The magnetic compass was invented in China 200-206 B.C. The created was Ch'ien a chinese person. This early compass was not used for navigation at first, it was used for divinaton to determinate firtuitous placement of buildings but now it is an instrument for determinig direction relativevto the earth's magnetic poles. It discovered in Medieval Europe. There are a lot of types of magnetic compass depens for the use that you want do it.
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