Hé tú 河圖

The Yellow-River Chart

Anonymous (Léi Sīqí redaction); SòngYuán

A companion to Léi Sīqí’s (KR5d0034) Yì tú tōng biàn — treating the Hé tú 河圖 (Yellow-River Chart), the classical mathematical-cosmological diagram said to have emerged from the Yellow River in antiquity. Preserved as DZ 1013 / CT 1013 (Tài xuán bù 太玄部).