Coxeter's magneto-electric machine.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Coxeter's magneto-electric machine. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Coxeter's magneto-electric machine. Wellcome Collection. Source: Wellcome Collection.