Needham, Joseph; Wang, Ling       
            
        
          History of scientific thought        
      
            
        Cambridge, Cambridge University Press   1975 
(Science and civilisation in China, Volume 2)
            (Science and civilisation in China, Volume 2)
        xxiv, 697pp; Illus, 7 plates, tables; 26x19cm   Cloth with dustjacket      
            
        First published 1956        
      
                
 
      