Medical students observing an operation on a lantern screen via a projecting periscope located above the operating table. Halftone after H.W. Koekkoek, 1909.

    • Koekkoek, Hermanus Willem, 1867-1929.
    Date:
    17 April 1909
    Reference:
    23548i

    Licence: Public Domain Mark

    Credit: Medical students observing an operation on a lantern screen via a projecting periscope located above the operating table. Halftone after H.W. Koekkoek, 1909. Wellcome Collection. Source: Wellcome Collection.

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