Here is my take on this type of sundial.
Easy to make and use - and economical. to boot. http://www.twigsdigs.com/sundials/eq/eq.html
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Here is my take on this type of sundial.
Easy to make and use - and economical. to boot. http://www.twigsdigs.com/sundials/eq/eq.html
--------------------------------------------------- https://lists.uni-koeln.de/mailman/listinfo/sundial