Term-Day Magneti cal Observations June 18,19:1845. 
Plate. VII, 
s 
Observation 
Make ostonre 
i 
10) 
Vd: 
2) 
Bp 
7 
oF 
7 
or 
234 
27 
704 
19% 
78> 
rt? 
70% 
75* 
IH 
454 
72: 
va 
in \ 
ee qeour funy pore Oey 
Ascending Curves tndiucatle AECrenstng westerty declination and increasing force 
