Important Inventions

1. Who invented by Submarine ?

David Bushnell of U.S.A. in 1776.

2. Who invented Super Computer ?

J.H. Van Tassel of U.S.A. in 1976.

3. Who invented Telescope ?

Hans Lippershey of Netherlands in 1608.

4. Who invented Neurology ?

Franz Joseph Gall of Germany.

5. Who invented Open Heart Surgery ?

Walton Lilehel of U.S.A. in 1953.

6. Who invented Penicillin ?

Alexander Fleming of Britain in 1928.

7. Who invented Chloroform as anaesthetic ?

James Simpson of Britain in 1847.

8. Who invented Optical Fibre ?

Dr. wallace, H. Carothers of U.S.A. in 1937.

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