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    Re: Making an artificial horizon, and leveling thereof
    From: Marcel Tschudin
    Date: 2011 Jan 23, 00:44 +0200

    Your discussion made me think on how one could make a mirror float in
    a way that it is level with fairly high accuracy. I think this is a
    question of the selected materials. A possible combination could
    consist in using e.g. glycerin as liquid which has a higher density
    than water and a plastic to carry the mirror. Polypropylene and
    Polyethylene have slightly lower densities than water. I'm not really
    a handy man but I could imagine that such a plastic could be cut or
    machined to higher dimensional accuracy than e.g. wood.
    Marcel
    
    
    
    

       
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