Hallam's Patent instanteneous vaccinator.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Hallam's Patent instanteneous vaccinator. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Hallam's Patent instanteneous vaccinator. Wellcome Collection. Source: Wellcome Collection.