A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Michael Bradley
Date: 2016 Aug 15, 15:37 -0700
... for the Graphical Logarithmic Tables references
... those who use the Haversine/Doniol sight reduction method could use a Log/Antilog graphical table to eliminate its single 'troublesome' multiplication step
... the only one of your references I could find on ABE Books was the Lacroix and Ragot / Macmillan, so I've ordered one copy
... the book will take a while to post itself to UK, so that's a project identified for later in the year...