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Tag Archive chronometer

chronometer movement

1820s Ships Chronometer

Something really special this week, This is very early and very rare eight day marine Chronometer dating from around c1820.. It is believed that this Chronometer was one used in the sea trials used to win the longitude prize.. John Harrison finally won the prize in the mid 1800s.. This clock was in a really dirty state with a broken Detent on the detent escapement. We manufactured a new one. Along with a handmade bush on the centre arbor made from old brass to match the colour. It’s work like this that really makes this adventure worth it pictures of before and after…