Hall and Corbino Effects. 



323 



defined. The minimum is made very conspicuous because 

 of the small value of the field and the quite appreciable 



Fiar. 9. 



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100 ItiO 300 400 500 600 700 800 90f 



value of the circular current. This makes t??/H very large 

 negatively. The maximum at 525 is much the same as that 

 found in fig. 5. 



The argument used in the case of the bismuth-tin-alloys 



