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World Wide Web (UK 1991)
Ballpoint Pen (Hungary 1938)
Stainless Steel (UK 1913)
Hovercraft (UK 1950s)
Revolver (USA 1836)
Aqualung (France 1943)
Thermos Flask (UK 1892)
Roll Film (USA 1894)
Phonograph (USA 1877)
Electric Motor (UK 1832)
Lightning Rod (USA 1749)
Machine Gun (USA 1861)
Safety Razor (USA 1904)
Barbed Wire (USA 1874)
Vulcanized Rubber (USA 1839)
Pendulum Clock (Netherlands 1656)
Segway PT (USA 2001)
Stethoscope (France 1816)
Waterproof Garments (UK 1823)
Laser (USA 1960)
Hot Air Balloon (France 1783)
Combine Harvester (USA 1834)
Telegraph (USA 1837)
Basketball (USA 1891)
Reflecting Telescope (UK 1688)
Dynamite (Sweden 1867)
Safety Elevator (USA 1852)
Mechanical Calculator (France 1642)
Saxophone (Belgium 1846)
Road Cat's Eye (UK 1933)
Microwave Oven (USA 1945)
Barometer (Italy 1648)
Electric Battery (Italy 1800)
Jet Engine (UK 1930)
Powered Aeroplane (USA 1903)
Cylinder Lock (USA 1861)
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