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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Proportional logarithms
From: Henry Halboth
Date: 2004 Aug 25, 09:53 -0400
From: Henry Halboth
Date: 2004 Aug 25, 09:53 -0400
This is particularly addressed to George, Fred, or one otherwise experienced in short methods for clearing Lunar Distances, or perhaps in the use and construction of proportional logarithms. I am working on an otherwise undiscussed short clearing method, circa 1820, which I intend to post for discussion, and am having some difficulties verifying certain tables then published therewith, which include the use of proportional logarithms. For example .... A table of logs entered with the Sun'