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A type of hall where world events would take place to show or model inventions.
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Elisha Graves Otis created his first sample of the elevator at the Crystal Palace in New York.he also provided saftey by installing a emergency brake.
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Edwin T. Holmes lived in boston and he created this alarm because he had a workshop and he was very precautious.
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"Colonel" Edwin Drake started drilling at the soil of penslvaynia. he struck thousand of gallons of oil and he used it to fuel lamps and other thing like lubracant.
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B. Tyler Henry, created the rifle because hhe thought the idea of shooting once and having to reload was point less and a waste of time so he created a faster process.
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two armored ships battle each other at sea. designed from scratch by John Ericsson had 2 cannons and 8 inch deep armor.
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james plimton created skates for entertainment and soon became a craze around the world.
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William Bullock created a printing press that could feed paper on a continuous roll and print both sides of the paper at once.
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a machine created in 1873 by christopher soles. the type writer was exposed when the adventures of tom sawyer.
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George F. Green created the dental drill. to stop tooth decay.
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the telephone was created by Alexander Graham Bell.
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R.G. Rhodes created the hearing aid. The device is a thin sheet of hard rubber or cardboard placed against teeth which conducts vibrations to the auditory nerve.
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Dr. Schuyler Skaats Wheeler. created His two-bladed desk fan is produced by the Crocker and Curtis electric motor company.
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After the Great Fire of 1871, Chicago William Le Baron Jenney completes the 10-story Home Insurance Company Building, more than twenty skyscrapers will be built in Chicago over the next 9 years.
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George Eastman introduces a hand-held box camera for portable use. The camera is pre-loaded with 100 exposure film.
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the creator of the first escalator jesse W. Reno created a escalator at conmey island.The device was shown in the Paris Exposition of 1900 where it is called the escalator.
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the first submarined was created by J.P. Holland torpedo boat company it launched the first practical submarine.sponsered by the u.s navy.
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the creator of the air conditioner was Willis H. Carrier he designed. the first machine to control inside tempatures.
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the wright brothers were the creators of the airplane. it was the first controlled airplane flight in history to lasts 12 seconds.
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Henry Ford created his Model T car. he produced them world wide and mad millions and now grew up to own his own company known as ford.
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kdka was the first radio brodcast that was for the am station. they were the starter stations of over 563 u.s.a stations.
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Robert H. Goddard,created the first successful launch of a rocket at a arm in Auburn, Massachusetts. The rocket reaches 41 ft. in altitude.
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Philo Farnsworth show the first preview Fof a t.v showing a dollar bill.
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william bennet created the first machine to bring peopole back to life using volts of electricity,
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the first DC was created by John Atanasoff and Clifford Berry who attended Iowa State College completed the prototype of the first digital computer. It could store data and perform addition and subtractions using binary code. (used in wars)
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the united states dropped a bomb in haromishima that took more that 100,000 lives.
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Dr. John H. Gibbon an open heart surgery in which the blood is moved by a heart-lung machine.
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theodore mainman he created a man made ruby sight that destroyed objects.
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biill gates created an OS such as windows and installed it for a computer.
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NASA's Apollo 11 spacecraft touches down on the moon's surface and Neil Armstrong becomes the first human to set foot on the moon.
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