The invention and use of paper brought about ... during the Warring States Period. In the Han Dynasty compasses consisted of a bronze on which 24 directions were carved and a rod made from a ...
A famous example of a Chinese invention that helped to transform the world is paper. Paper was invented during the Han dynasty, probably just at the time the Silk Road trade was beginning to flourish.
Earliest records show a spoon shaped compass made of lodestone or magnetite ore, referred to as a "South-pointer" dating back to sometime during the Han Dynasty (2nd century BCE to 2nd century CE).
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