84 



in the method of investigation, in effect, the same as the 

 second formula of M. Delambre,* And it is not probable 

 chat a formula for the correction of the distance more con- 

 venient in practice, can be found. But the attention ne- 

 cessary to be given to the signs of the quantities renders 

 it less convenient, than, the method in which the corrected 

 distance is obtained. 



* Conn, des Temps, pour Ann. 14, p. 31, &c. &c 



Tab. 



