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History Of Crusher Run

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2019-10-8history tells us, it was in 1830, the first us patent was issued on a rock crushing machinet covered a device which, in a crude way, incorporated the drop hammer principle later used in the famous stamp mill, whose history is so intimately linked with that of the golden age of miningn 1840, another patent was issued, which comprised a wooden box containing a cylindrical drum apparently.

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