Columbia subject headings:
Harvard subject headings:
Cosmology, Chinese.
Qi (Chinese philosophy)
Science--China--History--17th century.
Song, Yingxing, 1587-approximately 1666. Tian gong kai wu
Technology--China--History--17th century.
Princeton subject headings:
Cosmology, Chinese.
Qi (Chinese philosophy)
Science--China--History--17th century.
Song, Yingxing, 1587- Tian gong kai wu.
Technology--China--History--17th century.