South Africa: a pulsator machine at the Wesselton diamond mine. Photograph by A.B. Macallum, 1905.

    • British Association for the Advancement of Science.
    Date:
    1905
    Reference:
    534694i
    Catalogue details

    Licence: Public Domain Mark

    Credit: South Africa: a pulsator machine at the Wesselton diamond mine. Photograph by A.B. Macallum, 1905. Wellcome Collection. Source: Wellcome Collection.

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