Who invented the electric buzzer?

Answer yea dude

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When did electric buzzer made?

Who inveneted the electric buzzer?

Who invented the buzzer?

Joseph Henry invented the first door buzzer in 1831; it was made possible by electricity. Door buzzers were preceded by bells and knockers. Musical door chimes followed in the late 1920s and grew q... Read More »

How to Make a "Buzzer Finger" Without a Real Buzzer?

Hello, this tutorial will show you how to make the original quiz-show buzzer on your finger. This activity may sound hard. but really, it's not that hard at all! Its a cool thing to do when you wan... Read More »