164 



RETORT ON 



Q 



I 



O 



a 



O 



u 



o 



o 

 U 

 u 



o 



2 



g 



1 



8 



c 



E 



Q 

 u 



g 



O 





 I 



I 



u 



Co 

 Dev 



Deviation of 

 Compass in 

 Degrees. 



of 

 in 



iation 

 pass 

 Points. 



Dev 



Assumed Magnetic 

 Direction of Ship's 

 Head. 



ooo oooo o o 



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





W 



H.* w W W 5 ^ 



c/J 



o5w-.fr 



-(- 

 th 



th 



ie 



ted 

 co 



desi 



East 



lu 

 C 



to 

 wi 



follo 



4o'. 

 E 



-f-o 



A deviation of the North Point of the Co 

 deviation to the West by the sign . 

 rom the observations given above, th 

 tion are obtained : 

 A = + o 2i'.o B 



a 



F 

 devi 



Corrected 

 Deviation of 

 Compass. 



^oooooooooooooooooooooooooooooooo 

 ft ir> S> S> \n \n \n \n n f> <r> m >n >^i ui >o ui >o >n ui ui >o u-> n m 



of 

 in 

 . 



eviati 

 Comp 

 Degr 



Deviation 

 Compass 

 Points. 



o Q Q o Q Q 



W 



> fc 





> 



'* 



Z U 



ign 



ents 



lowing values of 



3o'.o C = 

 E= o s'.2 



A deviation of the North Point of the 

 a deviation to the West by the sign . 

 From the observations given above, 

 deviation are obtained: 

 A==+l S5'.2 B 

 



