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The top documents tagged [william austin burt]
Evolution of communication
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By: Echo Johnson. 1792 Mechanical Semaphore is invented in France. edia.org/wiki/Category :Mechanical_semaphor es
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History of Computers. 3000 BC The abacus is invented in Babylonia. The Antikythera Device, a bronze mechanical lunar month calculator, is constructed
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Communication and Technology : Through the Years
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