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24 magg 1794 anni - Joseph Louis Proust

Descrizione:

Proust was a French chemist that was best known for his discovery of the law of constant composition in 1794. This stated that chemical compounds always combine in constant proportions.

Aggiunto al nastro di tempo:

4 gen 2019
0
0
316

Data:

24 magg 1794 anni
Adesso
~ 231 years ago

Immagini: