User contributions for 75.111.70.83
Jump to navigation
Jump to search
2 March 2014
- 00:3600:36, 2 March 2014 diff hist −24 Whitehurst & Son sundial (1812) →The Maths: The results in the table of hour angles were for latitude 51 degrees, 9 min, 36 sec (or 51.16 degrees). I corrected the table for Belper latitude 53.03 degrees.