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5 Weeks of Sunshine . . . Every Day!

  • 1950

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Public Domain

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Color advertisement for the General Aniline & Film Corporation describing their fadeometer testing program. A fadeometer is an accelerated aging testing device that measures the colorfastness of a material - in this case, textiles, paper, or plastics - by exposing it to a high intensity of light to determine its resistance to fading. A matter of hours in a fadeometer approximates the effect of a much longer period of ordinary daylight.

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  • 20.3 cm W x 28 cm H
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Rights Public Domain Mark 1.0
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  • Courtesy of Science History Institute

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  • Shelfmark 632.8.1 Ephemera Box 6

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General Aniline & Film Corporation. “5 Weeks of Sunshine . . . Every Day!” Inc. Time, 1950. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/65is4td.

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