21 



)))± )))) DU 



Tl r,. f,. 



hiiiijrdin 2. 



Wlicii pHviiiy iillciilioii lo llic lal ter diagram il a|}j)eurs, llial 

 llic ciirieiil «ominii rroiii 7'i . will divide in /' hetweeii Ihc 

 \vays l*A:^A\A and l'HAiA\A in llic iiiveiled projjoiiion of 

 llicii' rcsislanccs . s(t llial , IIkj resislances ol' Ihe lelephones 

 and (lic earllis Jieing (Mjual. Ilie former \\<\\ will be 

 aifecled by Hie slrongcsl currenl. 



ISeverllieless arliculale speecli will Itc lieaid |)eileLlly well al. 

 the terminal leleplione 1\. How h» explain lliis remarkable 

 phenomenon r Al lirst I llioniilil il was cansed bv the very 

 grcal sensibility of llie leleplione: bnl in carrving on my 

 experiments I gave iip lliis snp|Misition . beeause it lailed lo 

 explaiii wIkiIIv iIk' iibsrr\ed pbenomenon. 



Tbc resulls. 1 (iblained in ex|)erimenling praclieaily 

 dui'ing several nionllis, poinled oiil . Ibal Siciitnis li llalske's 

 magneln-lelepbone does li'ansmil ariicniale speeeb (lisliiiclljf 

 along wires. baving a rcsishinrc ol' no moi-e Iban nearly 1250 

 Siftncns' iinils. Tliis resislanre agrees wilb a lenglb oï almosi 

 2o() kilometers lelegrapb-wirc uï 5^2 millimeters in diameter 

 say wire I\°. ■> . oi' 147 kilometers wirc ol" 4V.i millimeters 

 in diameier wirc lN°. S . Tlms in using wire N°. IJ Ihe 

 lelepbone may ad vcry well bel ween places, separaled by a 

 dislancc ol' 200 kilomeiers, as it was tbc case bet ween Lalial 

 and Moriini-doni on ibe island ol" Sninalra. 



Wlien Iwo places are separaled by a mncb greater dislance , 

 lor inslancc ol" nearh .l'.iO kilometers, and connected bv wire 



