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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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6 mar 1849 ano - J. Plucker built one of the first cathode-ray tubes.
Adicionado na linha do tempo:
Final Timeline
By
Tommy Worcester
27 set 2017
0
0
735
Data:
6 mar 1849 ano
Agora
~ 176 years ago
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