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Mary dies in 1884
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Thomas A. Edison, to whom the world owes the Moving picture Idea.
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1901 Alkaline Storage - Thomas Alva Edison invented the alkaline storage battery. Thomas Edison's alkaline cell had iron as the anode material (-) and nickelic oxide as the cathode material (+).http://inventors.about.com/od/bstartinventions/a/History-Of-The-Battery.htm
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