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Alfred Nobel invents dynamite.
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Alexander Graham Bell patents Telephone (Electricity)
Electricity -
James Ritty invents cash register
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John Milne invents modern seismograph (Electricity)
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Alexander Graham Bell invents metal detector (Electricity)
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John Pemberton invents Coca Cola
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Josephine Cochran invents dishwasher.
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Heinrich Hertz invents radar. *Electricity*
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Jesse W. Reno invents escalator. *Electricity*
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Edwin Prescott invents roller coaster. *Electricity*
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Willis Carrier inevnts air conditioner. *Electricity*
