Photograph: 'E.S.O.' Chloroform apparatus.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Photograph: 'E.S.O.' Chloroform apparatus. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Photograph: 'E.S.O.' Chloroform apparatus. Wellcome Collection. Source: Wellcome Collection.