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The Evolution of Timekeeping, Part 1 of 2

2023-05-11
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Ancient types of timekeeping apparatus depended upon naturally occurring phenomena. The oldest method of tracking time was based on the apparent motion of the Sun and the stars over the sky produced by the Earth's rotation on its axis.
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All Parts  (1/2)
1
2023-05-11
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2
2023-05-18
1782 Views