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Chronometer clock escapement model by Thomas Mercer

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thisoldwatch's items7 of 81Ingraham New York to Paris Lindbergh pocket WatchWaltham 23-Jewel Vanguard in a Salesman's Double Crystal Case 1911
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Posted 6 years ago

(81 items)

I thought our viewers might enjoy this working model if a ship's chronometer escapement made by Thomas Mercer. It is 1 of 6 known to exist. Thank for looking and enjoy. The pocket watch is shown for size comparison.


  1. pops52 pops52, 6 years ago
    This is really nice, thanks for sharing with us.
  2. kerry10456 kerry10456, 6 years ago
    Agreed, very nice, thanks for sharing!!
  3. Roycroftbooksfromme1, 6 years ago
    Wow 1 of 6....Thats the crown jewl I would say....very very nice...
  4. TubeAmp TubeAmp, 5 years ago
    It's a model of John Arnold's spring detent escapement. Very nice.

    T A

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