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    Re: Pave Diagram / veater Diagram
    From: Zvi Doron
    Date: 2004 Mar 26, 16:21 +0000
    Dear Mr. Koberer,
    Thank you for this information. Does any of these sources explain how it actually works?

    Wolfgang_K?berer <koeberer@NAVIGATIONSGESCHICHTE.DE> wrote:
    Dear Zvi Doron,

    not having seen the illustration in "Air Navigation" by Weems I can only
    suspect that the Fav? Diagram is the "ingeniously contrived graphical method
    for solving spherical triangles" (Cotter) first published by Fav? and Rollet
    de l`Lisle in 1892. It is described in Cotter`s "History of Nautical
    Astronomy" (p. 338) and in Chap. XXI ("Comparison of Various Methods of
    Sight Reduction") of the 1977 edition (Vol. 1) of the "American Practical
    Navigator" (p. 601-602).

    It is also referred to in the "Lehrbuch der Navigation", Vol. II (Berlin
    1906), p. 171, which points out that it has been reissued by H. Maurer in
    "Annalen der Hydrographie..." in 1905. According to Bencker "Regimen of the
    Sea or Nautical Compendium" the diagram was published under the title
    "Abaque pour la d?termination du point ? la mer" in the "Annales
    hydrographiques" in 1892 and in the "Revue Maritime" in January 1893.

    Best regards,

    Wolfgang Koeberer

    Life member of
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