1 ene 1844 año - Creation of the vulcanization treatment
Descripción:
 Vulcanization is a treatment method for rubber that allowed it to be strong and supple in hot or cold conditions. This was a change in rubber manufacturing and changed the automobile and bycicle industry. 
Añadido al timeline:
fecha:
1 ene 1844 año
Ahora mismo
 ~ 181 years ago 
Fotos:
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