RRBÂ Essential –Â Important Inventions and Discoveries for Railway Exams:
Dear Readers, here we have given some important Inventions and Discoveries for the Railway Exams. Candidates those who are preparing for the competitive Examinations can use this material.
|
Invention
|
Year
|
Inventor
|
Country
|
|
Air Conditioning
|
1902
|
Carrier
|
USA
|
|
Atomic bomb
|
1945
|
J Robert Oppenheimer
|
USA
|
|
Ball – point pen
|
1888
|
John J Loud
|
USA
|
|
Barometer
|
1644
|
Evangelists Torricelli
|
Italy
|
|
Bicycle
|
1839-40
|
Kirkpatrick Macmillan
|
Britain
|
|
Car (Steam)
|
1769
|
Nicolas Cugnot
|
France
|
|
Car (Petrol)
|
1888
|
Karl Benz
|
Germany
|
|
Caruretor
|
1876
|
Gottlieb Daimler
|
Germany
|
|
Cassette (Videotape)
|
1969
|
Sony
|
Japan
|
|
Cinema
|
1895
|
Nicolas& Jean Lumiere
|
France
|
|
Computer (Laptop)
|
1972
|
RCA
|
USA
|
|
Compact disc
|
1987
|
Sinclair
|
Britain
|
|
Diesel engine
|
1895
|
Rudolf Diesel
|
Germany
|
|
Dynamo
|
1832
|
Hypolite Pixii
|
France
|
Subscribe
0 Comments
