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    Re: Ratiometer
    From: Michael Dorl
    Date: 2011 Feb 09, 08:05 -0600

    On 2/8/2011 8:51 PM, Gary LaPook wrote:
    >
    > This guy purchased a "ratiometer" can any of you figure out what it is?
    >
    > http://www.chaski.org/homemachinist/viewtopic.php?f=15&t=89030
    >
    > gl
    >
    >
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    Ok, for the needle points....
    
    Measure the length of the polygon side using the needle points.  Read
    this value and then move the slide so that it intersects the movable arm
    at that value.  Now proceed as per the previous email to read the
    latitudes and departures form the two scales.
    
    Mike
    
    
    
    

       
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