NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: line of position computer
From: Dave Walden
Date: 2008 Aug 17, 18:40 -0700
From: Dave Walden
Date: 2008 Aug 17, 18:40 -0700
once again, google patent has the answer: Patent number: 2373771 Filing date: Jun 24, 1938 Issue date: Apr 17, 1945 seems to be mechanical! --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---