(8 ) 



HOEIZONTAL INTENSITY (//) 



{* i'dlur <l(xh( red from Vibration only by assvmin'/ Value of M.) 

 Observations of the East Party, 1893. 



H= 0.29G!)1 

 Reduction to 1895.0= 670 



„ ,, sea level = 38 



TI^ 0.29698 



Observations of the West Party, 1893. 



//= 0.29721 

 Pieduction to 1895.0= 670 



,, „ sea level = 38 



i/= 0.29728 



Observations of the West Party, 1891 



//= 0.29742 

 Reduction to 1895.0= 539 



„ ,, sea level = 38 



77= 0.29748 



Observations of the North Party, 1894. 



11= 0.29708 

 Reduction to 1895.0= 231 



,, „ sea level = 38 



J/^~Ô:297TÏ 



