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1 gen 1774 anni - Lavoisier and Proust

Descrizione:

Defined the elements as a simple substance that could not be broken. Also noted that elements always react in the same proportion.
(Law of Conservation of mass)

Aggiunto al nastro di tempo:

26 ott 2017
0
0
406

Data:

1 gen 1774 anni
Adesso
~ 252 years ago

Immagini: