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Roman Technology:  Ruins of  Mills at Barbegal.  Foundations and containments of 16 water wheels.  A. Trevor Hodge, "A ROMAN FACTORY", Science America.  Photo '91.
Roman Technology: Ruins of Mills at Barbegal. Foundations and containments of 16 water wheels. A. Trevor Hodge, "A ROMAN FACTORY", Science America. Photo '91.
Filename: RomTech970.jpg
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