Bett's Catalog of Marine Chronometers at the NMM

Discussion in 'Horological Books' started by Dr. Jon, Oct 18, 2019.

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  1. Dr. Jon

    Dr. Jon Registered User
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    Dec 14, 2001
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    This book has been widely and justly praised elsewhere and I too highly recommend it but I have a question about its Hamilton section.

    The section starts with a very good summary of the history if the Model 21 but it lists all the examples as being from Columbia Pennsylvania with no explanation I can find.

    As far as I know the bulk of the work was done at the Lancaster factory and the detents made in Memphis. How did Betts assign them to Columbia?
     

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