Bell

A bell was a device used to produce sound. According to the Thirteenth Doctor, humans used bells for "all sorts of things", including celebration, the passage of time, and as a warning. (COMIC: Hidden Human History) Types of bells included Cloister Bells, church bells and school bells.

A ghanta was a type of Tibetan bell. (TV: The Abominable Snowmen)

On Mondas, the Fifth Doctor rang church bells to alert the people to the grave robbing that was going on. (AUDIO: Spare Parts)

The crew of the Valiant were lured to a door which led to Time's End by the sound of a train bell. (AUDIO: The Nowhere Place)

The Eighth Doctor was once locked in a room full of ringing bells on Caerdroia. (AUDIO: Caerdroia) A sign reading "POLICE" and "Ring Bell" was attached to the front of a door of a police station when Jackie Tyler visited. (TV: Rose)