PLATE V. 



,rT;il- 



inHBL 



TENSION TEST 



K=.2. 



i^. 



-- toiW --^ 



SHEARING TEST 



SCAI.B IN INCHBS. 

 7 « 



mi^ii^^m 



^^^^^^i^22^^^<-y/gi2m^/'d 



CRUSHING ENDWISE 



CRUSHING ACROSS GRAIN 



