This biscuit recreates a diagram from Sacrobosco’s ‘De Sphaera’ (c.1550). It could be used to calculate the changing length of daylight hours through the year. 🍪
This biscuit recreates a diagram from Sacrobosco’s ‘De Sphaera’ (c.1550). It could be used to calculate the changing length of daylight hours through the year. 🍪