Brown — Note on Laminated Magnets. 



139 



The results are given in Tables I and II, and some of them shown in the 

 form of curves in the figure, where the upper curves are the graphs of the 



6 



8 10 IZ 14 16 18 20 



Numbbk of Laminations. 



values in Table I, and the lower curves those of the values in columns 1, 2, 5 in 

 Table II. The values opposite the symbol d give the thickness in fractions 

 of a centimetre of the paper which separated the laminations of steel. 



