Grantanimus Five
From Tardis Wiki, the free Doctor Who reference
A Time-Space Visualiser was taken by the Morok Empire following the capitulation of Grantanimus Five. (PROSE: "A Parting Gift") The First Doctor eventually acquired the Visualiser after he helped the Xerons defeat the Moroks on Xeros, where the Visualiser had been taken. (TV: The Space Museum)