324 



Mr. Take So'ne on the Magnetic Susceptibilities 









Table 



V. 











Jan. 13, 1917. 















Vacuum. 









CO 



2(p = 2h 



atm.). 



lh 15m 



p.m., £=17° 



OC 



., 6 = 20-0. 



3 h 15 m p.m., £ = 19° 



•0 C, 6=20-0. 





»i o =89-3657 



gm. 



m 



co 2 



-M» =8£ 



'5867 gm. 



c. 



S. 





S. 



C. 





S. 



& 



amp 



cm. 





cm. 



amp. 





cm. 



cm. 







53-30 





-8-50 









65-60 



-15-60 



10 



44-80 





-9-20 



10 





50-00 



-17-00 







54-00 





-7-90 



. 





6700 



-15-40 



10 



46-10 





-9-70 



10 





51-60 



-1660 







55-80 





-8-80 









68-20 



-16-40 



10 



47-00 





-8-90 



10 





51-80 



-18-10 







55-90 





-7-90 









6990 



-13-50 



10 



48-00 





-9-20 



10 





56-40 



-15-50 







57-20 





-8-00 









71-90 



-17-90 



10 



49-20 





-8-40 



10 





54-00 



-18-00 







57-60 





-8-10 









72-00 



-15-90 



1.0 



4.9-50 





-9-30 



10 





56-10 



-15-90 







58-80 





-8-90 









72-00 



-16-31 (mean) 



10 



49-90 





-9-70 















59-60 





-7-70 











10 



51-90 





— 8'68 (mean) 











Air (p=l atm.). 

 5 b 40™ p.m., ^ = 16 o, C, 6 = 20-0. 

 m„+m n =89-3706 gm. 



C. 



amp. 

 

 10 

 

 10 

 



cm. 

 53-70 

 54-50 

 53-70 

 54-60 

 53-70 



8. 



cm. 



0-80 



0-80 



0-90 



0-90 



- 85 (mean' 



Calculation. 

 d COi> - -16-31+8-68= - 703 cm., 



. ^=0-854-8-68=9-53 cm., 

 m co ; =0-2210 gm.,m a =0-0049gm., 



Co. 



Xa z 



-7-63 K 

 9-53 K 



00049 



= 1945 K, 



"co 2 

 x„ 



^ = -00177. 



The values of the susceptibility obtained in three sets 

 of observations which were made at a mean temperature 



18° C. are 



lO G .% ca ,= - 0-423, -0-429, and -0-416. 



The mean value is 



X CO2 =-0-42 3 xl0-e. 



In the above calculation the susceptibility of air is corrected 

 for the temperature at the time of measurement. As the 



