What is this thing?

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[Solved] Anyone know what this is? They are embedded in the sidewalks around the city (programming.dev)

submitted 9 months ago* (last edited 9 months ago) by catch22@programming.dev to c/whatisthisthing@lemmy.world

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Any ideas?

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[–] Maeve@kbin.earth -1 points 9 months ago

https://www.rmg.co.uk/stories/topics/true-north-magnetic-north-whats-difference

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