Astro-skeleton, demo of solar and lunar eclipse prediction functions

This video explains the way the tellurian is able to predict not only when, whether in the future or past, but where on the Earth a solar or lunar eclipse will occur. It must, of course be remembered that with a mechanism so small as this one where the Earth globe is barely under 1.5“ or 3.5 cm in diameter as well as the small season sector dials, the accuracy is limited. Also one can get an appreciation of the amount of fine engraving that was needed to produce the various dial readouts in connection with
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