Hall and Corbino Eflecti 



309 



Fiff. \. 



Alloys of Bismuth and Tin. — It has been found by von 

 Ettingshausen and Nernst, among others, that the sign of 

 the Hall effect in certain alloys of bismuth and tin is reversed 

 with increasing field. To compare this phenomenon with 



Fig. 2. 



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the Corbino effect, two plates were cast from the same alloy 

 and the two effects measured under like conditions. The 





