Needham, Joseph <br/><br/>
Heavenly clockwork :  the great astronomical clocks of medieval china / 
by Joseph Needham, Wang Ling and Derek J.DE Solla Price 
 - Cambridge :  The University Press,  1960 
 - xv, 254 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> PND . 65.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clocks and watches
<br/><br/><label>Dewey Class. No.: </label>681.110951