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    Mark IX sextant manual
    From: Bill Morris
    Date: 2009 Aug 10, 22:27 -0700

    glapook has recently been kind enough to add to the list attachments of 
    several aircraft sextant manuals, including that for the British Mark IXA 
    sextant. Less easy to find is that for the Mark IX, its predecessor, which 
    has a six-shot averager. Its operation is not obvious, so I am attaching a 
    reformatted manual for this instrument, extracted from my restoration manual 
    on the Mark IX series.
    
    Bill Morris
    Pukenui
    New Zealand
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