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    Re: The "golden rule of three" - what's that?
    From: Paul Hughes
    Date: 2018 Feb 16, 00:33 -0800

    At boys school there were only four things. 1, the altitude - from the horizon to X the body. 2, the zenith distance - from the body to your zenith - ZX. 3, the declination - from the equinoctial to the body - QX. 4, your latitude - from the equator to your zenith - QZ.

       
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