Word: lensed
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Dates: during 1920-1929
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The present O'Grady system, called Natural Color, uses a revolving shutter attachable to any standard size movie camera. The shutter contains a circle of gelatin sheets tinted to allow the seven primary colors† to pass through. As each section or "frame" of the film pauses its swift...
...reproduction, a similar shutter is fixed to a projecting machine. Before starting the machine the operator adjusts film and shutter so that the frame that is to show red is back of the projecting lens and the red gelatin before the lenses. Then as the picture goes, frames and color shutters follow in unison and so rapidly that to the eye the colored scene parts upon the projection screen appear as a composite, whole, colored moving picture...
In Manhattan Dr. Herbert E. Ives and Dr. Frank Gray of the Bell Telephone Laboratories operated a machine which directly broadcasts vast outdoor scenes a fair distance from their lens. Heretofore only small studio scenes could be transmitted.
...such as it is, it now comes within the scope of all who have the price of a Ciné Kodak and a roll of Kodacolor. In the hand Kodacolor looks like any other film; under the microscope it looks like corduroy ribbon. The tiny corrugations are microscopic lenses, made of the film substance, running the length of the film, 559 to the inch. Different from the lens of eye glass or microscope, they resemble rather the lens-like drops of moisture which split up the sunlight after a storm, making a rainbow. Once the process is perfected, they...
...types of spectrophotometry, inaugurated in recent years at the Harvard Observatory; an eight-inch photographic lens for work on standard magnitudes and variable stars; and a three-inch "policeman" which will steadily maintain the Harvard patrol on all of the southern sky. In addition there are two or three lenses that will be in occasional use for special investigations...