Sung Ying-hsing <br/><br/>
T'ien-kung k'ai-wu  Chinese Technology in the Seventeenth Century 
by Sun Ying-hsing, translated by E-tu Zen Sun and Shiou-chuan Sun 
 - London  Pennsylvania State University Press  1966  1966 
 - XIV, 372 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economy -- Society -- Technology -- Qing