no 



REPORT ON 



y 



- 



< 

 



3 



a 

 u 



I 



CO 



D 



a 



H 



O 



a 



Q 

 0! 



I 



Id 



S 



n 



O 

 H 



E 



a 

 



X 



o 

 >: 



x 



s 



ul 



a 



/ 



I 



- 



H 

 _ 



- 



rt o 



2 w 



t 



>> .1 



"c . 

 rt ^* 



en o 





ation of 

 pass in 

 grees. 



Dev 

 Co 



m 

 De 



a 



C/3 



ic 

 's 



agne 



Shi 



med 

 ction o 

 Hea 



1-g22 ) 00 8S8 000 ?,8222228i-5- , 8gSS8r ( 5,$ 



: + ^ 



~t*t*ir) t^.00 CO OO 00 00 t*- vn N 



K . ii*uman>-+*-+r-1-t*xt H4e*"Pl'''*-"l 



O O O O O O O 



1 1 +++++++++++ 









jWW^ 



^^ w w w w ; 



>> >*- 



8 S - 



rt rt 



H 



3 

 2 





, 



I 



a 



_ 



" So 

 c .- c 







-g .2 



tSI"! 7 



? 1 



^Jll 



Video, January 24, 1866. 



o 13' Correction for Lubber Li 



Mon 



bject 



"boooooooooooooooooooooooooooooooo 



^ >M r^ rn f*> ro ro ^^^I^I^"NM"N>^IM^^ ^ f^ f^ HH 



O*-NN-^t-^-Tt-^J-NN^i-iM*.O^^OOO^fOf^ < * < *fOf^f^fOO 

 I +++++++++++++++ I +++ I I I I I I I I I || II 



Deviation of 

 Compass in 

 Degrees. 



Deviation of 

 Compass in 

 Points. 



+ ; 

 the 



t is designated by the s 

 es of the coefficients 



+++++++++++++++ +++ III 1 1 



val 



5s'. 4 C = o 4 

 E = o 2'. 2 



' 



f'- 

 i 



>5 Z ^ ^ ^ 2 w W W W W uj uj x c c Lo 



t tn c cox 



Assumed Magnetic 

 Direction of Ship's 

 Head. 



S5 W 



o :~ <~ 



K%%!Q%%b)UHHH vS co' x / -s> 



deviation of the North Point of the Co 

 viation to the West by the sign . 

 rom the observations given above, th 

 iation are obtained : 



