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    Re: Reducing Bubble Size
    From: Bill Morris
    Date: 2009 Feb 18, 11:36 -0800

    G'day Mark
    
    I assume you have an air bubble cell. Just to check, the left hand side of the 
    instrument should be up and the tubular air chamber horizontal while you tap 
    the bubble control button repeatedly (AN 5851). You could also try swinging 
    the instrument rapidly around at arms length with the LHS facing you
    
    I have recently covered refilling the bubble unit and overhauling it in a blog 
    on my website at www.sextantbooks.com  Look under "Aircraft sextants."
    
    Bill Morris
    Pukenui
    New Zealand.
    
    
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