CONSTITUTION AND TEMPERATUEE ON MAGNETIC SUSCEPTIBILITY. 285 

 For carbon bisulphide* 



Near 



A x 10 8 . 

 4340 (Eg 

 4860 (H p ) 

 5890 (D) 



1-6920 

 T6688 

 1-6443 



x = 5890 x io- 8 , a Mc jax = - 



From (2) 



For nickel t 



Q'0255 

 1030 xlO- 8 ' 



e (saturated) = , 6'53 X 10" X Q'23 X 1030 X 10~ 8 ^ 



o^iKauss) 0-0255 x 1480 xlO- 8 



Near 



and 



Ax 10 s . 

 2750 

 4410 

 5890 (D) 



X = 5890 x IO- 8 , 



ro9 



I '30 

 0'14 



= + 



3X 1480 xlO- 8 ' 



^(saturate.) = L G'35 X 10" X 014 X K)30x lO" 8 ^ 



Ot)255xl 480 xlO- 8 



CS a (H = 1 gauss) 



For cobalt} 



A x 10 s . 

 2750 

 5000 

 G500 



1'93 

 2'35 



Near 



X = 5890 



' 42 



, - 



SX 1500 xlO- 8 



Taking the reverse molecular field equal to that in iron 



?-Co(saturate rt ) 6'53 X 1Q 6 X 0"42 X % 1030 X 10~ 8 ^ , 



" 0-0255x1500 xlO- 8 



These values, although rather small, are comparable with the enormous ratios of 

 the rotations of saturated ferro-magnetics to diamagnetics, as actually observed 



* Loc. tit., p. 192. 

 t Loc. cit., p. 196. 

 | Loc. cit., p. 195. 





