836 



Mr. R. T. Lattey on the Dielectric 

 Fig. 4. 



(b) Tests with dilute solutions of potassium chloride. 

 Two different wave-lengths were used, and the circuit was 

 varied in such a way as to change both L and R. 



Table V. (a). — Details of Circuits. 



Eeference (i.) (ii.) (iii.) (iv.) 



X (metres) 50 50 77 77 



K 4-43 333 3'14 5'60 



E(approx.) 147 146 153 8"2 



