m. 



ON THE ELECTRIC .COLUMN, 



Barom. TItcrmom, Hydrom. 



36. 4 P.M..r30a5-'--71 • 



9 ...... id. -..681- 



^7. 8 A.M. ••30- 13 61 . 



11 ...... 30-11 Q>\' 



28. 1 P.M. ••30 30 65 . 



3 30 40 66 . 



29. 7 A.M,--30-5o 5Q . 



12 ...... id. ....64 • 



8 P.M. ••30-53 68 . 



30. 7 A.M.^^ id. 581- 



J i P.M. •.30-50 m ' 



4 ...... id. ...-Q^^., 



9 id. .•••67 • 



3,1, 7 A.M." id. 60 . 



2 P. M.^. 30-45. •,••6.8 . 

 June gi 30-48 ^9 • 



1. 8 A.M.- •30-45. •••63 . 

 11 30-44 64 • 



3 P.M. ••30-45 69 • 



9|. ....... id. ....69 • 



2. 7 4- M.- •30-42.... 62 .. 

 11 ...... id. ....'Q5, • 



2 P.M.. •30,38 Qd\' 



3. 6iA.M.-. id. .....64 . 



1,0 30-40. ..-65 . 



4^ P.M... 30-38 69 . 



4. 8 A.M.. .30-45 60^^^ 



11 30-40 63 • 



. 2fP.M.^^ id. ••••68 . 



Numb ofstrik, in 5 wm/*. 



Wilhthcne- 

 With the gat exlrem. 

 ground. of the col. 



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-.38 44.... 





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•of 

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'^b^fct of th^ 



In the last days of these observations, I had some reason 

 to suspect, that something had been deranged in the appa- 

 ratus, but I could not examine it, as I was preparing to 

 leave Windsor* for spending the Summer in Devonshire, 

 where 1 write this paper. However, the defect which I sus« 

 ptfcted did not interfere with the object of this last series of 



♦bservatigns 



