- Exploration Stage
- Manor House Gate
- From
- Helen
- Description
- My father had a collection of possessions of famous astronomers. He used to work with those. If my father left a clue as to his current whereabouts, he must have hidden a code in there. With that collection, I can decipher the ciphers. One of the items in the collection is a metonic period gnomon from Athens. Find it.
- Completed
- This gnomon found is an ancient sundial. The metonic cycle was used to create the Greek lunar and solar calendars.
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