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Why was the earliest magnetic compass used for geomancy in ancient China invented? What prompted them to create a compass for divination? - Quora
Did Chinese people make the first compass? - Quora
Magnetic Compass Was Invented In Ancient China - Ancient Pages
Early Chinese Compass – 400 BC - Magnet Academy
The San He Luopan
NTD Australia - The magnetic compass was first invented as a device for divination as early as the Chinese Han Dynasty and Tang Dynasty (since about 206 BC) | Facebook
Han Dynasty Compass - Ancient Chinese Compass - Lodestone - Grand Illusions
10 Ancient Chinese Inventions You Never Thought Were Chinese – Ninchanese
History Lesson: The Magnetic Compass - IEEE Spectrum
'Four Great Inventions in China' Si Nan Spoon Magnetic Han Dynasty Compass | eBay
Did Chinese people make the first compass? - Quora
