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23 mar 1899 ano - Optical pyrometer
Descrição:
Everett F. Morse invents the optical pyrometer for measuring temperatures at a safe distance.
Adicionado na linha do tempo:
SciVis
By
Ethan Douglas
26 set 2018
0
0
245
Data:
23 mar 1899 ano
Agora
~ 125 years ago
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