LUD Barrett, Brown & Haprretp—On the Electrical Conductivity and 
700 
Tonsvte st 
OTe Cor per 
90 
30 
70 
60. 
Tors. 
S Sy 
re) 2 4 6 8 70 72 74 76 78 20 22 24 26 28 30 
Per- centage of Nckel. 
Fic. 10. 
50 
Leregt r cent. produced by 
load of 140 toms per) sg. vck. 
72 74 76 % 20 
Per. centage of Michel, 
Fie. 11 
22 2, COS 30 
