TABLE VIII C. 



157 



Table VIII c— Observed Transmission, Using Small Spectrometer, and Prism 

 AT Variable Deviation, as Explained in the Text. 



1 30 

 35 

 40 

 42 

 44 

 46 

 48 



1 50 

 51 

 52 

 53 

 54 

 55 

 56 

 57 

 58 



2 00 



3 

 5 



10 

 13 

 15 

 17 



2 20 

 23 

 25 

 28 



2 30 

 32 

 33 

 35 

 37 

 40 

 42 

 43 

 45 

 48 



2 50 

 52 

 53 

 55 

 56 

 58 



3 00 



3 



5 



7 



10 



13 



15 



17 



3 20 



23 



25 



27 



30 



a Examined as a vapor in the gas-cell 5.7 cm. in length, 

 vapor only, divide each number by 70 per cent. 

 6 Solid film. 



To obtain the transmission through the 



