1898-1902. No. 6. 



TERRESTRIAL MAGNETISM. 



15 



Mark ii4°9'.o 



1900. July 25. Obs. Isachsen. 



Mark 



L. T. 



li m 

 3 42 P- 



45 



47 



49 



53 



55 



57 



59 



Mark 



a—m = 182 51 .9 



L. T. D 



h m 01 



3 46 p.m. 243 51.8 



56 244 5.6 



3 51 P-m- 



243 58-7 



