186 



Mr. T. Andrews. 



[June 6, 



Table H. 





Electro-chemical effect between north and south polar terminals of 





magnetised steel bars. E.M.F. in volt. The electro-chemical posi- 





tion of the north polar terminal was positive, except where other- 





wise indicated. 







Time from 











commence- 











ment of 





Cupric sulphate solution. 





experiment. 













Set V. 



Set VI. 





Electrolyte 



Electrolyte 



Electrolyte 



Electrolyte 





below. 



above. 



below. 



above. 



seconds. 















0-009 



— 0-014 



—o -on 



-004 



30 



-006 



— -006 



- -004 



-006 



minutes. 











1 



-006 



o-ooo 



-0-003 





2 



0-007 



-004 



o -ooo 





3 



-006 



-003 



o-ooo 



o-ooo 



4 



-006 



-002 



-002 



-002 



5 



-007 



003 



-004 



-002 



6 



0-009 



0-009 



-006 



-002 



7 



-oio 



0*009 



o -oio 



-002 



8 



o-oio 



0-006 



0-016 



o -ooo 



9 



o -oio 



0-004 



-020 





•10 



o-oio 



0-003 



0-023 





11 



-012 



-002 



0*023 





12 



0-013 



o -ooo 



023 



004 



13 



0-016 





0-025 



-009 



14 



-020 



o -ooo 



-028 



o -oio 



15 



0-041 



o-ooo 



-030 



011 



16 



-054 





-030 



o -on 



17 



110 





0-027 



0-009 



18 



"122 





-018 



-009 



19 



0-054 





016 



0-014 



20 



023 





0-016 



015 



21 



o-oii 





0-014 



0-016 



22 



0-009 



o-ooo 



0-027 



014 



23 



o-ooo 



0-009 



0-041 



0-018 



24 



0-004 



o-oio 



0-018 



038 



25 



0-004 



o -oio 





0-030 



26 





011 





0-014 



27 





0-014 





0-004 



28 





0-018 





0-009 



29 





025 





0-009 



30 





0-038 





010 



31 





054 







32 





0-072 







33 





0-110 







34 





203 







35 





226 







hours. 











2 





0-006 







