A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
From: Henry Halboth
Date: 2018 May 11, 01:36 -0400
Frank,you recently posted a short note on time sights and I forgot to comment/ask question. So, did you write " time sights were used until the 1940s" for longitude"? Not the USN?? I vaguely recollect Mixter says early 1900s?
All have a good day!