The Prizma Color system was a technique of color motion picture photography, invented in 1913 by William Van Doren Kelley and Charles Raleigh. Initially, it was a two-color additive color system, similar to its predecessor, Kinemacolor. However, Kelley eventually transformed Prizma into a bi-pack color system that itself became the predecessor for future color processes such as Multicolor and Cinecolor.
Prizma gave a demonstration of color motion pictures in 1917 that used an additive four-color process, using a disk of four filters acting on a single strip of panchromatic film in the camera. The colors were red, yellow, green, and blue, with overlapping wavelengths to prevent pulsating effects on the screen with vivid colors. The film was photographed at 26 to 32 frames per second, and projected at 32 frame/s. The disk used in projection consisted mainly of two colors, red-orange and blue-green, adapted to the four-color process by the superimposition of two small magenta filters over one of the red sectors and two similar blue filters over one of the blue-green sectors.Motion Picture News reported,
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On the slope of a naked rock somewhere in Ska■inawj¯ - the isles of Ska■is - a blonde, fur-clad man immortalises his memory of Mannus, the oldest Ing. A large manlike shape is engraved in the rock; bloodred in colour, with a large phallus. His hands are stretching toward the sky. Mannus, the son of Tuisto, made sure his tribe survived the cold north together with his sons; Inguz, Herminuz and Istw¯. TuistoÒs heart is warmed by the sight of his descendants; he knows the gods are not forgotten. Then - he reasons - there is hope after all, for the coming generations.