Ink on type blocks from 13th century, lab finds
TheaterJun 19, 2011
Ink stains on movable metal print types, claimed to be the world’s oldest, have been scientifically shown to be from the Goryeo Kingdom of Korea (918 ― 1392), Hong Wan, a scholar from Korea Institute of Geoscience and Mineral Resources, said on Saturday.Hong, speaking at a forum organized by the Institute for Social Science Research of Kyungpook National University and Cheongju Early Printing Muse