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Photo-etching
photo-offset
photo-offset printing
Photobacterium
Photobiotic
Photoblepharon
Photoblepharon palpebratus
photocathode
photocell
Photoceramics
Photochemical
photochemical exchange
photochemical reaction
Photochemistry
Photochromic
Photochromography
-- Photochromoscope --
Photochromotype
Photochromotypy
Photochromy
Photochronograph
Photochronography
photocoagulation
photocoagulator
photoconduction
photoconductive
photoconductive cell
photoconductivity
photocopier
photocopy
Photodrome
Photodynamics
photoelectric

Photochromoscope

Pho`to`chro´mo`scope
n.1.A device for giving shifting effects of color to a photograph. The unmounted print, made translucent, is illuminated from behind with colored light.
2.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.
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