[NTBODUCTOBI 15 



DIGHY AND M Physical Properties of Switch and Transformer 



Oils. (Journ. lust Elec. i 

 A. 1'. V'-r\G. Current Transformers. (Journ. Int Elec. Engrs., 



., p. 670.) 



.1. J. FIIANK. Observation of Harmonics in ' 't*ge 



l>es of Transformers. (1W. Am. In~t. Kl--. Kngrs., Vo! 



Xuilllwr '>, p. t\()0.) 



i.rn SHAM:. -Determination of Ti.: K^nlation D 



IN-sultin^ Investigations. (l*roc. Aui. In-' ; 'f?-, 



Vol. _.. XumlMT 7. ].. 1()S!.) 



II. W. TOBEY. DieliMtri. Sr.-n-th of oil. (Pro. 

 B., V..I. -2\>, XumKrr 7, p. 1171.) 



I . < . GREEN. 1'n.l.l.i.i^ in the Operation of Transformer*. (1 

 Am. Inst. Elec. Engrs., Vol. -J!, Numl,, -r U. p. li19.) 



1911. 



II I.IM- J. 11 VAX. Open Atmosphere and I >ry Transform.! oil M 

 Hi'_ r h-v.ltage Insulators. [PrOO, \m. In-t. lil.-c. MULT-.. 

 NumlM-r 1, p. 1.) 



.1 M. Wi.i:i.. '|VnipTatuiv <Jra.li-nt in Oil-imin. ners. 



ngn., V..1. :;. Xuml^r i. p. : 



\V. J. Wii.i.i.i:ii>,;i:. IIy-t'M-- My Ciiri. 



Silicon St-'l. 'Proc. Am. In-t. !',!(. HngTS., Vol. :{<>. NnmlH-r 1, j.. 



11. 1! Wi i -ox. Commercial IVoblems of Tran '*ign. (Proc. 



Am. Inst. Elec. Engrs., Vol. :{<>, Number 1, p. 143.) 





