John Schilke
Thu, 01 Jul 2010 16:36:15 -0700
On 2010 July 1, at 14:02, Willy Leenders wrote:
The formula of John Schilke is a good one when you divide the result by 15
Exactly so; apologies! I forgot to copy that step. John John Schilke jfs...@ipinc.net
--------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial