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Open-Block-Dial_HERO

Open Block Dial

Open Block Dial

  • Exhibition Text

    • Pearwood, brass

      1616, Germany

      The long pin at the dial’s center can cast a shadow on any of the four inner walls marked with hours as the Sun moves during the day. Markings on these walls also provide a guide to seasonal changes and the zodiac. Decorative outer walls have hour markings for shadows cast by devices at the top.

      AMNH Hayden Planetarium Collection 2027

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