VARIATION OF THE COMPASS. 



m 



to 03 GO 00 CO ex ^I --1 — 1 <J ' 1 -J -J — I -J ^J - 



OOOOOO'.0f0<C<C^'©i^CDy2C00: 



-1 -J -I 



<X 00 00 



CC -J CT) 





1 



itO Kj to (V. to tC t-O to 63 to to to to tO tO 



4^^.^4».^4...4i.^4iCoc»CoC3 coco 



Oi Oi Oi Oi f CO CO 1 

 <J00<JO3<f>-C0'-'OOJC-J;^O ' pi^ ' 



23 19,6 

 23 29,8 



'^ 



True 



Varia- 

 tion. 



p p CO to p 5> p P p p i» — .^^ 1 i^ i^ i 

 ►^V<^Coc:"toVo— •'►-'i^'t'Otji ToV 



p p ! ^ 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



11 1 1 II 1 M II SssI 1 1 



to O) O) 



1 S K 



to 



> 

 c 



crq 



en.? 

 ? ^ 



12,7 

 12,1 



9,8 



l|U 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



to ts, to to to to to to to to to to (O to 



>*^-r->r-^*'4'.i^^*-.j-4^C0C0C0 

 " >- Or O, 4^ 

 p 00 p 0° W ^ to — ^ p p 00 to W ' ' ' 



otoo.vjoobitoV'V— V — csto 



to 10) ^ 



00 .^ 



CO 



n 



g 

 



2. "• 

 r V « 



JO J^ p po p j^ j-1 p C"^ i^ ."^ °^ >.^ ^T' 1 1 I 



wt^t^tc"i--"--Ja5V'ci'coOi'i'Oo'^ 



1 y' ** "^ 



Cr» 00 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



tOCN 



1 1 1 1 ! I 1 I 1 ! 1 1 i^S ! M 



CO 03 



CO CO CO • 



c= to " 



P *i- P ^ 





 r> 



1 



-I 





1 1 ! 1 1 ! 1 1 I 1 Mggi I 1 



^ 4:- C'l .^ 

 O) CO CO 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



1 1 ! 1 1 1 t 1 1 1 1 l^^il 1 1 



to to 



23 17,3 

 23 25,0 











a' 

 ft) 



c -i :3 



1 1 1 1 1 i 1 1 1 1 1 L-.- 1 1 1 



00 <i 



1 rP- 



— CO 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



^tOlOtOtOtOtOtOtOtOLO toto to 



^^4_^^4^4_^^4..C0CCC0 CO 



—' Cf O- 4^ 1 1 4^ 



p p p p Oi CO to ^ _^ ^ p ' P ^" ^ 



Vb"^OoVwt.oVcoCotfu COKi to 



is. to 



CS CO 



1 10 - 



00 CO 



1 p r''- 



CO cr. 







1 



lil 



4^ p p CO p CO CO p Ot 4^ p [ CO CO ] j Oi 



Diurnal 

 Altera- 

 tion of 

 Varia- 

 tion. 



2B 2 



