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Thread: Heliodon for architectural sunlight testing - GIF

  1. May 1, 2019, 09:19 PM #1
    Jon
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    Heliodon for architectural sunlight testing - GIF

    Heliodon for architectural sunlight testing.




    More: https://en.wikipedia.org/wiki/Heliodon

    Previously:

    1938 lightbulb brightness testing machine - photo
    Lightbulb factory line - GIF
    3D printing with light, in Nature and Science last week - video and GIF

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