Robert Alsop, Chemist, London.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Robert Alsop, Chemist, London. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Robert Alsop, Chemist, London. Wellcome Collection. Source: Wellcome Collection.