M0017342EB: Lower surface of a brass equinoctial ring-dial, c.1700 / M0017343EB: Horary Quadrant, c.17th century

Date:
April 1959
Reference:
WT/D/1/20/1/155/78

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: M0017342EB: Lower surface of a brass equinoctial ring-dial, c.1700 / M0017343EB: Horary Quadrant, c.17th century. Source: Wellcome Collection.

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