T. Mizuno on the Action of the Coherer, 



451 



sparks counted from the first, so that the number simply gives 

 the historical stage of the successive sparks. It is also to be 

 remarked that the signs of inequality and approximate equality 

 are used in Table IV. to indicate the relative quantities of the 

 constituent metals. rig 1 . 2. 



160 



150 



140 



130 





H 



120 



110 



100 



90 



80 



70 



■SO 



70 



60 



40 



Tin 



i^ionmim 



•s 



TASS/UM 



Po TASS/L/M 



10 10 1Q 



Number of Sparks. 



20 



