GRAY. 



Fig. 3. 



joo 





H in C.G.S. Units. 

 Specimen of Pure Nickel. 

 1&I\Specimen m Annerled Condition. 



E&E' 



, » . Quenched 



Specimen tested at Room Teniperrture. 

 . —ldO°C. 



Fig. 4. 



w' 300 

 CO 



o; 



O eoo 























A 











III 

 II 











^00 



300 











/ 







r 



50 



/00 



/3o eoo 



H /n C.G.S (7n/ts. 

 Mrngrnese-Nickel Specimen ; 5/b Mn. 



I*I',«5pEC/MEN IN FlNNlRLEO CONDITION. 



E&H' . . . Quenched 



