Following the movement of a shadow during the day is a way to track time. Try it yourself by making a sundial. A very long time ago (long before there were digital clocks and mobile phones), people ...

Curator Peggy Kidwell solves the mystery of a pocket sundial from the 1600s Peggy Aldrich Kidwell and Sara J. Schechner First, a bit of background on sundials. From ancient times, people have used ...

Shan Macdonald, Curatorial assistant for Scientific Instruments selected this object from the Hunterian Museum's collection. Shan writes - This beautiful instrument was made in the early 18th century ...

These days, you probably aren’t going to consult a sundial. But the ancient time-telling devices are all over DC, and we were curious to learn more about them. Dedicated in 1905, the Washington ...

Get unlimited access to ad-free articles and exclusive content. LiveScience A mysterious Viking sundial found in Greenland may have helped the ancient mariners sail at the same north-south latitude ...

Sundials, one of humanity’s oldest ways of telling time, are typically permanent installations. The very good reason for this is that telling time by the sun with any degree of accuracy requires ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This French universal equinoctial ...

Click to open image viewer. This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information ...