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Thanks George,

Regrettably, I did not have time to look at the paper.

Fred

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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