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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Plumb-line horizon vs. geocentric horizon
From: Frank Reed CT
Date: 2005 Feb 4, 10:37 EST
From: Frank Reed CT
Date: 2005 Feb 4, 10:37 EST
Alex you wrote:
"Euler comes to the same conclusion,
after careful consideration of all other
possibilities. This is in his wonderful book
'Letters to a German princess' "
after careful consideration of all other
possibilities. This is in his wonderful book
'Letters to a German princess' "
Do you happen to know... who was she? Which principality?
And:
" where he explains
to her the current state of science
(with much emphasis on longitude too, of course. The news
about chronometer just had reached him from England
when he wrote this,
but he mentions this news with caution and scepticism)."
to her the current state of science
(with much emphasis on longitude too, of course. The news
about chronometer just had reached him from England
when he wrote this,
but he mentions this news with caution and scepticism)."
By the way, we have speculated about reasons why lunars were not valued by
navigators as much as they really should have been. A reason we haven't
discussed is the simple matter that the ticking machine *won* the contest. The
prize was a big deal.
-FER
42.0N 87.7W, or 41.4N 72.1W.
www.HistoricalAtlas.com/lunars
42.0N 87.7W, or 41.4N 72.1W.
www.HistoricalAtlas.com/lunars
