NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Longitude by observation of the Sun, 19th Century
From: Ducruy Jacques
Date: 2013 Jun 14, 08:27 -0700
From: Ducruy Jacques
Date: 2013 Jun 14, 08:27 -0700
Frank,
Can I submit to you a little study about the transformation of the "fundamental formula" writed by me few years ago ; I had trying to explain how the "fundamental formula" was be transformed for get the "Borda's formula" and the versines/Haversines formulas used in UK.
I hope you read the french.
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