C.White, An account of the regular gradation
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: C.White, An account of the regular gradation. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: C.White, An account of the regular gradation. Wellcome Collection. Source: Wellcome Collection.