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    Re: Sextants with Polarizing filters
    From: Peter Fogg
    Date: 2006 Jan 27, 03:36 +1100

    Thanks for that elucidation, Ken.
    
    In anyone is wondering, as I was, orthogonal means quite literally 'at a
    right angle' from the Greek 'ortho', meaning right, and 'gonia', meaning
    angle.
    
    
    

       
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