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 21 Jan 2015, Shanghai – Can you imagine Christopher Columbus traveling without a compass? Compass is a simple device for orientation identification. It consists of a rotational magnetic needle loaded on a shaft and a directional plate. It is one of the four great inventions of ancient China that has exerted profound influence on the development of human civilization. Find out why the Chinese invented the magnetic compass?
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10/9/2022 06:52:50 pm
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5000 Years TeamWorld's First Chinese Inventions and Civilization Exhibition Archives
June 2016
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