Tables 18, 19. 



CONVERSION FACTORS. 



01 



a 



o 





o 



Pi 

 H 

 H 



(4 



o 

 I 



w 



l-l 



H 



n 

 « 

 bo 



o 



P 



EH 



d 



in 



fl-4 

 Hi 





m 



o 

 o 



g 



o 



•J 



Smithsonian Tables. 



18 



