484 



Mr. G. W. Walker on the 



Temp. 



Ratio. 



Ratio 

 1 0214 • 



Ratio X (1+00380?') 



120 



1 -0214 



l + -0038iJ 



(1 + -0038 



11-8 

 23-7 

 32-0 

 56-1 

 76-4 

 90-5 



8-160 

 7-810 

 7-605 

 7-015 

 6-585 

 6-300 



7-995 

 7-660 

 7-460 

 6-895 

 6-475 

 6-200 



8-355 

 8-350 

 8-370 

 8-365 

 8-355 

 8-335 







Mean 8-355 





For NH3 gas a = '00382, so that the temperature-effect; 

 are accounted for within the limits of experimental error. 

 Hence we get 



0003742 P f . . -0135 P 



11=1 + 



1 + 



(1 + -00380 076 ! * * (1 + -0038^)76 



Hence for the Na line at 76 cms. and 0° C. we oet 



/XNa=l + -000379. 



Baedecker^s observations on K are reduced in the folio win o- 

 table. 













. 















CE. 





























es 



3 















■^ 























c^ 



+ 















^— ^ 





ii 



^^ 











00 



■10 







+ 



I— < 



9 



^^r:^ 



Temp. 



e. 



K-l. 





00 



+ 



I— 1 



+ 



T— 1 



|.i 



+ 



X 



- 



+ 

 1 



i 







1—1 









1 + 



1 



+ 



1 





■^ 



+ 









^ ^ 



^ — " 



M 







I— I 



18-4 



291-4 



-00730 



00721 



•00771 



2-246 



1 

 2-011 



190 



292-0 



-00704 



00695 



-00745 



2-175 



1-947 



59-4 



322-4 



•00547 



00541 



•00663 



2-204 



1-945 



62-1 



335-1 



-00538 



00532 



•00657 



2-201 



1-941 



83-8 



356-8 



-00483 



00477 



•00629 



2-244 



1-963 



95-3 



368-3 



-00453 



00448 



•00610 



2-246 



1^957 



108-4 



381-4 



-00434 



i 



00430 



-00607 



2-315 



2-008 











Mean.... 



. 1-96 



