MAGNETICAL OBSERVATIONS, 



Horizontal intensity. Experiments of deflections. Distance 1.3 feet 



I806. August 7, 5" 33- to 5" 52- P. M. Deflecting magnet D 3. 



Magnet. 



North pole. 



Circle reading. 



Mean. 



2u. 



E. 



tt 



W. 

 It 



w. 

 w. 



E. 



E. 

 W. 

 W. 



Temp. 



132° 47' 65" 

 47 10 

 132 48 



47 20 

 132 48 40 



48 20 

 132 48 30 



48 15 

 139 40 



39 40 

 139 40 20 



39 50 



47' 32" 



47 40 



48 30 

 48 22 



39 50 



40 5 

 Mean 



6° 51' 31" 



6 51 9 



84.5 



Experiments of deflections. 

 1856. August 7, b^ 57- to 6^ 17- P. M. 



Magnet. 



« 



(( 

 E. 



North pole. 



E. 



E. 



W. 



W. 



E. 



E. 



W. 



W. 



Circle reading. 



128° 42' 50" 

 42 20 

 128 43 10 



42 30 

 143 52 40 



52 

 143 52 30 



52 5 

 143 44 10 



43 40 

 143 44 5 



43 40 

 128 40 5 



39 30 

 128 40 



39 30 



Distance 1 foot. 



Deflecting magnet D 3. 



Mean. 



42' 35" 



42 50 

 52 20 

 52 17 



43 55 

 43 52 

 39 47 

 39 45 



Mean 



2u. 



15° 9' 36" 



Temp. 



84°.2 



15 4 7 



15 6 52 



84.2 



