John Harrison Sea Clocks Sinclair Harding England on sale window display St Helier Jersey The Channel Islands

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The Moonphase Sea Clock embodies 3 of John Harrison's basic principles used his original H1. It also provides in the Moonphase dial a representation of the competition (Lunar distance method)

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Size: 3182px × 4773px
Location: St Helier Jersey The Channel Islands
Photo credit: © Gordon Shoosmith / Alamy / Afripics
License: Licensed
Model Released: No

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