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Article Detail
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Who invented Steam Engine ?
Answer: Thomas Savery of Britain in 1698
1. Who invented Electron ?
Answer: Thomson. J of Britain in 1897
2. Who invented Aeroplane
Answer: Orville & Wilbur Wright in 1903
3. Who invented Safety Pin ?
Answer: Walter Hunt of U.S.A. in 1849
4. Who invented Automatic rifle ?
Answer: John Browning of U.S.A. in 1918.
5. Who invented Gramophone ?
Answer: Emile Berliner in 1887.
6. Who invented Computer ?
Answer: Charles Babbage
7. Who invented Optical Fibre ?
Answer: Indian-born American physicist Narinder Kapany
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