1898-1902. No. 6.] 



TERRESTRIAL MAGNETISM. 



37 



Station la. Rice Strait. 



1899. May 30. Obs. Baumann. 



Deflector Distance Needle 



L. T. 



h m 

 II 26 a. m. 



32 

 46 

 54 

 II 40 a. m. 



Deflector 

 VI 



Distance 

 E 



Needle 

 L 



Deflector Distance Needle 

 V e L 



I.. T. 



h in 

 10 9 a. m. 



15 

 26 



30 



10 20 a. m. 



Station lb. Rice Strait. 



1899. June 5. Obs. Baumann. 



Deflector Distance Needle 



VI 



8.0 

 7.0 

 7.0 

 6.0 



7.0 



M 



O I 



40 43-5 



41 8.7 

 98 12.5 



6.5 



9 



log sin <p 



T 



colog sin fi, 

 log Cii 



log H 



28° 36'.7 



9.68022 



+ 0.00207 



0.31771 

 8.31122 



8.62893 



H 



= 0.04255 



L. T. 

 h m 



10 56 a. m. 



11 o 

 7 



13 



II 4 a. m. 



Deflector Distance Needle 

 V E L 



7.0 

 4.0 

 6.0 

 6.0 



M 



O ' 



50 49-5 



51 16.0 



87 57-8 



88 2.0 



5.8 s = 



9 



log sin f 



T 



colog sin fD 

 log C/i 



log H 

 H 



= 18° 28'.5 



9.50091 



+ 0.00075 



0.49834 

 8.13079 



8.62913 



^ 0.04258 



