Concept
Version 4
Created by Boundless
Technological Advancements under the Song
Woodblock printing
The Bencao on traditional Chinese medicine; printed with woodblock in 1249, Song dynasty.
A woodblock printed Chinese text in black and white.
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"Pen_ts'ao,_woodblock_book_1249-ce.png."
https://commons.wikimedia.org/wiki/File:Pen_ts%27ao,_woodblock_book_1249-ce.png
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Public domain.