360 TABLES438, 439- DIELECTRIC CONSTANTS (continued). 



TABLE 438. -Standard Solutions for the Calibration of Apparatus for the Measuring of Dielectric Constants. 



TABLE 439. -Dielectric Constants of Solids. 



References on p. 361, 



* For the effect of temperature, see Gray-Dobbie, Pr. Roy. Soc. 63, i8c 

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



SMITHSONIAN TABLES. 



67, 1900. 



