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Object

Bettan's Plunger Handle Detonator

A reinforced metal lever with a rubberized grip, its surface blackened from prior use. Bettan grips it with both hands as she triggers the explosives, the mechanism emitting a low hum as the countdown begins. The device's cord stretches taut toward the buried charges, its brass components gleaming under the dim bunker lights.
3 appearances

Purpose

To trigger controlled demolition charges for entombing enemy positions

Significance

Marks the Thal contingent's decisive action to eliminate the Dalek threat by collapsing Davros' bunker, showcasing Bettan's leadership in a morally fraught decision that forces the Doctor to confront the cost of survival.

Appearances in the Narrative

When this object appears and how it's used

3 moments
S10E22 · The Green Death Part 2
Elgin confronts Fell over Stevens cover-up

The thermic lances are cited by Fell as the replacement for the missing oxy-acetylene cutting torch. The absence of these lances, highlighted by Elgin's aggressive questioning, reinforces suspicions about Stevens' obstruction and the mine's hazardous conditions.

Before: Supposedly en route to replace withdrawn equipment.
After: Their arrival remains unverified, deepening the mystery and obstruction.
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S10E24 · The Green Death Part 4
Brigadier orders mine sealed despite protests

The detonation handle is grasped firmly by Benton, who raises it as part of the pre-explosion sequence orchestrated by the Brigadier’s countdown. Jo’s frantic attempt to seize the handle interrupts Benton’s immediate control, highlighting the device’s pivotal role in the irreversible chain of destruction.

Before: Secured and connected to the primed explosives beneath the colliery, its countdown mechanism silently tracking the final seconds.
After: Activated and held aloft by Benton, its trigger mechanism primed and counting down toward zero.
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S12E16 · Genesis of the Daleks Part 6
Doctor escapes as Daleks are buried alive

Bettan grips the reinforced plunger handle with both hands and lowers it at the precise moment the doors close behind the Doctor, initiating the explosive countdown. The device’s blackened metal glints under the flickering corridor lights as it activates the buried plastique charges.

Before: Held upright by Bettan, connected by a taut cord to buried explosives near the bunker entrance, its rubberized grip slightly worn from prior use.
After: Lowered and inactive after detonation, the plunger’s mechanism now spent, though still attached to the detonation cord which may be severed by the explosion or structural collapse.
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