33
/fr/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
2372906
199811
2

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:

19 déc. 2018
0
0
310

Date:

17 oct. 1856
Maintenaint
~ Il y a 168 ans