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15 dic 1913 año - JJ Thompson Invented The Mass Spectrometer

Descripción:

JJ Thompson invented the Mass spectrometer for working out the weight of atoms at the age 57.

Añadido al timeline:

Chemistry Timeline

Bys870831
1 oct 2018

fecha:

15 dic 1913 año
Ahora mismo
~ 110 years ago
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