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1 h 10 m, 1 jan 1600 ano - The Abacus Ring
Descrição:
The Abacus ring was a very early version of the calculator watch, dating back to the Qing Dynasty in China.
Adicionado na linha do tempo:
Innovations in Wearable Tech
By
Nicholas Myers
14 dez 2017
0
0
363
Data:
1 h 10 m, 1 jan 1600 ano
Agora
~ 424 years ago
Imagens:
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