30 juill. 1855 - Bessemer Process "Henry Bessemer"
Description:
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.Ajouté au bande de temps:
Date:
30 juill. 1855
Maintenaint
~ Il y a 170 ans