752 Dr. Bottomley and iMr. King : Experiments with 



Experiment 6. — A copper wire w was passed round the 

 outside o£ the electroscope so as to connect together the two 

 outside metallic coatings a, a. A fine wire v was then attached 



Fig-. 3. 



To "Ea 



to this surrounding wire, and was connected to the aluminium 

 wire m, «, from which the gold leaves are hung. Thus the 

 gold leaves are put in metallic connexion with the outside coating 



