A Mark III Image Inducer was used by P'fer'd to disguise his space ship as a solicitor's office and himself as a human to blend in with Victorian London. It was more effective on societies with a low-level science basis, so the Eighth Doctor, Stacy Townsend and Ssard were able to see the spaceship as it was. (COMIC: Perceptions)
Community content is available under CC-BY-SA unless otherwise noted.