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Responding to John Karl's posting about St Hilaire, I had written-

| > It's rather strange: John and I seem to be referring to different papers
| > here. I just can't find any of that in the 1873 paper I have referred
to.
| > Perhaps John could give section and page numbers. If he is working from
the
| > same translation as I have, it follows the original pagination.

And John has replied-

| It starts in the section called "Calculation of a Single Observation"
| on page B2-345. In the second line he introduces the "estimated
| position" which is called the assumed position in all the modern
| treatments I've seen.

Aha! Now it's starting to become clearer. Indeed, John and I WERE referring
to different papers! The only identification of the paper was John's mention
of  "my English translation of his 1873 publication", and that publication
was the one I was referring to. This was "Note sur la determination du
point", as I said, and its date was 1873. And that paper is really little
more than an elaboration of the Sumner method, though I don't think that it
credits Sumnerin any way, or contains any reference to his pamphlet.

However, what John Karl now tells us he was quoting from, "Calculation of a
Single Observation" on page B2-345,  is not his 1873 paper at all, but is
taken from "Calcul de Point Observe", dated 1875. In the interval, St
Hilaire's ideas had advanced considerably.

John's comments about my response to his posting were based on a
misunderstanding about which St Hilaire paper I was talking about. Truly, a
bad example of mutual misunderstanding.

Now that's been resolved, I will return to John Karl's original posting and
re-read it
in a rather different light.

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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