Manchester Memoirs, Vol. xliii. {i%gci), No 10. ii 

 Test No. III. 



ANNEALED COPPER SPECIMEN. 



Initial length ^Yt Initial diameter •622'', Area "3039 sq. in., 

 Value of ?? = '535. 



Load P 

 in tons. 



Strain 

 a. 



Stress 



1(^ + 7) 

 (tons persq. in.) 



Value of C 

 (Calculated). 



1-5 



•0218 



5 "043 



39"o5 



2*0 



•0382 



6-833 



39"T9 



2-5 



•0618 



8-735 



38-73 



3"o 



•0891 



10751 



39-20 



3'5 



•1309 



Me 



13-024 

 >an value of C 



38-69 



= 38-97 



Test No. IV. 



ANNEALED COPPER SPECIMEN. 



Initial length 5-5", Initial diameter -622, Area -3039. 



Value oi n= '503. 



Load/" 

 tons. 



Strain 

 a. 



Stress 

 (tons persq. in.) 



Value of C 

 (Calculated). 



I '5 



•02 



5-034 



36-016 



2*0 



-0364 



6821 



36-109 



2-5 



•0582 



8-705 



36-393 



3'o 



-0891 



10-751 



36-280 



3-5 



•1327 



Me 



1 3 '045 

 an value of C 



36-028 



= 36-165 



