Question

Who discovered the following
1) air conditioner
2) camera
3) microwave oven
4) elevator

Answer 1

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Elevator - Vertical Screw Railway" was installed in a few buildings in New York and Philadelphia.

The first elevator shaft was put in a building before Elisha Otis designed his safe steam powered elevator.

Microwave oven - The microwave was discovered in 1864 by James clerk Maxwell. Microwaves were first predicted by James Clerk Maxwell in 1864 by the use of his equations. 


camera - George Eastman

The use of photographic film was pioneered by George Eastman, who started manufacturing paper film in 1885 before switching to celluloid in 1888-1889.


air conditioner - Willis Carrier

In 1902the first modern electrical air conditioning unit was invented by Willis Carrier in Buffalo, New York




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Answer 2

HEY MATE HERE IS YOUR ANSWER:-

1. Air-conditioner :- Willis Carrier

2. Camera :- Joseph Nicephore Niepce

3. Microwave oven :- Percy Spencer

4. Elevator :- Elisha Otis


HOPE IT HELPS ☺️