Jour. Sei. Coll., Vol. XU., Art. 7, PI. X. 



; : 3878-78 (Fe) 



0000 



30000 -> H 



X : 3859-90 (Fe) 



0-600 

 0-500 

 0-400 

 0-300 

 0-200 

 0-100 

 0-000 



^--^ 



10000 



20000 



30000-^ H 



Fig. 2. 



K. Yamacla : Magnetic Separations of the Lines of Iron, Nickel and Zinc in Different Fields. 



