from the GNU version of the Collaborative International Dictionary of English
- n. A device for giving shifting effects of color to a photograph. The unmounted print, made translucent, is illuminated from behind with colored light.
- n. A combination of three optical lanterns for projecting objects on a screen in the colors of nature. The images of three partial photographs taken through color screens (red, green, and blue, respectively) are superimposed. Each image is given its own primary color, and these colors blend and reproduce the colors of the object.
from The Century Dictionary and Cyclopedia
- n. A device so arranged that three transparent photographs can be placed within it, each one illuminated by a colored light, one by red, one by green, and one by blue-violet light. A system of reflectors combines the three images, so that the eye sees but one picture in the natural colors. See chromascope, 2.
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