Doorbell Buttons And Chimes

ELECTRICITY, n. The power that causes all natural phenomena not known to be caused by something else.
Electricity seems destined to play a most important part in the arts and industries. The question of its economical application to some purposes is still unsettled, but experiment has already proved that it will propel a street car better than a gas jet and give more light than a horse.

- Ambrose Bierce