среда, 2 февраля 2011 г.

Four great Chinese inventions.

A compass
A compass
 
1.The magnetic adaptation for definition of parts of the world in the afternoon days. 






2.Chineses used similarity of the pig-iron grenades filled with gunpowder.

Gunpowder

Gunpowder









3.Originally Chinese paper was used for packing, during an epoch of Troetsarstvija it was used for writting, at a dynasty of Tan there was a toilet paper and paper sacks for tea packing, at a dynasty of Sun — paper money.
A paper





Publishing

4.The technics of printing of wooden engravings was known in China since IX century.  

Publishing


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