An optical experiment, by which a man and an angel demonstrate that the strength of a beam of light is not proportionate to the distance which it has travelled. Engraving by T. Galle, 1613, after P.P. Rubens.

    • Rubens, Peter Paul, 1577-1640.
    Date:
    [1613]
    Reference:
    578790i
    Catalogue details

    Licence: Public Domain Mark

    Credit: An optical experiment, by which a man and an angel demonstrate that the strength of a beam of light is not proportionate to the distance which it has travelled. Engraving by T. Galle, 1613, after P.P. Rubens. Wellcome Collection. Source: Wellcome Collection.

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