NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The Nautical Mile and the arc minute
From: Gary LaPook
Date: 2015 Jun 5, 12:25 -0700
From: Gary LaPook
Date: 2015 Jun 5, 12:25 -0700
Wright gives the great circle distance from London to Cuzco as:
"almost 97 degrees, of a great circle that is 1940 leagues or 5820 miles," 60 miles per degree.
BTW, what everybody calls a "Mercator" chart should actually be called an "Edward Wright" sice he was the one who created the table of Meridional parts needed to create accurate "Mercator" charts. See:
gl