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Simplified Chinese version

《律吕》

Library Resources
1 律吕:
《物理论》云:十二律吕候气,先于平地为室三重,重有三重壁,扬子所谓九闭之巾也。外室南户,以布为幔;次室北户;内室南户,并以布为幔。皆上圆下方,闭密无风。人居其中,三日观之。十二律各以木为桉。每律各内庳外高,以律加其上,依位安置之。以河内葭莩灰实其端,若气至,吹灰去管首,小动为和,大动为臣强。李淳风云:自古言乐声律吕者,皆本于十二管,以气应灰飞为验。后魏末,孙僧化造六甲一周历,其序云,以管律候某月某时律气应。推校前后五六事。皆不与算历家术数相符。此外诸书,无言候气得应验者。以理推寻,恐无实录。后魏信都芳,自云,造风扇候二十四气,每一气至。其扇輙举。斯又验矣。出《感应经》

URN: ctp:taiping-guangji/161/lvlv