Object
Carstairs' Revolver (Processing Room)
Owned by Carstairs and previously wielded by Lieutenant Lücke; disassembled and reassembled by the sonic screwdriver during interrogation scenes in the prison.
6 appearances
Purpose
Fire at approaching guards to protect the group and enable escape
Significance
Carstairs' use forces abandonment of the Doctor's brainwashing machine sabotage, shifting the scene from rescue to retreat and exposing tensions between idealism and survival instincts.
Appearances in the Narrative
When this object appears and how it's used