188 



Mr. T. Andrews. 



[June 6' 



Table I. 



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 





Cupric sulphate solution. 





commence- 











ment of 











experiment. 



Experiment 



Experiment 



Experiment 



Experiment 



No. 81. 



No. 84. 



No. 85. 



No. 86. 





Electrolyte 



Electrolyte 



Electrolyte 



Electrolyte 





below. 



below. 



below. 



below. 













o 



'004 



— '018 



a .ai a 



-0-014 



ou 



'002 



— 'Oil 



"009 



-0-006 



JLLHllU.Lt/0. 













"004 



- 002 



'009 



0*002 



2 



'004 



-ooi 



"009 



0-003 



3 



"005 



-002 



-oio 



0-004 





"005 



"002 



-on 



-005 







"005 



"003 



"Oil 



0-006 



o 



'005 



'004 



pi .AI 



-006 



1 



"006 



"005 



A .A1 1 

 U (Jll 



0-006 











-007 



'005 



-Oil 



0-007 



Q 



"009 



'005 



-on 



0-009 



1U 



009 



'006 



-010 



0-010 



JL L 



- 007 



0'006 



0-009 



-010 





f) -007 



0'006 



010 



-on 



13 



0-008 



0'006 



010 



0-011 



14 



0-004 



0-007 



0011 



0-012 



15 



0-004 



0-009 



0011 



0-012 



16 



0-005 



0-009 



0-011 



0-013 



17 



0-005 



0'009 



013 



0-013 



18 



0-006 



0-009 



0-014 



0-014 



19 



0-007 



0-009 



0-014 



0-013 



20 



0-006 



0-008 



0-054 



0-013 



21 



0-007 



0-007 



0-015 



-014 



22 



0-006 



0-006 



0-016 



0-015 



23 



0-006 



0-005 



0-017 



0-016 



24 



0-005 



o-oio 



0-017 



-017 



25 



0-005 



0-009 



0-019 



0-016 



26 



0-004 



0-009 



0-022 



0-017 



27 



0-007 



0-009 



0-024 



0-018 



23 



0-009 



0-007 



0-025 



020 



29 



0-006 



0-007 



0-026 



0-020 



30 



0-004 



-007 



0-027 



0-018 



