APPARATUS FOR THE ELECTRIC LIGHT. 149 



with 88 '49 webers. Nevertheless, with the 10 lamps arranged 

 by Werdermann the velocity of 800 turns was sufficient 



fc 



According to Werdermann, the resistances of the circuit 

 were : 



For one lamp 0*392 ohm 



For five lamps 0^076 



For six lamps ,, 0-037 



