A labour-saving device. The Automatic Mono-Wheel strecher-carrier.
Licence: In copyright
Credit: A labour-saving device. The Automatic Mono-Wheel strecher-carrier. Wellcome Collection. Source: Wellcome Collection.
Licence: In copyright
Credit: A labour-saving device. The Automatic Mono-Wheel strecher-carrier. Wellcome Collection. Source: Wellcome Collection.