Grandfather clock

The Master's TARDIS disguised as a grandfather clock, with his own disfigured face appearing in place of the clock's own. (TV: The Deadly Assassin)

A grandfather clock was a large clock that was approximately the height of an average human male. Its size meant that it had to rest on the floor, rather than upon a mantle piece or bookshelf. Its larger size meant that it had a much louder, deeper chime than the typical mantelpiece clock.

At times, the Master's TARDIS took the shape of a grandfather clock, thanks to its functional chameleon circuit. (TV: The Deadly Assassin, The Keeper of Traken, AUDIO: And You Will Obey Me, The Two Masters; PROSE: The Eight Doctors)

John Quinn had a grandfather clock in his cottage at Wenley Moor. (TV: Doctor Who and the Silurians)

In the Edwardian house Edward Grove, the chimes of a grandfather clock could be heard every time the time loop started over again. (AUDIO: The Chimes of Midnight)

Bilis Manger hid an important part of the rift manipulator in a grandfather clock in his office. (TV: Captain Jack Harkness)

The Queen of Time intended to turn the Second Doctor into a grandfather clock at the end of her games. (AUDIO: The Queen of Time)