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Join this channel to get access to perks: / @periscopefilm Help us preserve, scan and post more rare and endangered films! Join us on Patreon. Visit / periscopefilm Visit our website www.PeriscopeFilm.com View our Amazon store here: https://amzn.to/3XQHsVD Produced by General Electric in 1941, "Curves of Color" is an early color film that shows the old and new methods of distinguishing up to two million shades of color, including colors impossible to see with the human eye, through photospectronomy. 00:30 Scenes of autumn in a rural setting, leafless trees, autumnal leaves litter the ground. 00:59 Scenes of spring, new life, rich green vegetation, trees burst with bright yellow foliage, budded and budding trees, flowers bloom, a riotous profusion of spring colors. 01:52 Flower beds professional displayed, farm fields of low green vegetation, tall grain blows in the wind against a blue sky. Ducklings bathe and feed. 02:17 Young children play in the garden. 02:35 The sun sets gloriously along a river. 02:40 A scientist conducts a light experiment, funneling sunlight through a prism casting a rainbow. 03:13 Chart shows the electromagnetic spectrum: cosmic, x-rays, U-V, heat, radio, and electric. 03:51 A woman tests the heat emanating from a radiator. 03:57 A radio town stands tall, and children line up on a metal rail fence. 04:15 A woman holds in one hand a tiny “grain of wheat” lamp and a giant 30,000 watt light bulb in the other. 04:32 Illustration showing white light bending through a prism. 04:46 Painting of farmland with rainbow superimposed. 04:57 Table of beakers and glass jars of liquid solutions and colorful powders. 05:13 A model poses for a portrait painter. 05:32 A man mixes paint colors. A woman tries to match colors of fabric swatches. 06:10 Scientist J.L. Michaelson uses a recording photoelectric spectrophototometer color analyzer to accurately match two colors. He places a purple glove over one window of the machine, places a sheet of “standard white” over another window. The spectrum hue flashes first on the glove sample and then on the white sample. The machine compares, color by color, how much of each color is reflected off the glove. The resulting graph automatically produced is a a complete new curve of color. 07:41 The process is repeated using a purple scarf. 07:59 The charted curve of both samples shows how similar yet different the purples are. 08:16 Close up of rainbow colors, and the color analyzer’s spectrum hue flashing, the graph measuring. 08:30 Animation showing the exact measurement of analyzed color on a graph. 08:43 A portrait painting of Mrs. Siddons by Thomas Gainsborough. 09:05 A graph accurately measuring the colors of Gainsborough’s painting. 09:12 Civil War-era Union flag and a graph showing the exact measurements of its colors. 09:25 A contemporary U.S. flag waves against a blue sky. 09:32 End. Motion picture films don't last forever; many have already been lost or destroyed. We collect, scan and preserve 35mm, 16mm and 8mm movies -- including home movies, industrial films, and other non-fiction. If you have films you'd like to have scanned or donate to Periscope Film, we'd love to hear from you. Contact us via the link below. This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD and 2k. For more information visit http://www.PeriscopeFilm.com