Wartime tale of a group of British scientists efforts to develop the first radar system. They did it just in time for it to be used in the Battle of Britain against the might of the Nazi Luftwaffe. Without it the little island could well have been overrun.
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CAST
Ralph Richardson
Prof. Heatherville
Raymond Huntley
Prof. Laxton-Jones
John Laurie
Dr. McVitie
Ernest Jay
Dr. Dainty
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