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    Re: The shipwreck of Admiral Shovell
    From: Fred Hebard
    Date: 2007 Aug 27, 23:23 -0400

    Thanks George,
    Regrettably, I did not have time to look at the paper.
    On Aug 27, 2007, at 3:14 PM, George Huxtable wrote:
    > Fred Hebard wrote-
    > | I looked at the figure.
    > Fred, I hope you read May's paper, too. It tells you a lot more.
    > | If they could have had a good longitude,
    > | they would have been better off.
    > Of course, that's true; it would help. But when you look at the
    > spread in
    > their deduced latitudes, of a group of ships who were all sailing
    > together,
    > and realise that within a few hours they had actually arrived at the
    > latitude of the Scillies, it's clear that errors in latitude were
    > the real
    > problem.
    > | It doesn't matter if you're at the
    > | latitude of the Scillies if you're not also at their longitude.
    > That's true as well. But in those days, ships were ignorant of their
    > longitude, and KNEW they were ignorant of it. In which case, they
    > had no
    > business to be anywhere near as far North as the latitude of the
    > Scillies,
    > until they had firmly established, by soundings, that they were
    > further East
    > than the Lizard. That was established practice, for vessels
    > approaching the
    > Channel from the West.
    > George.
    > contact George Huxtable at george@huxtable.u-net.com
    > or at +44 1865 820222 (from UK, 01865 820222)
    > or at 1 Sandy Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
    > >
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