Search Results       Your search for [author]Sung, Ying-hsing, , fl. 1615-1644 returned 1 record.           T'ien-kung K'ai-wu ; Chinese technology in the seventeenth century. by Sung, Ying-hsing, , fl. 1615-1644; University Park: Pennsylvania State University, 1966. Subject: Science -- History -- China; Technology -- History -- China.          Add to Book Cart Relevance: 56.91%