Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Rudolph II in the laboratory of his alchemist, 1576. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Rudolph II in the laboratory of his alchemist, 1576. Wellcome Collection. Source: Wellcome Collection.