ghest award at the Paris Exposition, and scored the ing expense as compared with stamp mills and other The United States cream separator, shown at the highest points at the July exhibit of the Columbian appliances for reducing ores, while the first cost of the Exposition at Chicago. The Cooley… … many of them are now employed on phos- wake a long, bright, gauzy tail. As it THE GRIFFIN ROLLER MILL AT THE FAIR. phate rock, carbon foundry facings, plum- approached the zenith its speed seemed to bago, Portland rock, cements, etc. It will increase. Suddenly it burst into a multi- work either wet…
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