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@jimferguson.bsky.social Sep 20, 2026, 10:46 AM

What time was it when we visited the #Royal_Observatory?
#Greenwich, #London, England, #United_Kingdom #photography #Support_Public_Lands

The bronze sculpture of two dolphins holding a plaque is a sundial. Their tails are the gnomon. If you look closely you can see what time it was when I took the photo. It was a fascinating place. The displays of the chronometers which were crucial to the measurement of longitude were worth the visit alone, but there is much more there.

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