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This ingenious incense burner from the Tang Dynasty (618-907) features a nested gimbal mechanism that keeps the embers level no matter how you move. It's a masterpiece of ancient physics that predates modern navigation tools.
This ingenious incense burner from the Tang Dynasty (618-907) features a nested gimbal mechanism that keeps the embers level no matter how you move. It's a masterpiece of ancient physics that predates modern navigation tools.