2142651
9781404810389
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Describes the basic science principles and the history behind many inventions including Archimedes' screw, the sundial, the chariot, the crane, a windmill, block printing, and the wheelbarrow. Includes hands-on problem solving and make-and-do projects.Bailey, Gerry is the author of 'Early Civilizations', published 2005 under ISBN 9781404810389 and ISBN 1404810382.
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