Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: ISTM certificate holders, Nos 641-1731. Source: Wellcome Collection.
14/322
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: ISTM certificate holders, Nos 641-1731. Source: Wellcome Collection.