Specimen Page of Observations for Finding the Horizontal Force. 



Tnrsion after Exp"'. 

 Hi 01 



123 133 



litt-S - 112 = |S-5 

 4 75 



m « 



after 20 Vibros. 42 140 

 „ SO „ 43 184 

 „ 40 „ 44 23 



For arc and torsion 

 1 div. corresponds to 

 tho are 



2'-466 



