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Re: How did Sumner navigate in 1837?

Subject: Re: How did Sumner navigate in 1837?
From: George Huxtable (george@XXX.XXX)
Date: Fri May 16 2003 - 10:39:58 EDT

Jim Thompson asked some interesting questions about the Sumner line, which
have been well answered by Herbert Prinz.

I wonder if he is aware that a book has just appeared, title "Line of
Position Navigation: Sumner and Saint-Hilaire: the two pillars of modern
Celestial Navigation", by Michel Vanvaerenbergh and Peter Ifland. Ifland is
the author of that wonderful book on navigational instruments, "Taking the
Stars"

I haven't seen the new book yet, but hope to soon. It's published by
Unlimited Publishing LLC. It includes a reprint of the entire 1843 first
edition of Sumner's book, and translations of two articles by St Hilaire.

George Huxtable

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contact George Huxtable by email at george@XXX.XXX by phone at
01865 820222 (from outside UK, +44 1865 820222), or by mail at 1 Sandy
Lane, Southmoor, Abingdon, Oxon OX13 5HX, UK.
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