Ship fumigation using hydrogen cyanide: an operator wearing protective oxygen breathing apparatus. Photograph by P. G. Stock, 1900/1920.

    • Stock, P. G.
    Date:
    1900-1920
    Reference:
    566988i
    Catalogue details

    Licence: Public Domain Mark

    Credit: Ship fumigation using hydrogen cyanide: an operator wearing protective oxygen breathing apparatus. Photograph by P. G. Stock, 1900/1920. Wellcome Collection. Source: Wellcome Collection.

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