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calculator was invented by blaise pascal
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steem engine was invented by james watt
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Electric bulb was invented by Thomas Alva Edison
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charles babbage was known as the father of computer
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napier bones was invented by john napier
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television was invented by john logie baird
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telephone was invented by alexander graham bell
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telescope was invented by galileo
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telegraph was invented by samuel morse
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camera was invented by sir john f.w.herschel
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automobile was invented by henry ford
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dynamite was invented by alfred nobel
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lightning conductor was invented by benjamin franklin
