Length and Electrical Resistance in Nickel. 433 



Fiff. 1. 



.'20 



■OS 



90 



60 



45 



-JO 

















f 



S* V 

















/ 



0-* 



-7T* 



10+ 







//- 



# 





N0jf£ 



/ 









A 



4 



A^ 



& 



/ 











/ / 















/ 



/ 













L 



i / 



y 















111// 



j/ 















11 / / 









Re si 



DUAL 







50? 







........... . 



..- J 













&-••' 



I 











.50 



100 



150 



aoo 



-250. 



300 



Table II. — Comparison of Change of Length and of 

 Resistance for Various Loads. 



H. 



50 grammes. 



100 



grins. 



500 



grms. 



700 



grms. 



dL. 



tfRx-42. 



dL. 



£Rx*36. 



dL. 



dRx-3. 



dL. 



dHX'3. 



10 



•3 



1-5 



•1 



•4 



•0 



•1 



•o 



•o 



20 



25 



4-0 



11 



2-0 



•1 



•5 







•1 



30 



56 



70 



35 



4-8 



•5 



14 



i 



•3 



50 



109 



125 



8-1 



104 



1-9 



30 



•3 



10 



75 



16-8 



18-5 



135 



146 



4-4 



57 



10 



21 



100 



21-9 



235 



17*7 



19-3 



72 



8-4 



1-8 



36 



150 



29-5 



306 



252 



263 



130 



14-5 



| 4-8 



75 



200 



347 



355 



305 



312 



18-7 



20-3 



93 



12-0 



2.50 



37-7 



37-7 



341 



346 



25-0 



25-7 



! 15-5 



16-7 



300 



412 



41-2 



365 



36-9 



305 



30-3 



23 



21-3 



350 



433 



436 



385 



38-7 



353 



346 



289 



262 



400 







400 



... 



1 



... 



38-5 



327 



313 



In Table II. the columns headed dL give the change of 



