Manchester Memoirs, Vol. Iv. (191 1), No. *Z4. 15 



The demand for greater strength of structures, under 

 the ever increasing stress of modern requirements, has 

 also called into being the study and use of special alloy 

 steels, and the same methods of organised scientific 

 research that have been applied to the ferrous metals are 

 now-a-days being employed to increase the efficiency and 

 reliability of the non-ferrous metals with immense benefits 

 to all the industries concerned. 



