MAG N B TIC S D R V E V P 1' E N N S Y I, V A X I A . 



Economy, Pa. 



Date. 



Aiii^. 8 



No. 1 



Dip. Temp. Fahr. 



72° 27'.7 



86° 



hip w hen loaded. 



6 



Dtp reduced. 



S 



17° 54'.5' 



72° 35'.0 



Relatii 

 Intensity. 



1.1662 



Mean 



~rZ 35.0 



1.1662 



Cloudy, wind S. W. 



Homewood, near Pittsburg, Pa. — Six miles S. E. from Pittsburg, under trees near gully 

 in front of house, nearly X. of it. 



I'. a-. 



Temp. Fahr. 



No. ol 



No. "f 

 vibrations. 



Tin f 



10 vibrations 



Corr'd. 



Horizontal 



illt.-ll-ll V 



Phil. 1.0000. 



Aug. 13 6 h V. M 



( Jylinder 

 Bar 



T _' 7 

 66.5 



310 



300 



:;.V.ol7 

 37.320 



34 S . ( .M>4 

 37.292 



0.9732 



0.9733 



Mean 



0.9732 



Cloudy, cumulus, and cir-cumulus. 



Dip. 



Tornp Fahr. Dip when l.<:ulr<t. 



Aug. 10 



a ii 



Noon 



No. 1 



No. 3 



72° 34'.3 



72 24.9 



77 



old weight 



+ 3° 34'.7 



now weight 



16 17.1 



old weight 



+ 45.9 



11HV v. 



is 25.8 



Dip minced. 



Relative total 



iutt-iisily. 



72° 29'.9 



72 32.2 



1.0090 

 1.1550 

 1.0529 

 1.1711 



Mean 



,2 31.0 



1.0012 

 1 1630 



Steubenville, Ohio. — Across river from city, in a glen near city ferry, about 100 feet E. of 

 mad ; Bchoolhouse bears W. 4° S. 



Auk. 15. 



Dip. 



10 h 15'"A.M 



No. 1 



X... :; 



72° 35'. 8 

 72 27.0 



Temp. Fahr. 



72° 



72 



L>ip when loaded. 



14° 07 '.3 

 16 13.0 



Dip reduced. I Relative tutal 

 (T Intensity. 



72° 31'. 4 

 72 34.3 



1.1380 

 1.1534 



