﻿8 POPPLEWELL, Uniform Stress and Permanent Strain. 



Table II. — Compression test of a specimen of wrought- 

 ron similar to No. I, but not from the same bar. No. 2. 



. £ = 2*246 ins. </= 1*131 ins. 



£ = 0*265. 



w 



e 



P 



C 



l8*2 



0*0142 



17853 



55'°9 



19*2 



0*0169 



18785 



55-38 



20'2 



00201 



19702 



55-48 



21*2 



0*0241 



20*587 



55' 2 7 



22*2 



C0280 



21*479 



55-4i 



24*2 



0*0374 



23* l8 5 



55-4o 



28-2 



0*061 1 



26-345 



55- 2 7 



Mean value of C = 



55*33 



