Manchester Memoirs, Vol. xliii. (1899), No. 10. 13 



Tests Nos. VII.— XV. 



ANNEALED COPPER SPECIMENS. 

 Initial lengths 6", initial diameters •622", areas "3039 sq. in. 













Stress 









No. of 



Load 





Final 



Final 



tons per 









Speci- 



P 



Strain 



diam. 



area 



sq. in. on 



n. 



C. 



Remarks. 



men. 



(tons). 



e. 



(ins.). 



(sq. ins. ) 



reduced 

 area. 









7 



I '545 



•01467 



•619 



•3009 



5^134 







1 omitted, not 

 \ on line. 



8 



2*030 



•0333 



•612 



•2942 



6-901 







J) )j 



9 



2-515 



•04967 



•609 



•2913 



8-634 



-512 



40"i62 





10 



3-02 



•0733 



•603 



■2856 



10-574 



-512 



40-292 





1 1 



3*525 



•1067 



•592 



■2753 



12-804 



•512 



40-265 





12 



4'oi5 



•1600 



•579 



•2633 



15^249 







)) >) 



13 



i"525 



•01583 



•6202 



•3019 



5^051 







)> )? 



14 



2 '02 



•03133 



•6135 



•2955 



6-836 



-512 



40-260 





15 



4*oi 



•16716 



•578 



•2624 



15-282 







)> )) 













Means 



•512 



40-25 





