PART II. POLAR MAGNETIC PHENOMENA AND TERRELLA EXPERIMENTS. CHAP. II. 



429 



TABLE LIX (continued). 

 Values of PQ for the horizontal portion of the current. 



Values of P m for the horizontal portion of the current. 



TABLE LX. 



Values of PQ for one of the vertical portion of the current. 



Birkelaml. The Norwegian Aurora Polaris Expedition 19021903. 



55 



