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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
First sight reduction tables
From: Patrick Smyth
Date: 2014 Jun 6, 15:43 -0700
From: Patrick Smyth
Date: 2014 Jun 6, 15:43 -0700
Can anyone tell me how the first sight reduction tables were produced?
I believe the first edition (here in the UK) was in the 1930's with the looming war and the need for navigators being the driver for a simpler way to do the work. But how were all the calculations done, checked, and printed? Lines of people with mechanical calculators cranking away all day long?
