1. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

2. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

3. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

4. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

5. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

6. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

7. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698