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    Re: Troughton's reflecting circle
    From: Bill Morris
    Date: 2009 May 21, 13:12 -0700

    The chapter closes with some good advice (Troughton): "Should these hints about the
    adjustments set any over-handy gentleman on tormenting his instrument,
    it will not be what was intended by them; they were added, that, in case
    of accident, those who are so unfortunate, might be enabled thereby to
    put their own instrument in order."
    
    With Lecky's help, Troughton succeeded with these words in paralysing or 
    terrifying generations of navigators into believing that a sextant is a 
    delicate, complex  instrument that, once interfered with, will never be the 
    same again.
    
    Bill Morris
    
    
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