Question

Q.12


Write who invented , when and from where He / She was !

• Ball point pen

• Cine Camera

• Helicopter

• Locomotive

• Microphone

• Telegraph Code

• Revolver

• Stethoscope

• Spinning frame

• Neon - lamp

• Lift

• Dynamite

• Dynamo

• X - ray

Answer 1

Hey there !!
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GREAT QUESTION ☺
Here's the answer to your question ⤵

• Ball point pen ➡ Invented by John J. Loud of U.S.A. in 1888.

• Cine Camera ➡ Invented by William Kennedy Laurie Dickson of Scott in 1891.

• Helicopter ➡ Invented by Paul Cornu in French on 1907.

• Locomotive ➡ Invented by George Stephenson of U.S.A. in 1814.

• Microphone ➡ Emile Berliner, a German-born American scientist invented microphone in 1876.

• Telegraph Code ➡ Invented by Samuel F.B. Morse of U.S.A. in 1830s.

• Revolver ➡ Invented by Samuel Colt of U.S.A. in 1836.

• Stethoscope ➡ Invented by Lannec of French in 1819.

• Spinning frame ➡ Invented by Richard Awkwright of United Kingdom in 1760s.

• Neon - lamp ➡ Invented by Georges Clande of French in 1910.

• Lift ➡ Invented by George Cayley of England.

• Dynamite ➡ Invented by Alfred Nobel of Sweden in 1867.

• Dynamo ➡ Invented by Hypolite Pixii of France in 1832.

• X - ray ➡ Invented by Wilhelm Conrad Roentgan of Germany in 1895.
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Hope my ans.'s satisfactory. (^-^)