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. Photograph by Evy Mages.. Dedicated in ...
“A sundial for sounding the hours,” from Athanasius Kircher’s Ars magna lucis et umbrae (Rome, 1646) (courtesy Linda Hall Library of Science, Engineering & Technology) On Time: The Quest for Precision ...
PASADENA, CA: Do you know the local time on Mars? Ask one of The Planetary Society’s Student Astronauts. An image of a Mars-based sundial, called a MarsDial, has been processed by these teenaged ...
Educator Ruth Mork teaches kids about clocks — from sundials to cuckoo clocks to roosters. Ruth Mork introduces clocks of all kinds — sundials, candle clocks, hourglasses, cuckoos, even a rooster! She ...
Originally published: New York : Plenum Press, 1998. siris_sil_562392 ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Title supplied by cataloger. Historic ...
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