Guildhall Time Ball, Hullさんのイラストまとめ
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The project is funded by NLHF (National Lottery Heritage Fund). The Guildhall Greenwich Time Ball project focuses on the restoration of the Guildhall Time Ball.
hull.gov.ukフォロー数：166 フォロワー数：329
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John Harrison's H4 chronometer was pivotal in maritime navigation. He is one of the main topics in our interactive STEM pod, as together, his invention and the Time Ball revolutionized sea travel and safety! #johnharrison #chronometer #timeball #primemeridian #stemlearning
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