3IO 



Tables 345, 346. 

 DIELECTRIC CONSTANTS {continued). 

 TABLE 345.— Ohange ol the Dielectric Constant ol Gases with the Pressure. 



Gas. 



Air 



Carbon dioxide 



Nitrous oxide, N2O 



Temper- 

 ature ° C. 



19 



15 

 15 



Pressure 

 atmos. 



20 



40 



60 



80 



100 



20 



40 



60 



80 



100 



120 



140 



160 



180 



ID 



20 



40 



10 



20 



40 



Dielectric 

 constant. 



I.OI08 

 1.02 18 

 1.0330 

 1.0439 



1.0548 

 l.OIOI 



I.OI96 

 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 346. — Dielectric Constants ol Llqnlds. 



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



References on page 311. 



Smithsonian Tables. 



