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26 maio 1268 ano - Sir Roger Bacon

Descrição:

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 fev 2018
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26 maio 1268 ano
Agora
~ 757 years ago
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