1895.] in the Magnetic Permeability of Iron. 235 



DIAGEAM 2. 



100 



99 

 90 

 85 



^ 

 $75 



& 6 

 fc\ 55 

 S ?f 50 



'5.43 



1 



^~3 



^L 





^1 



10 ao 50 40 50 60 70 80 90 100 110 120 

 Days. 



s 2 



