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    Witchell method
    From: Ducruy Jacques
    Date: 2013 May 29, 12:27 -0700

    Hello,

    I had find explanation about some method for clearing the lanar distance (Borda, Dunthorne, Krafft or Mendoza), but nothing for the Witchell method (I find the mathematical explanation).

    Have you any infurmation on this subject ?

    Thank you in advance


    Best Regards

    Jacques


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