Object
Master’s Slide Projector (Thunderbolt Plan)
Active device operated by the Master in the prison governor’s office, used to project slides (e.g., maps of the Thunderbolt missile’s route) onto the projection screen. Contains the visual content for the Master’s hijacking plan and is later spotted by Jo, prompting the Doctor’s explanation of the threat. Physically distinct from the projection screen, which it illuminates.
4 appearances
Purpose
Projects slides to display missile maps and details, aiding the Master's persuasive presentation of his hijack plan
Significance
Transforms Mailer's doubt into alliance through visual proof of the audacious plot; later clues Doctor and Jo to the escalating missile threat, linking prison control to worldwide catastrophe
Appearances in the Narrative
When this object appears and how it's used