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 ...

Pocket watches are all well and good, but they have some caveats. They either need regular rewinding, or they need batteries. Sundials on the other hand need only the light from our One True Sun.

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 ...

WE have received a small portable sundial of ingenious construction, made of aluminium (“Kosmos-Sonnenuhr”. Stuttgart: Franckhesche Verlags-handlung). The workmanship is neat and attractive, and the ...