A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Position-Finding
From: David C
Date: 2018 Dec 3, 19:50 -0800
The author of
"Tables for Azimuths, Great Circle Sailing, and Reduction to the Meridian, with improved "Sumner" and Marcq St Hilaire Method"
was H S Blackburne (Extra master). He was described as
Late Nautical Adviser and Principal Examiner of Masters and Mates in New Zealand.
Was Blackburne dead? No!