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30 jul 1855 año - Bessemer Process "Henry Bessemer"

Descripción:

This was a process that created steel from iron. It was easier to produce this steel cheaply and effectively. This impacted America because it created stronger railroads which was this country's major transportation source.

Añadido al timeline:

11 oct 2017
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fecha:

30 jul 1855 año
Ahora mismo
~ 170 years ago

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