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  • Who invented Vitamin A ?

    Answer: Mc Collum and M.Davis of U.S.A. in 1913

Similar Questions :

1. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

2. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

3. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

4. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

5. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

6. Who invented c language

Answer:

Dennis Ritchie

7. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

Read more from - Important Inventions
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