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    Re: Metal versus plastic or better telescope?
    From: Alexandre Eremenko
    Date: 2012 Mar 27, 22:38 -0400

    Frank,
    
    On Tue, 27 Mar 2012, Frank Reed wrote:
    
    > With a 30x scope, you should find with a metal sextant that you get the
    > same IC over and over again to the limiting precision of reading of the
    > micrometer (in other words, you'll get +0.4 ten times in a row without
    > fail).
    
    Could you give more detail? What 30x scope, and how do you attach it to a
    sextant?
    
    Alex.
    
    
    
    

       
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