154 



REPORT ON 



O 



u 



o 



a. 



C/3 



I 



I 



E 



a 



N 



be 



S 



Deviation of 

 Compass in 

 Degrees. 



Deviation of 

 Compass in 

 Points. 



s 



? 



0.( 



1 



med Magnetic 

 ction of Ship's 

 Head. 



'Jj M ^.^.f^^^ _ ^.35 ON W C^^O m O r*1*tvr>f.fTfr* M fO ** *o m W O 



1 ++++++ 1 1 1 M M 1 1 1 +++++++ 1 1 1 1 1 1 1 1 



+4++++ 1 1 1 1 1 M 1 1 1 ++++++++ 1 1 1 1 1 1 



w" w'ww'wwu'w'w'w'w' www w' 



t^-^M O OO O 

 t^vo ul -t M N "* 



+ * 



a, 





& - 



W 



+ 



a. ' 



* 



W 



u 



u 

 |- g 



'- 



\ ji .5 ".+ 



^~ t v n 



b. 

 O 



u 



Q 

 u 



S 



i 



Q 



X 



O 



i 



g 

 o 



ooooooooooooooooooooooooooooooooo 



- - ~ n iy-, -1- ro n ro cl ro n M - - rf roro MNi^i^rou^ri^-^ 

 O O O - O r^i^C C O O C^OO vO f^ O N "^vO t^t^t^.t^^-0 O * rO^J-f^i-i O 



++++++ I I I I I M I I I I +++++++++ I I I I I I + 



"booooooooooooooooooooooooooooooo 



fOfOfir^fOfOflfO 



o 



- 



1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 l-l 1 ++++++ 1 1 1 1 M 1 1 



of 

 in 



Devia 

 Com 

 Po 



* 



w w w w w w w w w w w w w w w w " 



)N O - N N -H-vO 

 ft r^ <i- u->\o 1^ 



. 







i 



u 



-(- 

 th 



nts 



ci 



si 

 t 

 o 



t is 

 ues 



o the Eas 



lu 

 C 



o 



,+ 



the 



A deviation of the North Point of the Com 

 a deviation to the West by the sign . 

 From the observations given above, 

 deviation are obtained : 

 



s'.o B 



N 



'"iA 



ro 



