Stamp mill - WikipediaA stamp mill is a type of mill machine that crushes material by pounding rather than grinding, . Stamp mills were used by miners in Samarkand as early as 973. They were used in medieval Persia to crush mineral ores. By the 11th century,.used stamp mill,Stamp Mills for Processing Gold Silver Copper OreA stamp mill is a large mechanical device used to crush ore and extract the desired metals from the host material. It uses heavy steel stamps to crush and break.
used stamp mill