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Dr Ella Hawkins
ellamchawk.bsky.social
did:plc:karaktxrnhur7zho6bxmlf2c
Centuries ago, many astronomical books included moving parts to help readers interpret the world around them.
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. 🍪
2024-12-05T09:04:54.757Z