190 Mr. T. Andrews. [June 6, 



Table J. 





Electro-chemical effect between north and south, polar terminals 





of magnetised steel bars. E.M.F. in volt. 



The electro - 





chemical position of the north polar terminal was positive, 





except where otherwise indicated. 





Time from 



A concentrated solution of potassium bichromate containing 

 nitric acid. 



commencement 

 of experiment. 





















Experiment 



Experiment 



Experiment 



Experiment 

 No. 96. 





No. 92. 



No. 94. 



No. 95. 





Electrolyte 



Electrolyte 



Electrolyte 



Electrolyte 





below. 



below. 



below. 



below. 



seconds. 















a • A9^ 



U U4D 



"000 



— "009 



-002 



30 



a • nn 



u Ull 



"004 



— "004 



A -AAzL 



minutes. 











1 



u uuo 



O - AAQ 



u uuy 



— "002 



"003 



2 



a .AAA 



u uuy 



A -AAzl 



u uu** 



000 





3 



A • AAQ 



u uuy 



A - AAA 

 U UU4< 



-006 



A -AAQ 

 U UUO 



4 



A . AT 1 



u u±x 



A • Al A 



U UJ-U 



A Al 1 



U UJlJL 



A - AAft 

 U UUO 



5 



A . Al 1 



U Ul± 



A -AAQ 



u uuy 



009 



A - AAQ 



u uuy 



6 



A • AAQ 



u uuy 



A -AAQ 



u uuy 



A - ATA 



u uj.u 



A -Al 1 



U UJ.JL 



7 



A . AA£i 



U UUO 



u uuo 



A Al 1 



U U.LJL 



A - AAQ 



u uuy 



8 



A .AAQ 



u uuy 



A - ATM, 

 U UU 1 * 



A -Al R 



A -AA9 

 U UU£ 



9 



"004 



A -AT A 



u uiu 



A -Al A, 

 U Ull 





10 



'004 



A •AAft 

 U UUo 



A Al 1 

 U UJ.X 



A -AAJ. 

 U UU-i 



11 





n -aaq 



u uuy 



n -Al A 

 U U±4< 



A -AAQ 



u uuy 



12 





010 



011 



0-004 



13 





0-011 



0-014 



o-oii 



14 





0-009 



0-013 



0-004 



15 



0-009 



o-oio 



0-014 



0-006 



16 





018 



0-016 



0-009 



17 



0-006 



o-oii 



018 



0-006 



18 





0-014 



0-023 



0-004 



19 





014 



0-018 



006 



20 



0-004 



o-oii 



023 



0-006 



21 





0-014 



0-027 



009 



22 





o-oii 



0-023 



o-ooo 



23 





0-018 



0-018 



0-018 



24 





0-023 



0-027 



0-009 



25 





011 



0-030 



0-004 



26 





0-009 



0-023 



o-oii 



27 





o-oii 



030 



0-016 



28 





0-009 



0-044 



0-020 



29 





0-009 



0-038 



0-014 



30 





0-004 



0-034 



011 



35 









0-009 



