390 Profs. Fleming and Dewar. Dielectric Constants 



XXI. Dielectric Constant of Barium Chlteride (BaCl 2 ). 



(23 per cent, (cryohydrate) solution.) 



Corrected galvanometer deflection when the condenser had air as 

 dielectric = 4" 15 cm. for 100 volts. 



Mean 



Temperature galvanometer 



Dielectric 



Observations. 

 Condenser charged to 98'8 volts. 

 Condenser charged to 19'8 volts. 



Condenser charged to 1'434 volts. 



t platinum 



deflection 



Dielectric 



degrees. 



in centimetres. 



constant. 



-2C5-0 



11-05 



2-62 



-198-2 



2-15 



2-52 



-173-7 



2-25 



2-64 



-145-0 



6-80 



8-20 



-1110 



2-10 



35-20 



-101-7 



4-05 



69-00 



-84-8 



9-75 



164-20 ? 



XXII. Dielectric Constant of Cujpric Carbonate (CuC0 3 ). 

 (10 per cent, in suspension in water.) 



Corrected galvanometer deflection when the condenser had air as 

 dielectric = 3*97 cm. for 100 volts. 

 Mean 



Temperature galvanometer 



in platinum deflection Dielectric 



degrees. in centimetres. constant. Observations. 



-201-6 10-15 2-48 Condenser charged at 99'0 volts. 



-202-0 10-10 2-47 



-198-0 10-10 2-47 



-189-8 10-08 - 2-46 



-178-3 10-08 2-46 



-168-3 10-15 2-48 



-158-0 10-23 2-50 



-149-2 10-55 2-58 



-146-7 11-40 2-80 



-142-0 2-25 3-02 Condenser charged at 18'2 volts. 



-132-7 2-55 3-42 



-124-7 12-00 16-50 



-120-8 1/25 21-80 Condenser charged at 1-434 volts. 



-112-9 1-90 33-30 



-104-3 2-70 47-00 



-85-0 3-00 52-60 



-78-5 2-90 50-80 



-69-0 3-20 56-20 



