The Aldgate Pump in 1874.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: The Aldgate Pump in 1874. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: The Aldgate Pump in 1874. Wellcome Collection. Source: Wellcome Collection.