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The top documents tagged [practical telegraph]
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1830 Ada Byron a mathematician writes the worlds first computer program for the machine designed by Charles Babbage but never built.first computer program
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Earth’s Ionosphere
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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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The Age of Innovation and Industry Was the rise of industry good for the United States?
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Technology History Timeline
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Communication and Technology : Through the Years
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Communication Timeline
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