An interesting idea: http://technabob.com/blog/2011/04/07/gnomon-sundial-watch-concept/
Fred Sawyer
--------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial
An interesting idea: http://technabob.com/blog/2011/04/07/gnomon-sundial-watch-concept/
Fred Sawyer
--------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial