Plan of the Lock Hospital, Southwark from the original plans in the Archives of St. Bartholomew's Hospital, to whom the copyright belongs.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Plan of the Lock Hospital, Southwark from the original plans in the Archives of St. Bartholomew's Hospital, to whom the copyright belongs. Wellcome Collection. Source: Wellcome Collection.