REFLEX KLYSTRON VA22A VALVE, 1950's

Reflex Klystron VA22A used in Radar and communications.

Your comments:

• One of these appeared in the classic British TV series "Doctor Who" as a hand prop used by the 4th Doctor, Tom Baker. In the story, Genesis of the Daleks, this valve became a device known as an Etheric Beam Locator.
  .......... PurpleBlancmange, United Kingdom, 17th of January 2013
  
  

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