10 



m a ( ; n i : tic s r n v e v < > p p e n nsylt a n i a . 



w 



illiamsport, Pa.— From the academy S W by S. 350 feet, in the angle of a road. 



July 28 



Time. 



Needle, Temp. Pahr. 



Cylinder 

 Bar 



70' .7 

 73.2 



No. of series. 



No of T ■ "f 



vibrations. 10 vibrations. 



Corr'd. 



1 I | [ ! | Qtftl 



L HI. 11-11 '. 



Phil i I 



inn 35-.560 35'.540 0.9560 



392 37.740 37.682 0.9559 



.Mean 



0.9560 



July 28 



L0 h 30 m A.M 

 :j 10 P.M. 



Dip. 



No. 1 i 72° 52'.5 

 No. 3 72 U.6 



Temp. Fahr. 



74°.8 

 77.6 



Dip wben loaded. lHn reduced, 



8 i 



Relative total 

 intensity. 



15° 57 '2 

 IS 41.2 



Mian 



72° 53'.2 

 72 51.3 



1.1473 



1.1684 



72 52.3 L.1578 



Bellefonte, Pa.— Graveyard near S. E. corner. Steeple of Presbyterian Church bears AY. 8° S. 



July 30 111" 15'" A.M. 



Dip. 



Temp. Fahr. 



No. 1 | 72° 41'.9 

 No. 3 72 32.2 



[o 



Dip when loaded 



15° 53'.8 

 18 09.2 



Dip reduced. 

 i 



Mean 



72° 42'.6 

 72 41.9 



72 42.3 



Relative total 



iuteusiiy. 



1.1 192 

 1.1665 



1.1578 



Clear, a few cirro-cumuli. Wind, a gale from W. N. W. 



Curwinsville, Pa.— West branch of Susquehanna, in a meadow above dam, which is less than 

 Ath of a mile from Ross's Tavern, under tree by river side. 



Onto. 



NViMli' 



Aug. 1 



Cylinder 

 Bar 



Temp. Fahr. 



71°.5 



73.5 



No. Of MTir-H. 



No. of 

 vibrations. 



4IMI 



400 



Tiuio of 

 In vibrations 



35".501 

 37.655 



Corr'd. 



35".479 



37.5115 



.Mean 



Horizontal 



intenKity 



ri.il. 1.0000. 



0.H595 

 0.9604 



0.0600 



