RRB Essential – Important Inventions and Discoveries for Railway Exams

RRB Essential – 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

 

This post was last modified on December 27, 2019 3:57 pm