EFri:(T OF STRrSH ON M AC.XKTIZA'l'IOX. 



17 



T= 323S or.jiinii:-, /= I 5 .6° C. 



TUNGSTEN STEEL. 



^^ 3371 c?"^./'^^^^^-'» ^=^■7'^ C. 



The numbers in the last row give the cyclic eflect of twist 

 correspondins; to the inaxinuini twist. 



