It was not until the 14th century that scientists created the first sophisticated astronomical clocks.
The first sophisticated astronomical clocks were not created until the 14th century.
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- Feb 2022
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www.scientificamerican.com www.scientificamerican.com
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the first precision-geared mechanism known is a relatively simple—yet impressive for the time—geared sundial and calendar of Byzantine origin dating to about C.E. 600.
The first known precision-geared mechanism is a sundial and calendar of Byzantine origin dating to circa 600 C.E.
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