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17 Okt 1856 Jahr - Age of steel

Beschreibung:

Bessemer process - improved efficiency of steel production.
used a blast of hot air to purify molten iron and convert it to steel.

Zugefügt zum Band der Zeit:

andres carlos

ByAndres Carlos
19 Dez 2018
0
0
310

Datum:

17 Okt 1856 Jahr
Jetzt
~ 168 years ago
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