The History of Jin is the most concise in the history of Song, Liao and Jin, but it seems unreasonable to put the contents of astronomical instruments in the history of Jin. It describes that the musical instruments of the Northern Song Dynasty were transported back to Beijing to return the gold after the destruction of the Song Dynasty, which provided precious historical materials for the vicissitudes of musical instruments in the case of repeated destruction.
Song Shi Tian Wen zhi