NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Douwes method
From: Frank Reed
Date: 2013 May 29, 15:13 -0700
From: Frank Reed
Date: 2013 May 29, 15:13 -0700
Jacques, you wrote:
"is the Douwes method a "double altitude method" or an "ex meridian method" ?"
Douwes is the prototype of the double altitude methods for finding latitude. It was refined again and again in later years attracting a great deal of attention from mathematicians. It seems, though, from the evidence in the logbooks that it was only occasionally used at sea.
-FER
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