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26 mai 1268 - Sir Roger Bacon

Description:

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

Ajouté au bande de temps:

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ByViviana Escobedo
5 févr. 2018
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219

Date:

26 mai 1268
Maintenaint
~ Il y a 756 ans
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