Doctor Smoker's tooth paste. Between 1895 and 1910?
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Doctor Smoker's tooth paste. Between 1895 and 1910?. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Doctor Smoker's tooth paste. Between 1895 and 1910?. Wellcome Collection. Source: Wellcome Collection.