192 Mr. J. Daniel on the Polarization upon a 



Table I. 



30 per cent, sulphuric acid ; v = l'Q ohms. 



Plate. 



81 gold. 



83 

 84 

 85 

 86 

 87 



0-1345 



x. 



0-67 

 0-78 

 0-50 

 052 

 0-35 

 0-0 



I. 



0-0665 



x. 



0-33 

 0-35 

 0-23 

 0-24 

 016 

 00 



I. 



00443 



0-22 

 0-26 

 017 

 0-17 

 012 

 00 



I. 



0-0222 



0-12 

 0-14 

 0-10 

 010 

 0-05 

 00 



5 per cent. H2SO4 ; v = 5'7 ohms. 



SI gold. 



•078 



1-42 



00513 



093 



0031 



056 



#3 „ 



» 



1-65 



)> 



111 



j> 



0-68 



n „ 





1-19 





0-79 





0-48 



85 „ 





0-98 



>j 



0-67 



j? 



0-41 



86 „ 





0-70 





0-46 



jj 



0-28 



87 „ 



>j 



0-04 



jj 



0-02 



jj 



001 



Very dilute H 2 S0 4 ; v = 101'7 ohms. 



81 gold. 



•0047 



1-67 



00029 



1-02 



#3 „ 



jj 



1-72 



jj 



107 



#4 „ 



jj 



1-21 



jj 



0-74 



85 „ 



jj 



1-06 



jj 



0-67 



86 „ 



jj 



0-70 



jj 



0-42 



87 „ 



jj 



004 



jj 



0-03 



Table II. (Plate III.) 

 30 per cent. H 2 S0 4 ; v = lvL ohms. 



#0 gold (-25 millim.), decreasing current. Profuse gas. 



I 0-175 0093 0061 0'037 0018 0009 0-004 0002 



x ...... 2-83 2-37 203 1-28 067 0-33 0-17 0-09 



Same, with increasing order of current. 

 x 2-66 2-34 2-15 1-45 0-71 0-35 0-16 0-09 



Same, decreasing order again, without opening the circuit. 

 x 2-66 2-39 2-19 1-42 0-73 038 0*18 0-11 



Same, after circuit was closed 2-5 hours. 

 x 2-66 2-56 2-33 1-53 079 039 0-20 0-12 



Same, with increasing current again. 

 x 2-38 2-25 215 1-15 055 0-33 0-19 0-12 



81 gold. Very long time between readings. Gas. 

 x 2-36 2-39 2-29 2-27 2-18 210 1-90 1-02 



