22 



MAGNETIC SURVEY OF PENNSYLVANIA. 



Quebec, Canada. — In the Governor's garden, side of alley from gate to Wolfe's batten-, 20 

 military paces from entrance gate. 



Needle. 



Aug. 1 I. lo , 'oo'»A.M. 

 " " 10 22 



No. 1 

 No. 3 



Dip. 



Temp. Fahr. 



7 7 08'.5 

 77 07.6 



77°.0 



Dip when loaded. 



16° 54'.3 

 21 2t.:. 



Dip reduced. 

 i 



77° Hi' 1 



77 17.6 



e total 

 ■ aaity. 



1.1019 



1.1245 



Mean 



77 13.9 



1.1132 



Out of the city of Quebec, on the St. Louis Avenue; second house on avenue near road on 

 city side from Wolfe's Monument. In garden of Mr. Sampson, S. W. of Louse, under small 

 apple tree. 



Montreal, Canada, St. Helen's Island. South shore of island, at foot of hill, just below 

 two large elms growing close together, one rod below elms. 





Aug. 15 2 h 05 m P. M. 



ii .. ._> 25 " 



Needle. 



Hip. 



N.>. 1 

 No. :; 



70° 44'.8 

 76 37.7 



Temp. Fahr. 



73°.0 



72.0 



Dip when loaded. 



lli° 21 '.5 

 21 09.7 



Dip redaced. 



i 



Mean 



76° 4 0'. t 

 7<; 47.7 



76 47.1 



Relative total 



iutensity. 



1.1034 

 L.1298 



i. nor, 



