marble grinding mills

Roman Mills Ancient History EncyclopediaThe Romans constructed mills for use in agriculture mining and construction Around the 3rd century BCE the first mills were used to grind grain Later developments and breakthroughs in milling technology expanded their use to crushing ores in mining and such construction activities as cutting wood and marble -marble grinding mills-,Marble Mills EarthLinkThis particular marble mill has a groove in the bottom plate that forces the marbles to move in a circular path while the top plate is an abrasive pad the grinds away at the uppermost part of the bigger marbles ……

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