MAGNETIC OBSERVATIONS. 



179 







8 

 p 



U 



SB 



o 



P 



U 



c5 



u: 

 tn 



< 



ft 



S 

 O 

 U 



Q 

 PS 

 < 



I 



O 

 H 



> 



a 

 Q 



bl 



H 



pulco, June i, 1866. 

 + o 6'. Correction fo 



A 

 t 



o o . 



e 



t> 

 



o 

 s in 

 es. 



Deviatio 

 Compas 

 re 



om 

 De 



Deviation o 

 Compass "in 

 Points. 



agnetic 

 f Ship's 

 d. 



Assume 

 Directio 



w w w ^ 



X w 



+ * 



c **- 



tJ3 O 



" 5 in 



4) -ti 



i 1 



^ 1 



S o 



I 8 



a | 



, 



1 v" 



E 



8- 



4. 



866 



Panama, May 

 ct =+ o i'. 



C 



1.81 



^1 



o > o 



2 S S 



viation 

 mpass 

 Points. 



ev 

 Co 



J" o 



CXCJ 



i 



OC'-'-'NNNW 



Ot--'ON h- "^ M '^' iri "^^"'^'' - O' -NN '~ IMH * 



+++++++ ++ ++++++++++++ 1 II 1 1 



med Magnet 

 Direction of 

 Ship's Head. 



Ass 



+ 6 



ID "S 

 ' 



0) 



I S ' 



- w 



, 



+ 



5 S * i 



^e gi 



