160 MEASUREMENTS ON THE ELECTRICAL CONDUCTIVITY- 



TABLE II 



1. The numbers in this column have been obtained by extrapolation of measure- 

 ments by G. Bredig (Zeitschr. f. phys. Chem, 13, 289, 1894), after converting- the 

 values expressed in units based on Siemens unit into values expressed in the inter- 

 national unit. 



2. Bredig, G. : loc. cit . 



3. The acetophenone used with the piperidine preparation had a specific conduc- 

 tivity. K = 2.87. io' 7 . 



