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  • Who invented Safety Pin ?

    Answer: Walter Hunt of U.S.A. in 1849

Similar Questions :

1. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

 

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented Television ?

Answer:

John Logie Baird

5. Who invented Calculus ?

Answer: Newton of Britain in 1670.

6. Who invented Hydrogen bomb ?

Answer:

Edward Teller

7. Who invented Radiocarbon ?

Answer:

Willard Libby

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