166 



Mr. T. Andrews. 



[May 3, 



Table D. 





Current between polar terminals and central equator of magnetised iron bars when in solu- 

 tions, E.M.F. in volt, the central equator was electro-negative in every experiment. 



Time from 



Experiments with magnet centre and both 

 poles exposed. 



Experiments 

 with magnet 

 centre and 

 south pole only 

 exposed. 



Experiments 

 with magnet 

 centre and 

 north pole only 

 exposed. 



Experiments 

 with magnet 

 centre and 

 south pole only 

 exposed. 



commencement 















of 



magnetisation. 



Column 1. 



Column 2. 



Column 3. 



Column 4. 



Column 5. 



Column 6. 





Cupric 

 chloride 

 solution. 



Cupnc 

 bromide 

 solution. 



Nitric acid, sp. 

 gr. 1-42, and 

 potassium 

 bichromate 



(concentrated 

 solution) in 



equal volumes. 



Nitric acid, sp. 

 gr. 1-42, and 

 potassium 

 bichromate 

 solution in 



equal volumes. 



Cupric 

 chloride 

 solution. 



Cupric 

 chloride 

 solution. 



• 



seconds. 



















o-ooo 



o-ooo 



o-ooo 



o-ooo 



o-ooo 



o-ooo 



15 



0-007 







'002 



-014 



012 



30 



0-014 



0-004 





-004 



023 



-015 



45 



0-022 









0*027 



"014 



minutes. 















1 



0-015 



0-005 



0-004 



'006 



-030 



0-016 



2 



0-022 



0-007 



0-009 



0-006 



0-038 



-017 



3 



0-025 



0-009 



0-014 



0-006 



-051 



0*025 



4 



A .flQQ 



U Voo 



A • AAA 



A . AOO 



0-006 



061 



0-031 



5 



0-039 



0-009 



0-023 



-007 



"063 



-038 



6 



0*040 









-064 



0*042 



7 



0-044 





0-014 



"007 



-064 



"045 



8 



0-050 









0-061 



0-047 



9 



0-044 









0-061 



0-050 



10 



0*042 



0-013 



0-009 



0-006 



0-061 



0-051 



12| 



0-038 







005 



0-054 



053 



15 



0-038 



O-O09 



0-009 



0-004 



0-051 



0-052 



1H 



0-036 



0-014 











20 



0-037 



015 



0-009 



o-ooi 



0-053 



0-055 



25 



0-032 



0-017 



0-006 



0-004 



0-053 



0-057 



30 



0-036 



020 



0-004 





0-051 



059 



35 



034 



0-020 







0-051 



0-069 



40 



0-031 



0-028 







0-051 



0-072 



45 



hour. 



0-028 



0-029 







0-051 



0-072 



1 





0-034 











1 30 





0-043 











2 30 





0-058 











