Object
Waterfield's Handkerchief
Fabric item used by Waterfield as a gas mask to safely enter the chamber and interact with the sealed box. Its protective function is critical to the abduction plot.
2 appearances
Purpose
Shield wearer from inhaled gas
Significance
Enables Waterfield to execute his Dalek-ordered betrayal without succumbing to the trap, confirming his collaboration and advancing the Daleks' human factor experiment by removing the Doctor and Jamie from Earth.
Appearances in the Narrative
When this object appears and how it's used