iS<$ 



Talle of Labour. 



XXXI. Proceedhigs of hearn.cd Societies. 



SOCIETY OF ARTS AND SCIENCES AT UTKECHT- 



X HIS !-ocicty, in its sitting of Juiie the 1.5th, proposed the folr 

 lowins; new prize question, to be answered before the 1st of Oc- 

 tober 1 805 : 



As the la&t obser\'ations and experiments on clecti'icity, the 



ijlectric 



