M A G N E TIC SUR V E V <> !•' J- E N X S V I. V A X | A . 



Philadelphia. — Continued. 



Date, 



Time. 



N IK-. 



July 20 



2 h 10 m P.M. 



No. 1 



No. :; 



Dip. 



71° 53'. 4 



71 4(i.s 



'• i' i Fahr. 



92°. 5 

 87.6 



Dip \. hen loaded. 



ft 



17° 54'.5 



10 :;!.i 



I'!], j. 



71° 5 1'. I 

 71 56.5 



Relative total 



int. 'Unity. 



1.1762 



1.1893 



Mi ;m 



7 1 55.3 



1.1827 



N. B. Needle No. 1. Weight in last hole of end 15. 



Xo -'I. hole nearest to end 15. 



Doylestown, Pa.— Twenty-four miles N. of Philadelphia, by turnpike 150 feei X. 50 \\ 

 of middle of back of .Methodist Epis. Church, on west side of a ci ked apple tree. 



Tim.-. 



July 22 10 h 30 m A.M. 



Needle. 



Dip. 



No. 1 

 No. 3 



72° 24'. 7 

 72 11.1 



Temp. Fahr. Dip when loaded. 



81°.0 



81.8 



16° 50'. 1 

 1!) 20.7 



Dip reduced. 



<r 





72° 25'. I 

 72 20.8 



Relative total 



ilit.-n.it y 



1.1602 

 1.1814 



Mean 



72 2::. l 



1.1708 



Clear, cirro-cumulus, wind fresh from S. W. 



Easton, Pa. — Yard S. of Lafayette College. 



Date. 



Time. 



July 22 4" 40"' P.M. 



Needle. 



No. I 



No. 3 



Dip. 



72° 13'.:-; 

 72 24.3 



Temp. Fahr. : Dip when load. .1 



6 



Dip reduced. 



87°5. 



85.5 



17° 02'. 2 

 19 35.2 



72° 44'.0 

 72 34.0 



Relative total 

 intensity, 



1.1572 

 1.1800 



Mean . 



72 39.0 1.168G 



Wilkesbarre, Pa. — On a small knoll to X". E. of town. Under a chestnut tree near river bank, 



same side as town. 



After completing observations with needle No. I, wind too high, moved into valley to X. E. 

 New station bears from steeple of Presbyterian Church X. 54° E., and the old station from the 

 new bears N. 55° W., about 120 feet. 



