M0017340: Astronomical ring of an unusual type, c.1690
- Date:
- April 1959
- Reference:
- WT/D/1/20/1/155/75
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: M0017340: Astronomical ring of an unusual type, c.1690. Wellcome Collection. Source: Wellcome Collection.
