110 



REPORT ON 



HORIZONTAL INTENSITY. OBSERVATIONS OF DEFLECTIONS. 



Philadelphia, October 24, 1865. 



1 

 1 



XI . 



Time. 



Temp. 

 t 



Si 



V S 

 la "3 



a g 



Diff's. 



Dist. 



1 



W. 

 E. 

 W. 

 E. 



4* 40" 



59-° 



I41I.5 



41-5 

 I4I-4 

 41.4. 



1414.5 

 41.5 



IOO a .O 















a 



1 



E. 

 W. 

 E. 



W. 



4 S3 



56. 



40.5 

 141. 8 



40.5 

 141. 6 



40.5 

 I4I-7 



IOI.2 



1 













Means 





57-5 



2u a 



IOO.60 







Gosport, October 30 



, 1865. 









Gosport, October 30 



, I865. 













i! • 

















5 • 







c 





Time. 



Temp. 



v 5 



13 "3 





Diff's. 



Dist. 





J3 . 



Time. 



Temp. 



s 



13 "3 



£ § 



Diff's. 



Dist. 



s 



?, 





t 



*| 



5^ 







g 



O B 





t 



en 



< S 









W. 



ii" 6"» 



59° 



391.2 











w. 



lib 20 m 



59° 



60*5 









1 



E. 



W. 







127.7 

 39-4 



39 a -3 

 127.5 



88*2 





l 



E. 

 W. 







105.7 

 60.0 



6o a .2 



105.5 



45 d -3 





E. 







127.4 











E. 







105-4 



























a 



































E. 







128.0 







N 





E. 







105.9 







« 





W. 







38.8 



127.6 



88.7 



II 



j 



W. 







60.4 



105.9 



45- S 



II 



S3 



E. 







127.3 



38.9 



** 



a 



E. 







105.9 



60.4 





w 



W. 



11 30 



59 



39-1 









W 



VV. 



11 48 



S« 



60.3 

























Means 





59.0 



2U d 



88.45 



Means 





58.5 



2U a 



'45 -40 









Coefficie 



at of to 



sion, z/ = 



7.82 di 



V. 





















