280 Tables 288, 289. 



DIELECTRIC CONSTANTS {.continued). 

 TABLE 288.— Ohange of tbe Dielectric Constant of Qases with tlia Presinre, 



Gas. 



Air 



Carbon dioxide . , 



« i( 



Nitrous oxide, N2O 



Temper- 

 ature,° C. 



19 



15 



15 



Pressure 

 atmos. 



20 

 40 

 60 

 80 



100 

 20 

 40 

 60 

 80 



ICO 



120 

 140 

 160 



180 



10 



20 



40 



10 

 20 



40 



Dielectric 

 constant. 



I.OI08 

 I.0218 

 1.0330 

 1.0439 

 1.0548 

 I.OIOI 



1. 0196 

 1.0294 



1.0387 



1.0482 



1.0579 



1.0674 

 1.0760 



1.0845 



1.008 

 1.020 

 1.060 



I.OIO 



1.025 



1.070 



Authority. 



Tangl, 1907. 



Occhialini, 1905. 



Linde, 1895. 



TABLE 289.— Dielectric Constants of LUnlds. 



A wave-length greater than loooo centimetres is denoted by 00. 



References on page 281. 



Smithsonian Tables. 



