262 Prof, 'f yndall on the Xature of the Force by which 



Fig. 12. 



Presei'ving the same current iu the helix, and reversing the 

 polarity of the magnet, the deflection was that shown in fig. 13. 



Fig. 13. 



Preserving the magnet poles as in the last experiment^ and re- 

 versing the current in the helix, the deflection was that shown 

 in fig. 14. 



Fie;. 14. 



In these cases, the bar, in its final position of equilibrium, 

 enclosed an angle of about 40 degrees with the axial line. 



