The ormolu clock was an ornate clock owned by the Doctor. According to one source, its proper name was a "Jibert Cathcode Troisième timepiece". (PROSE: Cat's Cradle: Time's Crucible) The Doctor kept the ormolu clock in the TARDIS console room, primarily during his first incarnation. (TV: An Unearthly Child, The Edge of Destruction, The Time Meddler, PROSE: Doctor Who in an Exciting Adventure with the Daleks, Doctor Who and the Crusaders, The Eleventh Tiger, The Chase) The ormolu clock was destroyed when Marnal's fusion reactor detonated inside the TARDIS. (PROSE: The Gallifrey Chronicles)