Woods, Michael,1946-

Ancient machines :from wedges to waterwheels /by Michael Woods and Mary B. Woods.
Minneapolis :Runestone Press,c2000.

88 p. :col. ill.

Includes bibliographical references (p. 85) and index.

Discusses the invention of six simple machines in various ancient civilizations from the Stone Age to the fall of the Roman Empire.

1.Simple machines2.Machinery--History.Dynamic Details
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