Genius at work: Are you a true innovator?
Coin
0
pts
Fire
0
streak
Your Progress
- Location
You are here
Question 1 out of 20
0/20
Which of these is the first patented device used to record sound?
Image Credit: Bru-nO
Microphone
Telegraphone
Phonautograph
Ediphone
Don't miss out on these
hand-crafted quizzes!
How much do you know about the 20th century's most important events?
Take a walk on the wrong side of the law with this dangerous quiz.
From colors to symbols: Play our engaging flag quiz now!