240 



PROCEEDINGS OF THE AMERICAN ACADEMY. 



TABLE XVI. 

 The Demagnetizing Factors in the Range of Practical Constancy. 



Reversals in Short Coil : 



TABLE XVII. 



Principle of Step Method . 



The figures in parentheses are interpolated ; all others have been obtained ex- 

 perimentally. For purposes of comparison, the values of Du Bois are given in 

 Table XVII. The numbers given in these tables represent N ■ lO'*, as in the ear- 

 lier tables. 



