Ewing and Rosenhain. 



Roy. Soc. Proc.y Vol. 65, Plate t. 







■Jt*. .^....1 ' ^^IbtK^— _ 





FiO. 1. — Soft Sheet Iron strained by tension. 400 diameters. 



A B 



Fig. a. Before straining. 



Fig. J. >4#er straining 



