The seismic detector was a piece of Dalek technology which let them locate people, (TV: Mission to the Unknown) machines such as the Doctor's TARDIS (TV: The Chase) or materials such as the taranium. (TV: The Daleks' Master Plan)
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.