Handheld rotating 50-year calendar.
12-second video:
Previously:
Wooden celestial mechanical calendar and orrery - video and photo
Genesis orrery - video and photos
Antikythera Mechanism
Handheld rotating 50-year calendar.
12-second video:
Previously:
Wooden celestial mechanical calendar and orrery - video and photo
Genesis orrery - video and photos
Antikythera Mechanism
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KustomsbyKent (Oct 28, 2018), PJs (Oct 29, 2018), Seedtick (Oct 25, 2018)
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