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Air Plane (Jet Engine) was invented by ______: Whittle
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Air-brake was invented by ______: George Westinghouse
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Airplane with motor was invented by ______: Orville and Wright
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Atomic bomb was invented by ______: Hahn Otto
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Adding Machine was invented by ______: Blaise Pascal & William Burroughs
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Air Conditioning was invented by ______: Carrier
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Aniline Dyes was invented by ______: Hoffman
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Anti-polio Vaccine was invented by ______: Jonas E.Salk
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Atom-breaking up the nucleus was discovered by ______: Rutherford
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Aspirin was invented by ______: Dresser
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Adding machine was invented by ______: Pascal
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Ball-point Pen was invented by ______: John Loud Biro
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Barometer was invented by ______: Torricelliy
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Bifocal lens was invented by ______: Benjamin Franklin
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Burglar Alarm was invented by ______: Edwin T.Holmes
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Box Camera was invented by ______: G. Eastman
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Balloon was invented by ______: Montgolfier
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Barometer was invented by ______: Torricelli
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Battery & Current Electricity was invented by ______: Volta
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Bicycle was invented by ______: Macmillan
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Carburetor was invented by ______: Daimler
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Cement was invented by ______: Joseph Aspidin
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Circuit breaker was invented by ______: Hilliard
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Cement was invented by ______: Joseph Aspdin
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Camera was invented by ______: Zeiss
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Carburettor was invented by ______: Daimler
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Cash Register was invented by ______: James Kitty
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Chloroform was invented by ______: James Young Simpson
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Chain Drive was invented by ______: Leonardoda Vinci
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Chronometer was invented by ______: John Harrison
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Cinema was invented by ______: Nicolas Lumiere & Edison
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Cinematography was invented by ______: Thomas Edison
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Clock Pendulum was invented by ______: Huygens
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Computer (Original Model) was invented by ______: Charles Babbage
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Cotton gin was invented by ______: Eli Whitney
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Chloroform was invented by ______: Guthrie
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Computer mouse was invented by ______: Douglas Englebert
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Digital camera was invented by ______: Eastman Kodak.
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Dynamite was invented by ______: Alfred B. Nobel
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Diesel Oil Engine was invented by ______: Rudolf Diesel
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Disc Brake was invented by ______: Lanchester
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Dynamite was invented by ______: Alfred Nobel
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Electric Battery was invented by ______: Volta
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Electric Lamp was invented by ______: Edison
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Electric Motor (DC) was invented by ______: Zenobe Gramme
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Electric Motor (AC) was invented by ______: Nikola Tesla
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Electron was invented by ______: J.J.Thomson
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Electric fan was invented by ______: wheeler
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Electric generator was invented by ______: Hippolyte Pixie
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Electric motor was invented by ______: Michael Faraday
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Electric vaccum cleaner was invented by ______: James Spangler
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Electromagnet was invented by ______: William Sturgeon