A pendulum clock designed 300 years ago has been certified as the world’s most accurate in its class by time-keeping experts from Guinness World Records. The pendulum clock design was created in the ...
For millennia, humanity's one-and-only reliable way to keep time was based on the Sun. Over the course of a year, the Sun, at any location on Earth, would follow a predictable pattern and path through ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Aaron D. Crane (1804-1860) of ...
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