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Road Machine Buy Stone Medium The Rock Crusher

The blake rock crusher today in history june 15 ,jun 15, 2019 On june 15, 1858, eli whitney blake of new haven was granted US patent no. 20,542 for a machine for crushing stone. the nephew of cotton-gin inventor eli whitney, blake gained civil and mechanical engineering skills at the whitney armory, his uncles arms factory, which he and his brothers ran upon whitneys death. the brothers left the armory in 1835 and opened a hardware factory, blake

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