Reacting vibrator

From Tardis Wiki, the free Doctor Who reference
Revision as of 18:24, 3 January 2014 by Shambala108 (talk | contribs) (cleaning up)

A reacting vibrator was a piece of equipment used by the First Doctor to make readings to help identify the planet he may have been on. He used it on an Earth-like planet. (TV: The Savages)