868 Mr Southerns, Experimental Investigation as to Depeoidence 



10. July 19th. Used left side only. A wire was passed 

 through case and bent inside into proximity with the field plate 

 and end piece of beam, but without touching them. This could 

 be connected to one terminal of a Daniell cell, the other terminal 

 being connected to balance case. 



A. Wire not connected to cell. 



B. Wire connected. 



