ABSTRACT OF OBSERVATIONS WITH FOX CIRCLES. 



291 



5. Total Force. — Tables of Equivalent Weights. 



TABLE OF EQUIVALENT WEIGHTS.— FOX CIRCLE, I 27 ; NEEDLE A. 1872-73. 



Angle. 



65 



66 

 67 

 68 

 69 

 70 

 71 

 72 

 73 

 74 

 75 

 76 

 77 

 78 

 79 



North and South Deflectors. 



Kew (1). 

 28X.72. 



Grains. 



o 



o 



C. G. Hope. 

 20.xi.73. 



Grains. 

 2-590 



2-550 



2-515 



2-480 



2.450 



2-415 



2-385 



2-355 



2-330 



2-305 



2-280 



2-260 



2-245 



2-230 



2-220 



