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    Re: Chronometer Error
    From: Henry Halboth
    Date: 2006 Dec 27, 09:49 -0500

    Hi John,
    I have one of those Hamilton "mechanicals", most probably in the order of
    62-years old. The rate has been a constant 0.5 seconds per day for as long
    as I can remember.
    Happy holidays to all.
    ----- Original Message -----
    From: "John" 
    To: "NavList" 
    Sent: Thursday, December 21, 2006 8:32 PM
    Subject: [NavList 1916] Chronometer Error
    > I've just gone through the ritual of checking my quartz chronometer
    > against the time signal. I do this four to six times a year and plot
    > the results.  The plot is a straight line between battery changes about
    > 18-24 months apart. This Chelsea Navigator is fast on GMT 0.39
    > seconds/day.  Being anal compulsive about the chronometer I've never
    > waited to see what happens to the error towards the end of the battery
    > life.  Can anyone tell me what happens?  Does the clock just stop or
    > does the error vary and signal the end of battery life?
    > Another question for those who have one of those beautiful Hamilton
    > mechanical chronometers:  What does the error plot look like?
    > John Cole
    > >
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