THE PRESSURE WITHIN THE EARTH 



71 



The pressures for the earth, calling the radius 10, are as fol- 

 lows, the unit being a million atmospheres: 



Distance 



from 

 center 



O 



I 



Pressure in 



million 



atmospheres 



1.25 



O.85 



O.50 



- 0.2I 



O.OO 



The pressures in the spheroid if e=.$ are about 4 per cent 

 less, and if e=.4 are about 2]/ 2 per cent, less than pressures 



