TABLE 20 



Atmospheric Pressure 



Conversion from millimeters of mercury to millibars-'^ 

 (1 ram of Hg = 1.33322 mbs) 



mm of Hg 



708 



TO9 

 710 



711 

 712 



713 

 71^ 

 TI5 



716 

 717 

 718 



719 

 720 



721 

 722 



723 



J2k 



725 



726 



727 

 728 

 729 

 730 



731 

 732 

 733 

 73^ 

 735 



*rhe hundreds digit is not recorded. The true range of this part 

 of Table 20 is 943-9 mbs - 981.I mbs. 



47 



