90 
Capt. Parry and Lieut. Foster’s 
February. 
Mean 
Time 
of Obser- 
vation. 
Deflections from the line 
of Zero. 
Temp. 
February. 
Mean 
Time 
of Obser- 
vation. 
Deflections from the line 
of Zero. 
d, 
E 
Needle No. 1. 
Needle No. 2. 
Needle No. 1. 
Needle No. 2. 
1825. 
P. 
M. 
<_ 
1825. 
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M. 
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m. 
O 
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