Figure 66 



R&D Intensiveness of U.S. Industry, 1960-70 



R&D/net sales 



R&D scientists & engineers 

 per 1,000 employees 



Figure 67 



R&D Intensiveness of Groups of Manufacturing 

 Industries, 1960-70 



R&D/net sales 



(Percent) 

 12 



R&D scientists & engineers 

 per 1,000 employees 



80 



