24 



telephoncs, |ila(<.'(l üI greal dislaiicrs IVdiii cacli ollicr. in llie 

 circuit, for cxample belween Batavia i\m\ Uuilenzorfi , ('Iwrihon , 

 Samarany, Solo or Soerabaja. Accordiriij^ h» llio Ihcory already 

 expouiuled, Ihis will mosl likely l)e llic case, luit il will be 

 useiiil al llie saine lime to sireiigllieii as mucli as possibic 

 lb(3 ciirrenl serving tu liaiislale, in niakiiig llic arrangemenls 

 as in Ibe hiagrani N°. ö. 



)))y ym\ m) IDI 



Ihfiyidiii .ï. i 



/ 



Af. A^. At,. 



Il is obvions llial Ibe second cxlra-currcnl of T~> will bc 

 sircnglbencd by llial of 7'^ and iuvcrsely. Ilowcvcr il scenis 

 neccssary lo speak slowly and dislinclly. as Ibe inipnlsions 

 of llio (iiri'cnl are of slioil diiralion. 



Il needs no deinonslralion , llial nearly llie saine irsull 

 will be oblained wben a second wire is iised inslead of Ibe 

 carlbs. In Ibis case bowever Ibe resislanee (d" Ibe ciiciiil is 

 nearly doiibled and lliis ciiciiiiislainc iinisl lie laken iiilo 

 eonsi(leiali(»ii. 



Tbc preeeiling (•oinniiiniralioiis niay be (diisidered llie 

 resulls of inaiiv experiinenls , made in llie aliove-iiienlioiKMJ 

 way. However llie llieoiv develojied in lliis paper eaiinol bnl 

 bcar a previons diaiaeler. as I have nol been alde lo carry 

 on ni\ experiinenls lo eoiisiderable dislances. I ln»pe il will 

 Ih! aeccpled as a iisefnl eoniribiilioii lo oni- knowledgc ol 

 lelepboin. il iiia\ also lic added lo llie llieory alioiil llii> 

 iiiatler develojied in llie iniporlanl work. enlilled: Ihi' Tclr- 



