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.