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When Was The First Grinding Mill Invented

1830 - 1859 Milling machines, shapers, grinding machines. (US) 1831 Surface-grinding machine patented. (J W Stone, Washington, DC) 1834 Grinding machine developed: perhaps first. (Wheaton, Providence, RI) 1836 Shaping machine invented: Whitworth soon added crank mechanism. (James Nasmyth, Britain)

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