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    Re: submarine periscope sextant sold on eBay
    From: Jared Sherman
    Date: 2003 Apr 7, 16:08 -0400

    Paul-
     Pure conjecture, but it appears to be "just" a sextant that has been fitted 
    with a tube that allows it to plug into the eyepiece of a periscope. And 
    then, of course, all the mechanisms and optical paths have been bent in such 
    a way as to fit in a rugged & compact rectangular shape, more or less.
     Of course, it still needs an "O" class submarine to make it work properly.
    
    
    

       
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