2143075
9781404810372
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Describes the basic science principles and the history behind many inventions including the trebuchet, the parachute, spectacles or eyeglasses, the water closet or toilet, the printing press, the cannon, the watch, a microscope, the thermometer, and the battery. Includes hands-on problem solving and make-and-do projects.Bailey, Gerry is the author of 'Age of New Ideas', published 2005 under ISBN 9781404810372 and ISBN 1404810374.
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