XVII. — New Investigation o/" Laplace's Theo- 

 rem, in the Theory of Attractions. Poisson's 

 Remarks on this Theorem. By Robert 

 Rawson, Esq. 



(Read December 7th, 1847.) 



Let each of any number of material points, P, ; 

 P2 ; P3 ; &c. &c. attract a material point P with a 

 force inversely as the squares of the distances PP,; 

 PP2 ; &c. &c. The resultant of these forces in 



