K, in t- ol ! a ..ii -|,, i-ini, H- mi "Hi ..I 1 1 1. H \ \ I in.) ni' 



the repeated loading of nnotlier upeoimon onl I, i 



Insults of tension tests on specimens cut of an old Douglas Fir stringer, Beam 

 XXII.. and of the lepeated loading of another specimen cut out of the same Beam. 



(Fig. 127.) 



Readings taken by 

 2 



