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15 dic 1913 anni - JJ Thompson Invented The Mass Spectrometer
Descrizione:
JJ Thompson invented the Mass spectrometer for working out the weight of atoms at the age 57.
Aggiunto al nastro di tempo:
Chemistry Timeline
By
s870831
1 ott 2018
0
0
237
Data:
15 dic 1913 anni
Adesso
~ 110 years ago
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