184 Miracles Ahead! 



stepped into the picture and provided a method of obtaining 

 the metals from the low-grade deposits. It is called "froth 

 flotation." A mixture of water and pulverized ore is prepared, 

 and chemicals are added which have an affinity for the metals 

 concerned. Operating like deep-sea divers, the chemicals go 

 down and lift the ores out of the worthless residue with 

 which they are associated in the earth. 



Reporting in 1943 to the American Iron and Steel Institute, 

 Major General Levin H. Campbell, Jr., chief of Army Ord- 

 nance, declared that metallurgical progress by the United 

 States in two years has exceeded German accomplishments of 

 the past decade and advanced beyond Japanese developments 

 of the last thirty years. The application of these great metal- 

 lurgical gains, he said, is reflected in the "superquality" Amer- 

 ican armament furnished the "world's best flighting man, the 

 American soldier." 



There is reason to believe that these metallurgical gains will 

 help make a better world for the American fighting man 

 when he comes home. 



