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    Re: Classification of the methods for clearing the LunarDistances
    From: Herbert Prinz
    Date: 2003 Apr 11, 03:21 +0000

    Hello George,
    A so called "New edition" appeared already in 1874 in London at Lockwood & co.
    ( x, 282 p. 1 illus.,  diagrs.). Chances are, you have a reprint of this. If
    there were truly another new edition in 1903, it should give the name of the
    editor, as  John Radford Young died in 1885.
    Cotter refers to a book from 1856 titled "Practical Astronomy, Navigation and
    Nautical Astronomy". I cannot locate it in any catalog. This might be the first
    edition or the base of the above. If so, the publishers did not try to cheat:
    Instead of updating the contents, they changed the title, indicating that the
    text was not practical anymore.
    Best regards
    Herbert Prinz
    George Huxtable wrote:
    > I have recently acquired a copy of "Navigation and Nautical Astronomy", by
    > J R Young ("formerly professor of mathematics in Belfast College"). This
    > copy was published as one of "Weale's Scientific and Technical series",
    > "New Edition 1903".
    >  The surprise was in the date for these examples and extracts,
    > which was 1858, 45 years earlier. It became clear that the 1903 "new
    > edition" was based on an earlier edition of the 1850s, in which the
    > examples had not been updated.
    > Delving into the contents provided further surprises. There was no mention
    > of position lines, or Sumner, or St Hilaire's "New Navigation", which dates
    > from 1875. Finding a ship's position was described entirely in terms of
    > obtaining the latitude and then, separately, the longitude: the techniques
    > of a generation of navigators, long before that "new edition" of 1903. It
    > appears that little or nothing had been updated for that "new edition".
    > It seems to me something of a scandal that such a text should have been
    > peddled at that date, presumably to aspiring navigators who wished to learn
    > their craft from it. It's relevance in 1903 was largely historical. No
    > wonder the poor fellows got confused.

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