Illustration by Rene Descartes, showing the theory of terrestrial and celestial magnetism. From Principia Philosophica; Amsterdam, 1672

- Image ID: RJAE63
Illustration by Rene Descartes, showing the theory of terrestrial and celestial magnetism. From Principia Philosophica; Amsterdam, 1672
World History Archive / Alamy Stock Photo
Image ID: RJAE63