PROPAGATION 
OF MAGNETIZATION OF IRON. 

ps 
le 
{Ss} 
iO 

704 
OA 


20000 
g 
x = 




Watts 

afl 






















Coils 


e. 
n> 
—On7 



Je 



| 
177 peres |t7r| Ce 
N a 
ete Zz 
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