TAR CD. IGN. CH.'LIO 



35 7 



Ilclicc de Fcr N.° IX. 



Teasioa 

 OH Charge 



800 gr. 



» 



Dure'e 

 <k- la Tension 







21 



134 



3i4' 



() 



67 



1 66' 



Allongement 

 total 



21 I, 5 . 



2l5,0 . 

 2l8, o . 



:>.i 9, 8 . 

 290,5 . 

 3oi, 5 . 

 3o6, 5 . 



Allongement 

 permanent 



2, O . . . 



5, 5 



7,5 ... 

 1 o 7 o ... 

 23, 2 . . . 

 3i, . . . 

 35, 5 . . . 



Allongement 

 passager 



209, 5= 8X26, 2 



20g,5= 8X26,2 

 210,5= 8X26,3 

 209, 8= 8X26, 2 

 267, 3=110X26, 7 

 270, 5= 10X27, o 

 271,0 = 10X27, « 



Helice de Cuivre N.° II. 



Tension 

 ou Charge 



3DO gr. 



» . . 



Durc'c 

 dc la Tension 



» 

 3(«0 

 >i 

 )1 

 » 



O 



1 38' 



2l3' 



o' 

 1 34' 

 3i3' 

 7 45' 



Allongemcnt Allongement Allongement 



total permanent passager 



100.0 .... 11,0 .... 89,0 = 5X17,8 



i5 7 ,5 68,5 89,0 = 5X17,8 



1 65, 1 .... 74, 1 • • ■ • 91,0=5X18,2 



182,5 .... 74, 5 . . . . 108,0 = 6X18,0 



218,5 110,0 108,5 = 6X18,1 



2<a, 1 .... i33,5 108,6 = 6X18,1 



272.1 .... i66,5 .... io5,6=6X'7,6 



