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    Re: Determining Actual Time of Meridian Passages Before Computers
    From: Jim Martin
    Date: 2007 Jan 13, 15:46 -0800

    Dear Greg,
                  I think that most observatories had what were called
    Transit telescopes.The Greenwitch museum still has the setup used by
    Flamsteed.I believe that in the early days opticians also used them to
    adjust chronometers for mariners.
                  Jim.
    
    
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