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The telegraph was first invited when Samuel F.B. Morse demonstrated it by sending messages through it. https://en.wikipedia.org/wiki/Electrical_telegraph
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Edwin T. Holmes of Boston begins to sell electric burglar alarms. https://en.wikipedia.org/wiki/Security_alarm
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Oil,which had been used mostly as a lubricant and lamp fuel, had been obtained only at places where it seeped from the ground. Pennsylvania witnesses the world's first oil boom. https://en.wikipedia.org/wiki/Oil_well
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Inspired by a Scientific American article featuring a British attempt at a typing machine https://en.wikipedia.org/wiki/Typewriter
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Alexander Graham Bell patents his telephone, built with the assistance of young self-trained engineer Thomas A. Watson. https://en.wikipedia.org/wiki/Telephone
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The first recording replayed is a voice saying "Mary had a little lamb its fleece was white as snow." https://en.wikipedia.org/wiki/Phonograph
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Schuyler Skaats Wheeler made a two-bladed desk fan is produced by the Crocker and Curtis electric motor company. https://en.wikipedia.org/wiki/Mechanical_fan
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In Rochester, New York, George Eastman introduces a hand-held box camera for portable use. The camera is pre-loaded with 100 exposure film. https://en.wikipedia.org/wiki/Kodak
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Indiana, eases kitchen labor everywhere by producing a practicable dishwashing machine. https://en.wikipedia.org/wiki/Dishwasher
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Jesse W. Reno, introduces a new novelty ride at Coney Island. His moving stairway elevates passengers on a conveyor belt at an angle of 25 degrees https://en.wikipedia.org/wiki/Escalator
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The J.P. Holland torpedo boat company launches the first practical submarine, commissioned by the U.S. Navy. https://en.wikipedia.org/wiki/Submarine
