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    Re: How Many Chronometers?
    From: Byron Franklin
    Date: 2009 Sep 18, 10:49 -0700

    The Navy takes the Mechanical Chronometer very serious, If maintained properly 
    it will give years of accurate use. The bridge will use 3 (oddman out)size 85 
    it can be described as a jerky montion for the second hand and 4 inch face 
    plate. It should be placed near the center line of the ship and is not near 
    vertical iron and electrical machinery, and is on gimbles. They are always 
    kept in their glass covered box to protect them from moisture and temperture 
    change. They are wound every day,with a time tick to check on their GMT. A 
    rate book keeps daily error, daily rate and average daily rate, the time of 
    the check and the QM must sign. Much truoble for a missed day. 
    
    
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