MAGNETIC OBSERVATIONS. 



135 



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Assumed Magnetic 



Direction of Ship's 



Head. 



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A deviation of tlie 

 a deviation to the W 



From the observa 

 deviation are obtaine 



Bahia, December 30, 1865. 



Assumed Magnetic Bearing of Object = N. 76 30' W. 

 Correction for Object =+ 2° 30'. Correction for Lubber Line = 0. 



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Assumed Magnetic 



Direction of Ship's 



Head. 



NORTH. 

 N. by E. 

 N. N. E. 

 N. E. by N. 

 N. E. 



N. E. by E. 

 E. N. E. 

 E. by N. 

 EAST. 

 E. by S. 

 E. S. E. 

 S. E. by E. 

 S. E. 



S. E. by S. 

 S. S. E. 

 S. by E. 

 SOUTH. 

 S. by W. 



s. s. w. 



S. W. by S. 



S. W. 



S. W. by W. 



W. S. W. 



W. by S. 



WEST. 



W. by N. 



W. N. W. 



N. W. by W. 



N. W. 



N. W. by N. 



N. N. W. 



N. by W. 



NORTH. 



A deviation of the 

 a deviation to the Wc 



From tlie observa 

 deviation arc obtainei 



