18 



M A G N E TIC sr R V E V V P E N N S Y L V A X I A. 



West Point, N. Y.— North of Mansfield House, 5 feet X. W. of pier marking Courtenay's 

 Station. 



Union College, Schenectady, N.Y.— Under large poplar tree in Dr. Potter's garden, 15 

 yards from S. W. end of College. 





Temp Fatal 



July 27 4 h 13 m P.M. 



" " :, nl " 



Cylinder 

 Bar 



80°. 

 78.5 



No. ol Beries 



Nil of 

 vibration* 



Time of Corr'd. 



In v tbrations. 



500 

 250 



38'.260 

 40.413 



38".220 

 10.323 



Horizontal 



intensity 



Phil. I 0000 



n 8408 

 0.8381 



Mean 



0.8394 



Dip 



Temp r.tlir 



Dip \\ lien loaded. Dip reduced. 



Julv 27 



1 it 1 ' A. M. 



Xo. 1 

 X... 3 



74° 55'.6 

 7 4 39.9 



7'.' 3 

 79 2 



17" 42'.0 74° 57'.2 

 21 27.2 7 4 49.9 



Relative total 



intensity. 



L.1327 

 1.1597 



Mean 



7 4 53.6 1.1462 



Utica, N. Y.— On the hill S. of the city ; residence of Judge M. S. Miller, Esq., S. W. corner 

 of John and Rutger Streets. N. W. corner of house, S. 12° W. 



X. E. 



S. - E. 



July 2* 3 h 30" P.M. No I 



• i; 00 ■• No. .". 



< lloudj 



Dip. 



-, I 49'. 6 

 74 39 t 



Temp. Fabr. 



83 5 

 83.5 



Dip w hen loaded 



15° 48' 5 

 19 31. G 



Mean 



Dip rednced. 



i 



74- 51'.2 



74 4'." I 



7 1 50.3 



Relative total 



intensity. 



1.1 -2-2o 

 1 1 165 



1.1342 



