 Images

Johnsons Colour Screen

Additive 3 color: regular mosaic screen, separate system, still photography
“Johnsons Colour Screen (1953–ca. 1954): pattern virtually identical to Paget Color Screen, with lines of red and blue squares alternated with lines of green and blue squares, approximately 350 to the inch (Fig. 2.55). The lines are at a ...

1 Image

Finlay Positive Color Screen / Finlaychrome

Additive 3 color: regular mosaic screen, combined system, still photography
“The launching of a combined version of the product called Finlaychrome was announced in 1931 but was still unavailable three years later; it is unclear if it was ever marketed.28 Instead, it seems that the company produced a viewing screen ...

3 Images

Finlay

Additive 3 color: Regular mosaic screen, still photography

9 Images in 1 Gallery

Eastman Lenticular Print Film Type 5306

Additive 3 color: Lenticular screen

Eastman Embossed Kinescope Recording Film

Additive 3 color: Lenticular screen

2 Images

Duplex Screen Plate

Additive 3 color: regular mosaic screen, still photography
“Paget plates were discontinued in the early 1920s. Apparently production costs had risen to an almost prohibitive amount after World War I due to the difficulties of producing screen plates without defect (Offer 1926). The product reemerged ...

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

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