1. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

2. Who invented paper ?

Answer:

Cai Lun

3. Who invented Safety Pin ?

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

4. Who invented Television ?

Answer:

John Logie Baird

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

7. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644