Table 91 , 

 RELATIVE ACCELERATION OF GRAVITY AT DIFFERENT LATITUDES. 



Ratio of the acceleration of Kra\ity at sea level for each lo' of latitude, to its acceleration at 



latitude 45°. 



Sas 



O.CX)2640 cos 2(p -\- 0.000007 COS' 2 (p 



Smithsonian Tables. 



207 



