Invention | Inventor | Country | Year |
Radar | Dr A.H. Taylor and L.C. Young | USA | 1922 |
Radium | Marie and Pierre Curie | France | 1898 |
Radio | G. Marconi | England | 1901 |
Rayon | American Viscose Co. | USA | 1910 |
Refrigerator | J. Harrison and A. Catlin | Britain | 1834 |
Revolver | Samuel Colt | USA | 1835 |
Rubber (vulcanized) | Charles Goodyear | USA | 1841 |
Rubber (waterproof) | Charles Macintosh | Scotland | 1819 |
Safety lamp | Sir Humphrey Davy | England | 1816 |
Safety pin | William Hurst | USA | 1849 |
Sewing machine | Thimmonnier | France | 1830 |
Scooter | G. Bradshaw | England | 1919 |
Ship (steam) | J.C Perier | France | 1775 |
Ship (turbine) | Sir Charles Parsons | Britain | 1894 |
Shorthand (modem) | Sir Issac Pitman | Britain | 1837 |
Steam engine (piston) | Thomas Newcome | England | 1712 |
Steam engine (condenser) | James Watt | Scotland | 1765 |
Stainless Steel | Harry Brearley | England | 1913 |
Tank | Sir Ernest Swington | England | 1914 |
Telegraph code | Samuel F.B. Morse | USA | 1837 |
Telephone | Alexander Graham Bell | USA | 1876 |
Telescope | Hans Lippershey | Netherlands | 1608 |
Television | John Logie Bared | Scotland | 1926 |
Thermometer | Daniel Gabriel Fahrenheit | Germany | 1714 |
Tractor | J. Froelich | USA | 1892 |
Transistor | Bardeen, Shockley | USA & UK | 1949 |
Typewriter | C. Sholes | USA | 1868 |
Watch | A.L. Breguet | France | 1719 |
X-ray | Wilhelm Roentgen | Germany | 1895 |