Metadata
Author: ParaCrawl Corpus
Data
English[en]
Even though the Chinese knew how to produce steel as early as the third century, it was not until the Bessemer converter, patented in 1855, that the cost of steel manufacture was reduced to the same level as that of cast iron.
Finnish[fi]
Vaikka teräksen valmistus tunnettiin Kiinassa jo 200-luvulla, vasta 1855 patentoitu Bessemer-konvertteri alensi teräksen tuottamisen kustannukset samalle tasolle valuraudan kanssa.