the Wave-Length within a Refractive Medium. 335 



Table III. 



Bisulphide of Carbon. 

















Specific 



Temp. 

 t. 



Sp. G-rav. 

 d. 



Index A. 



Index H. 



Angle A. 



Limit. 

 v. 



Mol. dist. 

 h. 



Limit. 

 v-1 



d * 



o 



1-5 

 230 

 38-0 



1-2909 

 1-2594 

 1-2494 



1-6227 

 1-6070 

 1-6026 



1-7159 

 1-6972 

 1-6922 



18 38 2 

 18 25 50 

 18 25 30 



1-5944 

 1-5799 

 1-5752 



•048505 



•04844 



■048559 



46048 

 46046 

 46038 





Another Specimen. 



10-0 

 245 



1-2793 1 1-6153 1 1-7078 |18 37 431 1-5869 1 -048673 1 45885 

 1-2593 | 1-6045 | 1-6954 j IS 30 45] 1-5770 | -048616 | 45819 



Corapa 



-ison of Values of Limit calculated from sine H and arc 6 a with 





corresponding angles for CS 2 at 10°. — H = 37° 44' 40 '• 





Line A. 



B. 0. 



D. 



E. 



R 



G. 



Sine ... 

 Limit... 



18 37 43 

 1-5870 



20 42 50 





24 19 59 

 1-5862 





29 54 4 

 1-5843 



34 19 40 



1-5847 



Arc . . . 

 Limit... 



18 39 46 

 1-5869 



20 41 52 





24 18 52 

 1-5861 





29 55 58 34 16 52 

 1-5849 i 1-5848 





Another value obtained by interpolation, H = 37° 29' 20". 



Sine ... 

 Arc ... 



18 35 2020 40 1021 40 40 24 16 50 27 23 3029 54 5034 13 40 

 18 35 10|20 40 40 21 40 0^24 15 30|27 21 1029 51 50|34 11 10 





The value of v lies between 1-5867 and 1-5852. 



Mint Hydrocarbon. 



Temp. 



Sp. Grav. 

 d. 



Index A. 



fiA. 



Index H. 



Angle A. 

 Bi- 



Limit. 

 v. 



Mol. dist. 

 h. 



Specific 

 Limit. 

 v-l 

 d ' 



6°5 

 25-0 



0-8926 

 0-8820 



1-4728 

 1-4650 



1-4988 

 1-4901 



ll 4 50 



10 58 



1-4632 

 1-4561 





51893 

 51712 





Benzene. 



2-0 

 23-7 



28-6 



1 0-8979 



0-8760 



1 0-8709 



1-5021 

 1-4893 

 1-4860 



1-5460 

 1 -5320 

 1-5279 



13 56 4C 

 13'SO'SE 



1-4873 

 1-4725 

 1-4720 



•039219 

 •039122 



•038892 



54272 

 54328 

 54196 



