this is a pocket chronometer?

Discussion in 'European & Other Pocket Watches' started by sternerp, Jun 7, 2017.

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  1. sternerp

    sternerp Registered User

    Nov 23, 2010
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    Hi everyone!

    Recently i bought an english silver pocket watch, George Priest, Norwich, serial 3937. This watch has also chronometer balance, but if i see good, it does not a chronometer escapement?
    This escapement is completely unknown to me. I upload some photos, maybe someone met with a similar one. Please help me, to identify this escapement.

    Best regards! Peter from Hungary
     
  2. Omexa

    Omexa Registered User

    Feb 28, 2010
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    Hi Peter, is it a variation of the Savage 2 Pin Escapement? Others will know? I like it very much. Regards Ray
     
  3. Tom McIntyre

    Tom McIntyre Technical Admin
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    Aug 24, 2000
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    At first glance it looks like a wide jewel Savage, but the key element that is missing is the impulse notch on the table. It has a passing crescent, so there is no impulse from a pin on the lever. A good closeup of impulse end of the lever would make it more clear. Here are some images from my collection. The drawing is the copyright property of David Penney and is used with permission.

    View attachment 346174 EarlyRoller.jpg View attachment 346176
     
  4. gmorse

    gmorse Registered User
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    Jan 7, 2011
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    Hi Peter,

    As Tom has said, this isn't a Savage, but a variation on the two-pin English lever, albeit a rather superior one, with a single wide trapezoidal jewel and a passing crescent. The action is exactly the same as a normal English lever. The lever itself shouldn't look particularly different, it just has a wider fork. The thing that is unusual is the use of a chronometer-type balance of the Earnshaw pattern, something that's not often seen in a lever pocket watch.

    It's certain that it wasn't made in Norwich, and there may be some frame-maker's marks on the pillar plate under the dial. Something to look for when you come to dismantle it.

    Regards,

    Graham
     
  5. John Matthews

    John Matthews Registered User

    Sep 22, 2015
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    #5 John Matthews, Jun 7, 2017
    Last edited: Jun 7, 2017
  6. sternerp

    sternerp Registered User

    Nov 23, 2010
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    Thanks very much everyone for the responses!
     
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