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Song Dynasty Compass
In the first half of the 11th century, Chinese mounted magnetic needles in boats or on compasses for maritime orientation and geomantic divination;…
Timeline
- c. 1035Southeast coast · southeast coastBoatmen rubbed magnetite against iron needles to magnetize them, placing them in a bowl of water or a compass to indicate direction, used for night voyages in overcast weather and holding ocean courses, as well as for feng shui and geomantic divination.
Sources
- Dream Pool Essays (梦溪笔谈) — 沈括 (1086)