Before revision: The contemporary 3rd century source of the Weilüe, written by the East Han Dynasty politician Yuan Huan also described the south-pointing chariot of belonging to the Chinese mechanical engineer and politician Ma Jun.
After revision: The contemporary 3rd century source of the Weilüe, written by the East Han dynasty politician Yuan Huan also described the south-pointing chariot of belonging to the Chinese mechanical engineer and politician Ma Jun.