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Uploaded on Mar 9, 2011
Closed look at early Radar Klystrons Oscillators by Varian. The Klystron was Invented and developed by the brothers Russel and Sigurd Varian and William Hansen with $100 investment in 1937 from Stanford University. Varian was founded in 1948 see: http://en.wikipedia.org/wiki/Klystron Exhibit - Fry's Sunnyvale CA