Human skull illustrating different methods of trephination owned by Dr. T. Wilson Parry, skull of Guanche, Canary Islands, 1871-1930 (approx). Detail, on black background.

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Credit

Human skull illustrating different methods of trephination owned by Dr. T. Wilson Parry, skull of Guanche, Canary Islands, 1871-1930 (approx). Detail, on black background. Science Museum, London. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.