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    Re: Artificial horizon
    From: Alexandre Eremenko
    Date: 2005 Feb 22, 08:41 -0500

    Gary,
    I agree that mercury is probably the best.
    I found some on the Internet but the price
    is very high. What mercury do you use:
    I mean what purity grade?
    Alex.
    
    On Mon, 21 Feb 2005, Gary J. LaPook wrote:
    
    > I always have used a little bowl filled with mercury which I filter
    > through cloth first to remove the dross.
    > When done, I pour it back in a small bottle for storage. It is much
    > better than any other liquid and you can even shoot dim stars.
    
    
    

       
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