So people were able to hear though out the house.
The sound of a doorbell comes from a speaker that is baught with the doorbell.
to break the tension
Most people say it sounds like ding dong
its not programed to be unelectrical ? thats why you have to make sure after they put the door and doorbell in ?
no it is not . a temporary magnet is used instead. If you use a permanent magnet, the doorbell will keep on ringing
Doug Hougen invented the electric doorbell in 1930.
The electric doorbell was invented by Joseph Henry in 1831
The doorbell was invented in the United States by Joseph Henry in 1831.
Doorbell was invented by Joseph Henry in 1831.
The doorbell was invented by Joseph Henry in 1831. He was 34 years old and was interested in electromagnets at the time.
The doorbell was invented in the United States by Joseph Henry in 1831.
The doorbell was said to be one of Thomas Edison's inventions. It was invented in 1831
The electric doorbell was invented in 1831.
the first electrical doorbell was invented by Joseph Henry in 1831.
A doorbell is called a doorbell because it is a bell for your door.
doorbell
A doorbell A telephone