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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 jan 1092 ano - Water clock - First mechanical water clock created by Chinese innovator.
Adicionado na linha do tempo:
Maths - History of time
By
Charlotte Best
21 nov 2019
0
0
463
Data:
1 jan 1092 ano
Agora
~ 934 years ago
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