Lamps Produce Variety of Examining Lights

Popular Science, kesäkuu 1936

Because fabrics appear a slightly different color in daylight than they do under artificial light a British concern has installed a room where yard goods for dresses can be viewed under practically any type of natural or artificial illumination. A number of different sets of special lamps reproduce the varying colors and intensities of light rays from the sun, gas burners, electric lamps, candles, and other light sources.

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