Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Wheeled walking frame, London, England, 1901-1930. Science Museum, London. Source: Wellcome Collection.

Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Wheeled walking frame, London, England, 1901-1930. Science Museum, London. Source: Wellcome Collection.
