40 



AKSEL S. STEEN. 



[2nd arc. EXP. FRAM 



1900. July 20. Obs. Isachsen. 



Deflector Distance Needle 

 V E L 



9-5 

 9-5 

 9-5 

 9-5 



9.5 



M 



O f 



36 20.5 

 49.0 



84 8.0 

 15.5 



a 

 log sin 9^ 



colog sin y„ 

 log C,« 



log H 



H 



23° 48'.3 



9.60598 



4-0.00123 



0.39279 

 8.13079 



8.52358 



= 0.03339 



Deflector Distance Needle 



Deflector Distance Needle 

 VI E L 



1900. July 25. Obs. Isachsen. 



L. T. 



h m 

 9 I a. m. 



5 

 14 

 25 



9 II a. m. 



Deflector Distance Needle 

 VI EL 



7.0 



6.6 



ii.o 



12.6 



9-3 



M 



O I 



140 40.0 



141 12.0 

 220 1.5 



218 55.0 



^ 0.2 



log sm (f' 

 r 



colog sin (pff 

 log Qi 



log H 



H 



39 15 -9 



9.80134 



+ 0.00275 



0.19591 

 8.31132 



8.50723 



= 0.03215 



L. T. 

 h na 

 9 34 a. m. 

 38 

 42 



46 



9 40 a. m. 



Deflector Distance Needle 



10.3 

 8.2 

 9-5 



M 



O / 



154 40.5 



42-5 



205 14.5 



204 46.5 



lo.o = 0.0 



9 



log sin (f' 



T 



colog sin I 

 log Cfi 



log H 



H 



' While the scratching was going on, the needle turned right round. . 



25 9-5 



9.62852 



-0.00129 



0.37019 

 8.13079 



8.50098 



= 0.03169 



