Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mattei's electro-homeopathic treatments, Bologna, Italy, 187. Science Museum, London. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Mattei's electro-homeopathic treatments, Bologna, Italy, 187. Science Museum, London. Source: Wellcome Collection.