392 Profs. Fleming and Dewar. Dielectric Constants 



XXIV. Dielectric Constant of Borotungstate of Cadmium. 



Corrected galvanometer deflection when the condenser had air as 

 dielectric — 4*13 cm. for 100 volts. 



Mean 



Temperature galvanometer 



in platinum deflection Dielectric 



degrees. in centimetres, constant. Observations. 



-206-0 5-07 6-07 



-171-0 5-50 6-58 



-156-5 6-15 7-37 



-140-5 8-70 10-40 



-1227 12-65 15-20 



— 109-2 15-50 18-70 



Fid. 2. — Curves showing the Variation in Dielectric Constant with Temperature 

 of various Frozen Electrolytes. 



