466 



Mr. T. Andrews. 



Table A — continued. 



[June 16, 



E.M.F. in volt, and electrochemical position of magnetised 

 bar compared with the unmagnetised bar, the positive or 

 negative position of the former being respectively indicated 

 by the signs + and — . 







Column 7. 



Column 8. 



Column 9. 



Column 10. 



Time from 















commencement 



























and duration 







-A.cjua regia, 

 2 parts 



TT1VO nnrl 



1 r»5iT>f TTP1 

 l. pdrii xi v^i, 



diluted to 



one-half 



with water. 









of magnetisation 







Hydro- 







in minutes. 



Nitric Acid, 

 sp. gr. 1 -388, 

 1 part, and 4 parts 

 water. 



chloric acid, 

 sp. gr. 1-16, 

 diluted to 

 one-half 

 with water. 



Sulphuric acid 

 (concentrated), 

 sp. gr. T84. 







I. 



II. 



II. 



II. 



I. 



II. 



hrs 



mins. 























o-ooo 



o-ooo 



0*000 



o-ooo 



000 



o-ooo 







1 





+ -004 



+ '002 













2£ 





+ 0-006 









-o -ooi 







3 





+ 009 















4 





+ -012 















5 



+ 0-012 



+ 0-011 



+ -004 



— '0004 



-0-003 



-0-002 







6 





+ 0-010 















Ik 





+ 0-007 



+ -006 













9 



















10 



+ 0-011 



+ 0-003 



+ 0*011 



-0 001 



-0*004 



-0-003 







11 





+ 0-005 





• • 











12 





+ 0-005 



+ 013 



• • 











12£ 









•• 











13 





+ -005 



•* 













14 





+ 0-003 



+ 0-014 













15 



+ 0-013 



+ 0-001 



+ -027 



-0-001 



-0-005 



-0**005 







16 







+ -027 



•• 











17 







+ 0-014 













19 



















20 



+ 0-014 



+ 0-004 



+ 0-025 



— 0-001 



-0-006 



-0-005 







22| 







+ -oio 



-o-ooi 











25 



+ 0-013 



+ -004 





-0 -ooi 



-0-005 



-0-006 







30 



+ 0-012 



+ 0-005 



+ 004 



-o-ooi 



- -007 



-0-006 







35 



+ 0-013 



+ -005 





-o-ooi 



-0-008 



-0-006 







40 



+ 0-012 



+ -004 





a -Am 



-0-009 



-0-006 







45 



+ 0-012 



+ -003 



+ 0-001 



-o-ooi 



-o-oii 



-0-005 







50 



+ 0-012 



+ -003 





-o-ooi 



-0-012 



-0-005 







55 



+ 0012 



+ -004 



+ o'-ooi 



-0-002 



-0-014 



-0-006 



1 







+ 0-011 



+ -004 



+ -ooi 



-0-002 



-0-016 



-0-006 



1 



15 









-0-003 



-0-022 



-0-007 



1 



30 









-0-002 



-0-022 



-0-003 



1 



45 









-0-004 





-0-008 



2 













-0-004 





-0-009 



2 



20 













-0-028 



3 

















-0-009 



3 



15 













-0-021 



