3 IO TABLES 345, 346. 



DIELECTRIC CONSTANTS (.continued), 

 TABLE 345. Change of the Dielectric Constant of Gases with the Pressure. 



TABLE 346. Dielectric Constants of Liquids. 

 A wave-length greater than 10000 centimeters is denoted by co . 



References on page 311. 



SMITHSONIAN TABLES. 



