Stress and Strain on the Properties of Matter, 507 



Experiment II. 



Load 

 =W. 



Position 



of 

 sliding- 

 piece. 



Alteration of 

 resistance in 

 terms of divi- 

 sions of the 

 platino-iridium 

 wire. 

 — signifies 

 decrease of 

 resistance on 

 loading. 



Temporary 

 alteration 

 of 



resistance 

 = T. 



Total 

 permanent 

 alteration 

 of 



resistance 

 = P. 



1 



T> 



W 







103-0 













2 



99-0 



— 4-0 



- 4*0 







-2 -00 





4 



95-0 



- 8'0 



- 8-0 







-2-00 





6 



93-0 



-10 -o 



-12-0 



-r 2-0 



—2-00 



+ 0-33 



8 



93 



-10-0 











10 



93-0 



— 10 -o 











12 



98-5 



— 4*5 



-21-5 



+ 17*0 



-1-90 



+ 1-42 







120-0 













2 



118-0 



- 2-0 



- 2-0 



+ 17-0 



-1-00 





4 



115 5 



- 4-5 



- 4-5 



+ 17-0 



-1-13 





6 



113*5 



- 6-5 











8 



112-5 



- 7*5 











10 



111-5 



— 8-5 











12 



112-0 



- 8*0 











14 



116 -0 



— 4-0 



-20-0 



+ 33*0 



-1-43 



+ 2-36 







136 -0 













4 



133-0 



— 3-0 



- 3-0 



+ 33-0 



-0-75 





8 



130-0 



— 6-0 



- 6-0 



+ 33-0 



-0-75 





12 



128-5 



- 8*5 











16 



136 -0 



o 



— 23-0 



+ 56-0 



-1-44 



+ 3-50 







159 -0 













4 



156-0 



- 3-0 



- 3-0 



+ 56-0 



-0-75 





8 



153-0 



- 6-0 



- 6 



+ 56-0 



-0-75 





12 



152-0 



— 7-0 











16 



154-0 



— 5-0 











18 



160-0 



+ 1-0 



-23 -5 



+ 80*5 



-1-32 



+ 4-47 







183 -5 













4 



181-5 



- 2-0 



— 2 



+ 80-5 



-0-50 





8 



178-5 



- 5-0 



- 5-0 



+ 80*5 



—0-63 





12 



178-0 



- 5-5 











16 



179-5 



— 4-0 











20 



190-0 



+ 6-5 



-25*5 



+ 112 -5 



-1-28 



+ 5-63 







215-5 













4 



213 -5 



— 2-0 



— 2*0 



+ 112-5 



— 0-50 





8 



210-5 



- 5 



-5-0 



+ 112*5 



—0 -63 





12 



209-5 



- 60 











16 



210-5 



- 5-0 











20 



215-0 



— 0*5 











22 



223 -0 



+ 7*5 



-28-0 



+ 148 ' 



— 1-27 



+ 6 - 73 







251 -0 













*o 



66-0 













4 



68-5 



- 2-5 



- 2-5 



+ 148-0 



-0-63 



• 



8 



71 "0 



o yj 



— O KJ 





— U Do 





12 



72-0 



- 6-0 











16 



71-5 



- 5-5 











20 



69-0 



- 3-0 











22 



65-5 



+ 0-5 



-245 



+ 173-0 



-1-11 



+ 7-86 







41-0 













* Resistance coils readjusted. 



2 l 2 



