Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Wellcome Trust; offices at 1, Park Square West, London NW1. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Wellcome Trust; offices at 1, Park Square West, London NW1. Wellcome Collection. Source: Wellcome Collection.