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17 oct. 1856 - Age of steel
Description:
Bessemer process - improved efficiency of steel production.
used a blast of hot air to purify molten iron and convert it to steel.
Ajouté au bande de temps:
andres carlos
By
Andres Carlos
19 déc. 2018
0
0
310
Date:
17 oct. 1856
Maintenaint
~ Il y a 168 ans
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