Human skull inscribed for phrenological demonstration. One half accords with Gall's theories, the other, Spurzheim's. Probably of French origin.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Human skull inscribed for phrenological demonstration. One half accords with Gall's theories, the other, Spurzheim's. Probably of French origin. Wellcome Collection. Source: Wellcome Collection.