'In 11th century China, Pi Sheng made this out of clay; about 1445 Gutenberg used metal'
Movable Type
INVENTIONS: In 11th century China, Pi Sheng made this out of clay; about 1445 Gutenberg used metal
In 11th century China, Pi Sheng made this out of clay; about 1445 Gutenberg used metal
In 11th century China, Pi Sheng made this out of clay; about 1445 Gutenberg used metal
INVENTIONS
Movable Type
INVENTIONS