Hairspring trouble

Discussion in 'Clock Repair' started by ClocksCollector, Sep 13, 2011.

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  1. ClocksCollector

    ClocksCollector Registered User

    Aug 14, 2005
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    I am restoring an S. B. Jerome round gallery clock and need a replacement or repair of the movements hairspring. The spring is .0045" thick, .0355" wide and 11.5" long. The movement is similar to the one shown. Can anyone advise me as what to do? Regards.
     

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  2. shutterbug

    shutterbug Moderator
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    Oct 19, 2005
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    I'd check a few old alarm clocks. The BPM on balances are typically the same, with only a few groups of speeds. Chances are you could switch out the spring and the balance together.
     
  3. bangster

    bangster Moderator
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    If the spring is intact, and not too terribly tangled, David LaBounty (man of endless talents) can fix it for you. He fixed a couple for me.

    bangster
     
  4. ClocksCollector

    ClocksCollector Registered User

    Aug 14, 2005
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    Thanks bangster- I'll send him a photo.
     

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