13 févr. 1241 - 1241 Cast metal movable type printing - Korea
Description:
The song dynasty's ceramic tiles that were used for movable type printing were very fragile. But then the Koreans created a new cast metal movable type printing which was much more stronger and durable.Ajouté au bande de temps:
Date:
13 févr. 1241
Maintenaint
~ Il y a 785 ans