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Title: Photo print of a Water Pressure Pumping Engine, detail of Va [Go to resource]
Description: Photo print of a Water Pressure Pumping Engine, detail of Valve Gear; from M. Belildor's Architecture Hydraulique, 1739 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1922-519 Go to resource More Like this...
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