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Roman Technology: Gearing Mechanism, Mills at Baregal. Converting horizontal to verticle rotation gear larger than pinion to speed grinding.  A. Trevor Hodge, SCI AM, Nov. '90.
Roman Technology: Gearing Mechanism, Mills at Baregal. Converting horizontal to verticle rotation gear larger than pinion to speed grinding. A. Trevor Hodge, SCI AM, Nov. '90.
Filename: RomTech973.jpg
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