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Ancient Machines: From Wedges to Waterwheels
Michael Woods, Mary B. Woods
Library Binding (Runestone Pr, Dec. 1, 1999)Discusses the invention of six simple machines in various ancient civilizations from the Stone Age to the fall of the Roman Empire
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Ancient Machines: From Wedges to Waterwheels
Michael Woods;Mary B. Woods
Hardcover (Runestone Press, March 15, 1894)None