'TO 



OL 



A. TANAKADATE. 



TABLE V. 



Magnetic Elements Calculated fronj X, Y, Z, Expressed in 

 Spherical Harmonics for 1885.0 by l^of. Ad. Schmidt. 



130.0 132.5 



135.0 



r 2=34:6 



3|49°47-'5 



137.5 



140.0 



142.5 



41.3 



io^57°07;4 



26640.2 



2"45;3 



7|5i°4i:4 

 Us768'.2 



6^48°45:o 

 19728.9 



145.0 



i3''o6;4 

 56°22J5 

 Y 

 26559'.o 



These values put into linear equations for horizontal force 

 and dip, and })arabolic formula for declination give residuals 

 whose maximum values are 28.' 6 for the horizontal * force, 16. '(3 

 for the dip and 16.'4 for the declination : put into quadratic 

 form thev come out 



