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--- Begin Message ---Many thanks to Bill for finding this video. More than a sundial – an astronomical compendium. It is certainly worthy of a detailed account in one of the sundial publications. Regards, Doug > On 30 Mar 2025, at 04:55, Bill Gottesman <billgottes...@gmail.com> wrote: > > Here is a link to a youtube video (in German, which I do not know) which has > many images that shed light on this dial. There are some string accessories > that seem nomographic that I do not understand. At 11' 30" the video seems > to show a small angled mirror in the center of the base but I can't discern > its function. > https://youtu.be/veIM6xheY04?si=1w_IowZZs03NPS4_ > > -Bill
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