P1M1. 



ill. ir- >ign at which we have already in 



ilia 



T = 0,0111 7 x M 



5000 = 0,0444 X 3100 X 50 X M. 



I that tin* total flux 



value of at \\hieli 



re, one must be guided to a lai . 



u ability, and by the loss per unit of weight corresponding 

 grade of laminations which will be employed in 



the core. 



j the last f< M placed on 



y various maim! uds of material for trans- 



brands foru 



employed. I thi> material, \\hich may 



be t. ly hijjh, being at present 



some 30 \ i against some i less- 



tble mat ! 



auce, however, of obtaining a minimum core loss, renders 

 use of the more < il absolutely inn 



w conc< manufacturers .. As 



regards ]>enneability, tl -, on the whle, usually 



- nee in this ivgpect is not v 



; 10 is based <>n sutli 







rmal ^'. 



to obtain n in samples hut in l>ul! 



H!IOV pcrmeal 1 i ti 



HUndard curve in Fig, 1- iaaa 



i'ctter vnlii'-s iihtiunuhh', unless the material 



tli.- < :' ih- i :ire apt to be 



in tin- 



>ts \\l\\\ 

 H.T. D 



