404 



Professor W. Chandler Boherts- Austen [March 26, 



tlirougliout its length ; there is in such a solid, a limit in the appli- 

 cation of the stress up to which the metal, if released, will return to 



Fig. 10. 



^!j^^^?5^h>c"----*t^r^2^^^ 



Fig. 11. 



S ^ i 2 



10 



15 



ZO 



LOAD 

 25'* 



its normal length; this point is the limit of elasticity. Directly, 

 however, this limit is reached, the metal begins to stretch, and at 



