TABLES 292, 293.-DIELECTRIC CONSTANTS (continued). 283 



TABLE 292. Standard Solutions for the Calibration o! Apparatus for the Measuring of Dielectric Constants. 



TABLE 293. -Dielectric Constants of Solids. 



References on p. 284. 



* For the effect of temperature, see Gray-Dobbie, Pr. Roy. Soc. 63, 1898; 67, 1900. 

 " wave-length, see K. F. Lowe, Wied. Ann. 66, 1898. 



SMITHSONIAN TABLES. 



