Important Inventions

  • 1. Who invented Aeroplane

    Orville & Wilbur Wright in 1903

  • 2. Who invented Air Conditioning ?

    Carrier in 1902

  • 3. Who invented Barometer ?

    Evangelista Torricelli of Italy in 1644

  • 4. Who invented Ball-Point Pen ?

    John J. Loud of U.S.A. in 1888

  • 5. Who invented DNA Structure ?

    Crick(UK), Waston(US), Wilkins(UK) in 1951

  • 6. Who invented Laser ?

    Sir Frank Whittle of Britain in 1937

  • 7. Who invented Locomotive ?

    Benjamin Franklin of U.S.A. in 1752

  • 8. Who invented Logarithms ?

    Richard Trevithick of Britain in 1804

  • 9. Who invented Machine Gun ?

    Horace Short of Britain in 1900.

  • 10. Who invented HIV ?

    Etienne Oehmichen of France in 1924.

  • 11. Who invented Helicopter ?

    Thomos Alva Edison of U.S.A. in 1878

  • 12. Who invented Circulation of blood ?

    William Harvey of Britain in 1628

  • 13. Who invented Vaccine of Rabies ?

    Louis Pasteur of France in 1885

  • 14. Who invented Vitamin A ?

    Mc Collum and M.Davis of U.S.A. in 1913

  • 15. Who invented Vitamin B1 ?

    Minot & Murphy of U.S.A. in 1936

  • 16. Who invented Vitamin C ?

    Forelich Hoist of Norway in 1919.

  • 17. Who invented Vitamin D ?

    Vitamin D was invented by Mc Collum of U.S.A.

  • 18. Who invented Vitamin K ?

    Doisy Dam of U.S.A. in 1938.

  • 19. Who invented by Electric Lamp ?

    Thomas Alva Edison of U.S.A. in 1879

  • 20. Who invented CT scan ?

    Hounsfield by Britain in 1973.