﻿Chilled Cast Iron for Permanent Magnets. 

 Fig. 1. 



471 



H 



10000 



9000 



8000 



7000 



6000 



5000 



4000 



3000 



2C00 



1000 

 1 B 



200 















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,*C: 





I ' / 







e^ 





/ 



y^ 







1 



/ 









1 



/ 









1 



/ 









/ / 



/ 









/ / 



\ 







{/ 











II 



50 



100 



150 



200 



250 



