Documents Sui -Tang – Song. (Han)-Sui-Tang-Song Block printing Porcelain Mechanical clock (water) Movable...

Sui -Tang â Song Sui -Tang â Song 1 (Han)-Sui-Tang-Song Block printing Porcelain Mechanical clock (water) Movable Type Gunpowder Paper money Magnetic compass Rice (champas…

Documents Sui -Tang – Song

Sui -Tang â Song Sui -Tang â Song 1 (Han)-Sui-Tang-Song Block printing Porcelain Mechanical clock (water) Movable Type Gunpowder Paper money Magnetic compass Rice (champas…