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26 magg 1268 anni - Sir Roger Bacon

Descrizione:

Cientista Sir Roger explica como inventaron el polvora y los ingredientes necesarios. ombinan salitre, azufre y carbón hasta que se convierte en polvo.

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ByViviana Escobedo
5 feb 2018
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219

Data:

26 magg 1268 anni
Adesso
~ 756 years ago
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