Question

 Who invented the buzzer?

Answer 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 »
http://www.answerbag.com/q_view/1935323

Top Q&A For: Who invented the buzzer

Who invented the electric buzzer?

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 »
http://www.wikihow.com/Make-a-%22Buzzer-Finger%22-Without-a-Real-Buzzer

How to Cut Hair With a Buzzer?

Once you buzz your hair, you must trim it frequently to keep the close-cut shaping. Cutting hair with a buzzer, also called a clipper, is simple enough that a friend can do it for you at home. You ... Read More »
http://www.ehow.com/how_10036165_cut-hair-buzzer.html

How to Oil Your Hair Buzzer?

Hair buzzers, also known as clippers or trimmers, are tools made specifically for cutting and trimming hair. Hair buzzers are usually powered by electricity, but some can alternate between batterie... Read More »
http://www.ehow.com/how_10052008_oil-hair-buzzer.html


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