( 677 ) 
H gauss 
8600 
18100 
21800 
23300 
24200 
TT ^20°.3K. 
Hence - 
Tl5°.8C. 
TABLE IX. 
Field -f- Field — 
^15°.8C. J 15°.8 C. 
1.0559 1.0553 
1.0591 1.0601 
1.0593 1.0567 
1.0564 1.0572 
1.0563 1.0628 
mean 1.0574 1.0564 
1.0569 not corrected for dilatation. 
Similarly for the ratio of the magnetization at 14°.0 K. 
15°.8 C. we find 
: — : = 1.0616 not corrected for dilatation 
that at 
a ratio which deviates from the foregoing in the expected direction. 
Collecting the foregoing results we find in this branch of the 
research for the ferromagnetic substances omitting the correction for 
dilatation (see note 2 pg. 11) 
Nickel = 10548 
ll7°.3C. 
Iron - = 1.0210 
1-20° C. 
Magnetite ~° — K - — 1.0569. 
Jl5°.?C. 
(March 24, 1910). 
