Question

who invented:-

1 fountain pen
2 air condirioner
3 electric dynumo
4 electric fan
5 radio​

Answer 1

Answer:

1) Robert William Thomson

2) Willis Carrier

3) Michael Faraday

4) Schuyler Wheeler

5) William Dubilier

Answer 2

Answer:

1: petrache poenaru and Robert william Thomson

2:Willis carrier

3:Michael Faraday

4: Schuyler wheeler

5: Guglielmo Marconi , Reginald fessenden and William Dubilier