Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Radiograph by W.K. Roentgen: wire coil; 1895. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Radiograph by W.K. Roentgen: wire coil; 1895. Wellcome Collection. Source: Wellcome Collection.