Vocabulary : Photochromography to Photo-electric

Photochromography : Art or process of printing colored photographs.
Photochromoscope : A device for giving shifting effects of color to a photograph. The unmounted print, made translucent, is illuminated from behind with colored light. ;; 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.
Photochromotype : A colored print made photomechanically. ;; To represent by a colored print made by any photomechanical process.
Photochromotypy : The art of making photochromotypes.
Photochromy : The art or process of reproducing colors by photography.

Photochronograph : An instrument for recording minute intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate. ;; An instrument for the photographic recording of star transits.
Photochronography : Art of recording or measuring intervals of time by the photochronograph.
Photodrome : An apparatus consisting of a large wheel with spokes, which when turning very rapidly is illuminated by momentary flashes of light passing through slits in a rotating disk. By properly timing the succession of flashes the wheel is made to appear to be motionless, or to rotate more or less slowly in either direction.
Photodynamics : The relation of light to the movements of plants and their organs; the study of the phenomena of curvatures induced by the stimulus of light.
Photo-electric : Alt. of Photo-electrical ;; Acting by the operation of both light and electricity; -- said of apparatus for producing pictures by electric light.

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