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On a tour of the Royal Observatory at Greenwich I saw the following display on the history of mechanical clocks:

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They suggest that mechanical clocks and astronomy weren’t really combined in England until the 16th century.

Now I thought mechanical clocks came into use in the 13th century.

My question is: When did spring-driven clocks start being used?

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    $\begingroup$ Again ? In the same Wiki's article we can find : "Spring-driven clocks appeared during the 15th century". $\endgroup$ – Mauro ALLEGRANZA Apr 16 '18 at 15:14
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Spring-driven clocks were invented in 15 century (as pocket clocks). Clocks had no use in astronomy in the beginning (neither weight-driven nor spring-driven) because they were not accurate enough. Accurate clocks require a pendulum or a balance, and these are 17th century inventions.

https://en.wikipedia.org/wiki/Nuremberg_eggs

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  • $\begingroup$ Fantastic answer - any chance of a reference, person or place or year? $\endgroup$ – hawkeye Apr 16 '18 at 21:27
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From the British Museum we can see one of the first spring driven clocks built in 1450 here:

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