Trade card - Daniel Swann, Chemist.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Trade card - Daniel Swann, Chemist. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Trade card - Daniel Swann, Chemist. Wellcome Collection. Source: Wellcome Collection.